[INFO] cloning repository https://github.com/exceptional-lang/exceptional
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exceptional-lang/exceptional" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexceptional-lang%2Fexceptional", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexceptional-lang%2Fexceptional'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b6645854a847a55dd2332e4d5dd9c2ed31ce98
[INFO] testing exceptional-lang/exceptional against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexceptional-lang%2Fexceptional" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exceptional-lang/exceptional on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exceptional-lang/exceptional
[INFO] finished tweaking git repo https://github.com/exceptional-lang/exceptional
[INFO] tweaked toml for git repo https://github.com/exceptional-lang/exceptional written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/exceptional-lang/exceptional already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.1.38
[INFO] [stderr]   Downloaded peg v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.1.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc03e3f2817ff26b55cb019d09f9a3240538be05c9589c9b15db414e71793b8
[INFO] running `Command { std: "docker" "start" "-a" "5fc03e3f2817ff26b55cb019d09f9a3240538be05c9589c9b15db414e71793b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc03e3f2817ff26b55cb019d09f9a3240538be05c9589c9b15db414e71793b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc03e3f2817ff26b55cb019d09f9a3240538be05c9589c9b15db414e71793b8", kill_on_drop: false }`
[INFO] [stdout] 5fc03e3f2817ff26b55cb019d09f9a3240538be05c9589c9b15db414e71793b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b07102cb8d0cccf9f24625334699986116ad415d9d63a185ba83d47d2427f27
[INFO] running `Command { std: "docker" "start" "-a" "6b07102cb8d0cccf9f24625334699986116ad415d9d63a185ba83d47d2427f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling peg v0.4.0
[INFO] [stderr]    Compiling fern v0.4.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.38
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!
[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]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if self.expected.len() == 0 { try! (write! (fmt, "EOF")) ; } else if
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:29:51
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut iter = self.expected.iter() ; try!
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |             { try! (write! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:574
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos ...
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:588
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z]" )...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:973
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:987
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:1001
[INFO] [stdout]     |
[INFO] [stdout] 147 | ... match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:164:454
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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: `Shutdown`
[INFO] [stdout]   --> src/native.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::net::{Shutdown, TcpListener, TcpStream};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/native.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     (Value::Map(Rc::new(RefCell::new(map))))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:185:37
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 Value::CharString(e.description().to_owned()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 Value::CharString(e.description().to_owned()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blank`
[INFO] [stdout]   --> src/closure.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn blank() -> Closure {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]   --> src/native.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     File(File),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/vm.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn empty() -> Vm {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/vm.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn pop(&mut self) -> Option<Value> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `local_assign`
[INFO] [stdout]    --> src/vm.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn local_assign(&mut self, name: &String, value: Value) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:119:42
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => panic!(m),
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => panic!("{}", m),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => std::panic::panic_any(m),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "6b07102cb8d0cccf9f24625334699986116ad415d9d63a185ba83d47d2427f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b07102cb8d0cccf9f24625334699986116ad415d9d63a185ba83d47d2427f27", kill_on_drop: false }`
[INFO] [stdout] 6b07102cb8d0cccf9f24625334699986116ad415d9d63a185ba83d47d2427f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c498da82a8459895df7969245b0918e2d32f8f6ad7587e8f98be52c03d6f8758
[INFO] running `Command { std: "docker" "start" "-a" "c498da82a8459895df7969245b0918e2d32f8f6ad7587e8f98be52c03d6f8758", kill_on_drop: false }`
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!
[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]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if self.expected.len() == 0 { try! (write! (fmt, "EOF")) ; } else if
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             try!
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:29:51
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut iter = self.expected.iter() ; try!
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |             { try! (write! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:574
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos ...
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:588
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z]" )...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:973
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:987
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:1001
[INFO] [stdout]     |
[INFO] [stdout] 147 | ... match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:164:454
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/native.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     (Value::Map(Rc::new(RefCell::new(map))))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:102:32
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:185:37
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 Value::CharString(e.description().to_owned()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/native.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 Value::CharString(e.description().to_owned()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]   --> src/native.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     File(File),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:119:42
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => panic!(m),
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => panic!("{}", m),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Err(m) => std::panic::panic_any(m),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "c498da82a8459895df7969245b0918e2d32f8f6ad7587e8f98be52c03d6f8758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c498da82a8459895df7969245b0918e2d32f8f6ad7587e8f98be52c03d6f8758", kill_on_drop: false }`
[INFO] [stdout] c498da82a8459895df7969245b0918e2d32f8f6ad7587e8f98be52c03d6f8758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d890bba4067a3439e61348141d791b86d58a255279b874bdc73b66ce23622b4
[INFO] running `Command { std: "docker" "start" "-a" "0d890bba4067a3439e61348141d791b86d58a255279b874bdc73b66ce23622b4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!
[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]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:20:39
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if self.expected.len() == 0 { try! (write! (fmt, "EOF")) ; } else if
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             try!
