[INFO] cloning repository https://github.com/Mainzu/mini-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mainzu/mini-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Fmini-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Fmini-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fcb9f8d8f9c5151c53961323155143865d8679d
[INFO] checking Mainzu/mini-interpreter/3fcb9f8d8f9c5151c53961323155143865d8679d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Fmini-interpreter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mainzu/mini-interpreter on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mainzu/mini-interpreter
[INFO] finished tweaking git repo https://github.com/Mainzu/mini-interpreter
[INFO] tweaked toml for git repo https://github.com/Mainzu/mini-interpreter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mainzu/mini-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5b1a12d0ef6bc5ce930dbe03dd9203dcad1644a37ff951ac38d9ea35611f31
[INFO] running `Command { std: "docker" "start" "-a" "0a5b1a12d0ef6bc5ce930dbe03dd9203dcad1644a37ff951ac38d9ea35611f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5b1a12d0ef6bc5ce930dbe03dd9203dcad1644a37ff951ac38d9ea35611f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5b1a12d0ef6bc5ce930dbe03dd9203dcad1644a37ff951ac38d9ea35611f31", kill_on_drop: false }`
[INFO] [stdout] 0a5b1a12d0ef6bc5ce930dbe03dd9203dcad1644a37ff951ac38d9ea35611f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64bdb411892ff46bbe4e36503d6373503b1bd7b9c150f1397d90d7158a81fba1
[INFO] running `Command { std: "docker" "start" "-a" "64bdb411892ff46bbe4e36503d6373503b1bd7b9c150f1397d90d7158a81fba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking mini-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/source.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/source.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/source.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn from(value: io::Error) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/source.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn from(value: io::Error) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `err_or_else` is never used
[INFO] [stdout]   --> src/lex/implementations.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SomeToErr<E> {
[INFO] [stdout]    |       --------- method in this trait
[INFO] [stdout] 13 |     fn err_or<T>(self, value: T) -> result::Result<T, E>;
[INFO] [stdout] 14 |     fn err_or_else<T>(self, f: impl FnOnce() -> T) -> result::Result<T, E>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `err_or_else` is never used
[INFO] [stdout]   --> src/lex/implementations.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SomeToErr<E> {
[INFO] [stdout]    |       --------- method in this trait
[INFO] [stdout] 13 |     fn err_or<T>(self, value: T) -> result::Result<T, E>;
[INFO] [stdout] 14 |     fn err_or_else<T>(self, f: impl FnOnce() -> T) -> result::Result<T, E>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "64bdb411892ff46bbe4e36503d6373503b1bd7b9c150f1397d90d7158a81fba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64bdb411892ff46bbe4e36503d6373503b1bd7b9c150f1397d90d7158a81fba1", kill_on_drop: false }`
[INFO] [stdout] 64bdb411892ff46bbe4e36503d6373503b1bd7b9c150f1397d90d7158a81fba1