[INFO] cloning repository https://github.com/yu-i9/mini_python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yu-i9/mini_python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d62b9040f8427057a20d18340a27bdf2dfc8c22e
[INFO] testing yu-i9/mini_python against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yu-i9/mini_python on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yu-i9/mini_python
[INFO] finished tweaking git repo https://github.com/yu-i9/mini_python
[INFO] tweaked toml for git repo https://github.com/yu-i9/mini_python written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yu-i9/mini_python already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500c8838ddc5c833938bfaf68cd845f77624ccb806c31908447a9a3e0daa6348
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "500c8838ddc5c833938bfaf68cd845f77624ccb806c31908447a9a3e0daa6348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500c8838ddc5c833938bfaf68cd845f77624ccb806c31908447a9a3e0daa6348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500c8838ddc5c833938bfaf68cd845f77624ccb806c31908447a9a3e0daa6348", kill_on_drop: false }`
[INFO] [stdout] 500c8838ddc5c833938bfaf68cd845f77624ccb806c31908447a9a3e0daa6348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fda6775f1eada4b3cfe5ed5a2fed93a1109ad713f0d3535f0f116ad61e72fe6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fda6775f1eada4b3cfe5ed5a2fed93a1109ad713f0d3535f0f116ad61e72fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_python v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         '0' ... '9' => true,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     try!(lexer.calc_indent(indent_level));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string())));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/core/lexer.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opcode::*`
[INFO] [stdout]  --> src/core/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opcode::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ch` is never read
[INFO] [stdout]    --> src/core/lexer.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut ch = '0';
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]    --> src/core/object/typeobj.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mro` is never read
[INFO] [stdout]    --> src/core/object/typeobj.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/core/object/typeobj.rs:556:34
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/eval.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]    --> src/core/object/excobj.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     args: Rc<PyObject>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/core/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_find_map)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/core/utils.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!(err.to_string()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!("{}", err.to_string()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => std::panic::panic_any(err.to_string()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/env.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:422:21
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             eval(&code, env);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "5fda6775f1eada4b3cfe5ed5a2fed93a1109ad713f0d3535f0f116ad61e72fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fda6775f1eada4b3cfe5ed5a2fed93a1109ad713f0d3535f0f116ad61e72fe6", kill_on_drop: false }`
[INFO] [stdout] 5fda6775f1eada4b3cfe5ed5a2fed93a1109ad713f0d3535f0f116ad61e72fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afe5b689833abedfe0d6f8bede677c9ead8824d465aef54f3fdcb0faceb6503b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afe5b689833abedfe0d6f8bede677c9ead8824d465aef54f3fdcb0faceb6503b", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         '0' ... '9' => true,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     try!(lexer.calc_indent(indent_level));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string())));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/core/lexer.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini_python v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `opcode::*`
[INFO] [stdout]  --> src/core/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opcode::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ch` is never read
[INFO] [stdout]    --> src/core/lexer.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut ch = '0';
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]    --> src/core/object/typeobj.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mro` is never read
[INFO] [stdout]    --> src/core/object/typeobj.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/core/object/typeobj.rs:556:34
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/eval.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]    --> src/core/object/excobj.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     args: Rc<PyObject>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/core/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_find_map)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/core/utils.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!(err.to_string()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!("{}", err.to_string()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => std::panic::panic_any(err.to_string()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/env.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:422:21
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             eval(&code, env);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         '0' ... '9' => true,
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/core/lexer.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stdout]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     try!(lexer.calc_indent(indent_level));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/lexer.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string())));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/core/lexer.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |             '0' ... '9' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opcode::*`
[INFO] [stdout]  --> src/core/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opcode::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ch` is never read
[INFO] [stdout]    --> src/core/lexer.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let mut ch = '0';
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]    --> src/core/object/typeobj.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mro` is never read
[INFO] [stdout]    --> src/core/object/typeobj.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/core/object/typeobj.rs:556:34
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/eval.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]    --> src/core/object/excobj.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     args: Rc<PyObject>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/core/mod.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_find_map)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/core/utils.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!(err.to_string()),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => panic!("{}", err.to_string()),