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:29:51
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let mut iter = self.expected.iter() ; try!
[INFO] [stderr]    |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 |             { try! (write! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:574
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos ...
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:588
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z]" )...
[INFO] [stderr]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:973
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . m...
[INFO] [stderr]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:987
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ...
[INFO] [stderr]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:147:1001
[INFO] [stderr]     |
[INFO] [stderr] 147 | ... match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA...
[INFO] [stderr]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/target/debug/build/exceptional-094cf223a28a7c85/out/exceptional-grammar.rs:164:454
[INFO] [stderr]     |
[INFO] [stderr] 164 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stderr]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/native.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (Value::Map(Rc::new(RefCell::new(map))))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/native.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/native.rs:132:32
[INFO] [stderr]     |
[INFO] [stderr] 132 |         Err(m) => return Err(m.description().to_owned()),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/native.rs:185:37
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 Value::CharString(e.description().to_owned()),
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/native.rs:217:37
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 Value::CharString(e.description().to_owned()),
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]   --> src/native.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     File(File),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/vm.rs:119:42
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         Err(m) => panic!(m),
[INFO] [stderr]     |                                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         Err(m) => panic!("{}", m),
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         Err(m) => std::panic::panic_any(m),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `exceptional` (bin "exceptional" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exceptional-fb0b0130e1d91993)
[INFO] [stdout] 
[INFO] [stdout] running 82 tests
[INFO] [stdout] test compiler::test::compiles_comparisons ... ok
[INFO] [stdout] test binding_map::test::new ... ok
[INFO] [stdout] test binding_map::test::has_binding ... ok
[INFO] [stdout] test compiler::test::compiles_identifier_expressions ... ok
[INFO] [stdout] test binding_map::test::delegates_fetch ... ok
[INFO] [stdout] test binding_map::test::delegates_assign ... ok
[INFO] [stdout] test binding_map::test::local_assign ... ok
[INFO] [stdout] test compiler::test::compiles_arithmetics ... ok
[INFO] [stdout] test compiler::test::compiles_binop_expressions ... ok
[INFO] [stdout] test compiler::test::compiles_import_expressions ... ok
[INFO] [stdout] test compiler::test::compiles_index_access_expressions ... ok
[INFO] [stdout] test compiler::test::compiles_literal_expressions ... ok
[INFO] [stdout] test exception_handler::test::matches_bools ... ok
[INFO] [stdout] test exception_handler::test::matches_identifier ... ok
[INFO] [stdout] test exception_handler::test::matches_maps_with_multiple_bindings_of_equal_values ... ok
[INFO] [stdout] test exception_handler::test::matches_numbers ... ok
[INFO] [stdout] test exception_handler::test::matches_recursive_maps ... ok
[INFO] [stdout] test exception_handler::test::matches_simple_map ... ok
[INFO] [stdout] test grammar::test_expressions::parses_simple_functions ... ok
[INFO] [stdout] test grammar::test_expressions::parses_math ... ok
[INFO] [stdout] test native::test::find_lib_returns_file ... ok
[INFO] [stdout] test native::test::find_lib_returns_io ... ok
[INFO] [stdout] test native::test::find_lib_returns_none_when_not_found ... ok
[INFO] [stdout] test native::test::find_lib_returns_socket ... ok
[INFO] [stdout] test binding_map::test::fetch ... ok
[INFO] [stdout] test grammar::test_expressions::parses_simple_literal_expressions ... ok
[INFO] [stdout] test ast::test::string_matcher_eq ... ok
[INFO] [stdout] test closure::test::enclose_assigns_new_bidings ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_string_patterns ... ok
[INFO] [stdout] test native::test::native_io_read_all_reads_from_a_file_descriptor_and_returns_a_string ... ok
[INFO] [stdout] test instructions::test::call_native_function ... ok
[INFO] [stdout] test instructions::test::compare_native_functions ... ok
[INFO] [stdout] test grammar::test_expressions::prases_functions_with_bodies ... ok
[INFO] [stdout] test grammar::test_literals::parses_booleans ... ok
[INFO] [stdout] test grammar::test_literals::parses_maps ... ok
[INFO] [stdout] test grammar::test_literals::parses_number ... ok
[INFO] [stdout] test grammar::test_literals::parses_strings ... ok
[INFO] [stdout] test grammar::test_statements::parses_assigns ... ok
[INFO] [stdout] test grammar::test_statements::parses_calls ... ok
[INFO] [stdout] test grammar::test_statements::parses_calls_with_expressive_args ... ok
[INFO] [stdout] test grammar::test_statements::parses_calls_with_simple_args ... ok
[INFO] [stdout] test grammar::test_statements::parses_map_assign ... ok
[INFO] [stdout] test grammar::test_statements::parses_raise_statements ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_statements ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_bool_patterns ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_ident_patterns ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_map_patterns ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_number_patterns ... ok
