[INFO] cloning repository https://github.com/notronaldmcdonald/stupid-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notronaldmcdonald/stupid-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eac5398187206946d153d7aa1e090f1db0dcaba6
[INFO] testing notronaldmcdonald/stupid-lang against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notronaldmcdonald/stupid-lang on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notronaldmcdonald/stupid-lang
[INFO] finished tweaking git repo https://github.com/notronaldmcdonald/stupid-lang
[INFO] tweaked toml for git repo https://github.com/notronaldmcdonald/stupid-lang written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/notronaldmcdonald/stupid-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3860a1877d7eed0c552fc2cf4839c618a37f30ea0174a99a967816ede9f3da79
[INFO] running `Command { std: "docker" "start" "-a" "3860a1877d7eed0c552fc2cf4839c618a37f30ea0174a99a967816ede9f3da79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3860a1877d7eed0c552fc2cf4839c618a37f30ea0174a99a967816ede9f3da79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3860a1877d7eed0c552fc2cf4839c618a37f30ea0174a99a967816ede9f3da79", kill_on_drop: false }`
[INFO] [stdout] 3860a1877d7eed0c552fc2cf4839c618a37f30ea0174a99a967816ede9f3da79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76d3e7c2b11d7b40d9963dc109f14058bddf4f2f6bfbd3d7fda86276b3a0a13a
[INFO] running `Command { std: "docker" "start" "-a" "76d3e7c2b11d7b40d9963dc109f14058bddf4f2f6bfbd3d7fda86276b3a0a13a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stupid-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.16s
[INFO] running `Command { std: "docker" "inspect" "76d3e7c2b11d7b40d9963dc109f14058bddf4f2f6bfbd3d7fda86276b3a0a13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d3e7c2b11d7b40d9963dc109f14058bddf4f2f6bfbd3d7fda86276b3a0a13a", kill_on_drop: false }`
[INFO] [stdout] 76d3e7c2b11d7b40d9963dc109f14058bddf4f2f6bfbd3d7fda86276b3a0a13a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b447d86046a4189d71b15f3b16ce42ce198f062bab6a9ddd45650cc4a3da12a2
[INFO] running `Command { std: "docker" "start" "-a" "b447d86046a4189d71b15f3b16ce42ce198f062bab6a9ddd45650cc4a3da12a2", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stupid-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parser::keywords::Token`
[INFO] [stdout]  --> src/lang/math.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var0`
[INFO] [stdout]   --> src/lang/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lang/parser/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b447d86046a4189d71b15f3b16ce42ce198f062bab6a9ddd45650cc4a3da12a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b447d86046a4189d71b15f3b16ce42ce198f062bab6a9ddd45650cc4a3da12a2", kill_on_drop: false }`
[INFO] [stdout] b447d86046a4189d71b15f3b16ce42ce198f062bab6a9ddd45650cc4a3da12a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b19f9038a3401380d0bc1270cc4423aa887febcbfba5385c26b17a1efde84bb2
[INFO] running `Command { std: "docker" "start" "-a" "b19f9038a3401380d0bc1270cc4423aa887febcbfba5385c26b17a1efde84bb2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `parser::keywords::Token`
[INFO] [stderr]  --> src/lang/math.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::lang::{error::*, ioutil::*, parser::keywords::Token};
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var0`
[INFO] [stderr]   --> src/lang/parser/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let var0: VarBind = VarBind::bindvar(&second_word, value);
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_var0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fname`
[INFO] [stderr]   --> src/lang/parser/mod.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |             let fname = reader::split_from_whitespace(&fname, 1);
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Token {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/lang/parser/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]   --> src/lang/parser/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     val: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stupid-lang` (lib) generated 6 warnings
[INFO] [stderr] warning: `stupid-lang` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_lang-1ce6feb6aee28330)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_lang-1b6f3e5f3085319f)
[INFO] [stdout] test tests::char_slicer ... ok
[INFO] [stderr]    Doc-tests stupid-lang
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 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" "b19f9038a3401380d0bc1270cc4423aa887febcbfba5385c26b17a1efde84bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19f9038a3401380d0bc1270cc4423aa887febcbfba5385c26b17a1efde84bb2", kill_on_drop: false }`
[INFO] [stdout] b19f9038a3401380d0bc1270cc4423aa887febcbfba5385c26b17a1efde84bb2