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Err(err) => std::panic::panic_any(err.to_string()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/env.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/core/eval.rs:422:21
[INFO] [stdout]     |
[INFO] [stdout] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/builtinmodule.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/core/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             eval(&code, env);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "afe5b689833abedfe0d6f8bede677c9ead8824d465aef54f3fdcb0faceb6503b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe5b689833abedfe0d6f8bede677c9ead8824d465aef54f3fdcb0faceb6503b", kill_on_drop: false }`
[INFO] [stdout] afe5b689833abedfe0d6f8bede677c9ead8824d465aef54f3fdcb0faceb6503b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e549fe86c30257812d0f426663d20b86877edaa3e209b09025470929180a827d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e549fe86c30257812d0f426663d20b86877edaa3e209b09025470929180a827d", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         '0' ... '9' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/lexer.rs:179:21
[INFO] [stderr]     |
[INFO] [stderr] 179 |                     try!(lexer.calc_indent(indent_level));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/lexer.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 |                 try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/lexer.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opcode::*`
[INFO] [stderr]  --> src/core/utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use opcode::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ch` is never read
[INFO] [stderr]    --> src/core/lexer.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut ch = '0';
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/core/object/typeobj.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mro` is never read
[INFO] [stderr]    --> src/core/object/typeobj.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/core/object/typeobj.rs:556:34
[INFO] [stderr]     |
[INFO] [stderr] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/eval.rs:275:25
[INFO] [stderr]     |
[INFO] [stderr] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]    --> src/core/object/excobj.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     args: Rc<PyObject>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/core/mod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_find_map)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/core/utils.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => panic!(err.to_string()),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => panic!("{}", err.to_string()),
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => std::panic::panic_any(err.to_string()),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/env.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             eval(&code, env);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         '0' ... '9' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/lexer.rs:179:21
[INFO] [stderr]     |
[INFO] [stderr] 179 |                     try!(lexer.calc_indent(indent_level));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/lexer.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 |                 try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string())));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/lexer.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opcode::*`
[INFO] [stderr]  --> src/core/utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use opcode::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ch` is never read
[INFO] [stderr]    --> src/core/lexer.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut ch = '0';
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/core/object/typeobj.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mro` is never read
[INFO] [stderr]    --> src/core/object/typeobj.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/core/object/typeobj.rs:556:34
[INFO] [stderr]     |
[INFO] [stderr] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/eval.rs:275:25
[INFO] [stderr]     |
[INFO] [stderr] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]    --> src/core/object/excobj.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     args: Rc<PyObject>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/core/mod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_find_map)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/core/utils.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => panic!(err.to_string()),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => panic!("{}", err.to_string()),
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Err(err) => std::panic::panic_any(err.to_string()),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/env.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/core/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             eval(&code, env);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core-6b1e28e108eaa326)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minpy-3900cf97de28aaf1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-33c35ba154630679)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test blank_lines ... ok
[INFO] [stdout] test bool_arith ... ok
[INFO] [stdout] test catch_type_error ... ok
[INFO] [stdout] test class_init ... ok
[INFO] [stdout] test builtin_len ... ok
[INFO] [stdout] test assert_false ... ok
[INFO] [stdout] test assign_attr ... ok
[INFO] [stdout] test class_method ... ok
[INFO] [stdout] test class_instance_var ... ok
[INFO] [stdout] test assert_true ... ok
[INFO] [stdout] test def ... ok
[INFO] [stdout] test class_update ... ok
[INFO] [stdout] test def_lexical_scope ... ok
[INFO] [stdout] test consecutive_call ... ok
[INFO] [stdout] test class_var ... ok
[INFO] [stdout] test def_recursive ... ok
[INFO] [stdout] test inherit_meta_add ... ok
[INFO] [stdout] test list_basic ... ok
[INFO] [stdout] test dict_basic ... ok
[INFO] [stdout] test list_append ... ok
[INFO] [stdout] test for_stmt ... ok
[INFO] [stdout] test try_catch_basic ... ok
[INFO] [stdout] test if_false ... ok
[INFO] [stdout] test meta_add ... ok
[INFO] [stdout] test def_internal ... ok
[INFO] [stdout] test def_argument ... ok
[INFO] [stdout] test parse_string ... ok
[INFO] [stdout] test string_add ... ok
[INFO] [stdout] test def_ho ... ok
[INFO] [stdout] test if_true ... ok
[INFO] [stdout] test inheritance_simple ... ok
[INFO] [stdout] test try_catch_loop ... ok
[INFO] [stdout] test while_normal ... ok
[INFO] [stderr]    Doc-tests core
[INFO] [stdout] test type_call ... ok
[INFO] [stdout] test while_break ... ok
[INFO] [stdout] test while_continue ... ok
[INFO] [stdout] test try_catch_fun ... ok
[INFO] [stdout] test meta_add_lazy ... ok
[INFO] [stdout] test inheritance_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/core/lexer.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         '0' ... '9' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/core/lexer.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/src/core/lexer.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/core/lexer.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e549fe86c30257812d0f426663d20b86877edaa3e209b09025470929180a827d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e549fe86c30257812d0f426663d20b86877edaa3e209b09025470929180a827d", kill_on_drop: false }`
[INFO] [stdout] e549fe86c30257812d0f426663d20b86877edaa3e209b09025470929180a827d