[INFO] [stdout] test grammar::test_statements::parses_rescue_with_string_matching_patterns ... ok
[INFO] [stdout] test exception_handler::test::matches_strings ... ok
[INFO] [stdout] test grammar::test_expressions::parses_access ... ok
[INFO] [stdout] test grammar::test_expressions::parses_comparison_expressions ... ok
[INFO] [stdout] test grammar::test_expressions::parses_functions_with_args ... ok
[INFO] [stdout] test grammar::test_expressions::parses_identifiers ... ok
[INFO] [stdout] test grammar::test_expressions::parses_import ... ok
[INFO] [stdout] test native::test::native_tcp_connect_opens_a_tcp_stream ... ok
[INFO] [stdout] test native::test::native_tcp_accept_calls_a_function_with_the_socket ... ok
[INFO] [stdout] test native::test::native_io_write_writes_to_a_file_descriptor_and_raises ... ok
[INFO] [stdout] test native::test::read_file_contents_returns_result ... ok
[INFO] [stdout] test native::test::read_file_pushes_a_value_and_returns_a_raise_instruction ... ok
[INFO] [stdout] test native::test::read_file_does_not_exist ... ok
[INFO] [stdout] test native::test::native_tcp_listen_opens_a_tcp_listener ... ok
[INFO] [stdout] test native::test::read_file_contents_returns_error ... ok
[INFO] [stdout] test native::test::read_file_uses_the_file_name_argument ... ok
[INFO] [stdout] test value::test::add ... ok
[INFO] [stdout] test value::test::gt_and_lt ... ok
[INFO] [stdout] test value::test::eq ... ok
[INFO] [stdout] test vm::test::function_call ... ok
[INFO] [stdout] test vm::test::function_call_with_args ... ok
[INFO] [stdout] test value::test::mul ... ok
[INFO] [stdout] test value::test::sub ... ok
[INFO] [stdout] test vm::test::calling_non_function - should panic ... ok
[INFO] [stdout] test native::test::write_file_writes_the_content ... ok
[INFO] [stdout] test vm::test::rescue_map ... ok
[INFO] [stdout] test vm::test::function_with_wrong_arg_count - should panic ... ok
[INFO] [stdout] test value::test::div ... ok
[INFO] [stdout] test vm::test::run_simple ... ok
[INFO] [stdout] test vm::test::basic_rescue ... ok
[INFO] [stdout] test exception_handler::test::matches_string_match ... ok
[INFO] [stdout] test vm::test::import_file ... FAILED
[INFO] [stdout] test vm::test::fibonacci ... ok
[INFO] [stdout] test vm::test::maps ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- vm::test::import_file stdout ----
[INFO] [stdout] thread 'vm::test::import_file' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/vm.rs:536:56
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b0c6bf04a0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55b0c6bf04a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b0c6bf04a0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55b0c6bf04a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55b0c6c13dbc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55b0c6beb865 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55b0c6bf261b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55b0c6bf261b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55b0c6bf261b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55b0c6bf212c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55b0c6bf2ce4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55b0c6bf27c7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55b0c6bf097c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55b0c6bf2729 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55b0c69a7581 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55b0c69a7673 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x55b0c69eeb8e - core::result::Result<T,E>::unwrap::hc0823d12937fe6de
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x55b0c6a6e06e - exceptional::vm::test::import_file::h58283b8c0bf098fa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm.rs:536:26
[INFO] [stdout]   18:     0x55b0c6a6e02a - exceptional::vm::test::import_file::{{closure}}::h23b44caf74e91a46
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm.rs:535:5
[INFO] [stdout]   19:     0x55b0c69e238e - core::ops::function::FnOnce::call_once::he052915dc1f60e33
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55b0c6aa9803 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55b0c6aa9803 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55b0c6aa82b8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55b0c6aa82b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55b0c6aa82b8 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55b0c6aa82b8 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55b0c6aa82b8 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55b0c6aa82b8 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55b0c6aa82b8 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55b0c6a76a4d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55b0c6a76a4d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55b0c6a7b218 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55b0c6a7b218 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55b0c6a7b218 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55b0c6a7b218 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55b0c6a7b218 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55b0c6a7b218 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55b0c6a7b218 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55b0c6bf8207 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55b0c6bf8207 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55b0c6bf8207 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7fb0ccd2c609 - start_thread
[INFO] [stdout]   42:     0x7fb0ccafe293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     vm::test::import_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 81 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin exceptional'
[INFO] running `Command { std: "docker" "inspect" "0d890bba4067a3439e61348141d791b86d58a255279b874bdc73b66ce23622b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d890bba4067a3439e61348141d791b86d58a255279b874bdc73b66ce23622b4", kill_on_drop: false }`
[INFO] [stdout] 0d890bba4067a3439e61348141d791b86d58a255279b874bdc73b66ce23622b4
