[INFO] cloning repository https://github.com/bigyihsuan/golflang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bigyihsuan/golflang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigyihsuan%2Fgolflang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigyihsuan%2Fgolflang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c87917f253c72b935a92a844f4dc6662ea1ce93d
[INFO] checking bigyihsuan/golflang against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigyihsuan%2Fgolflang" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bigyihsuan/golflang
[INFO] finished tweaking git repo https://github.com/bigyihsuan/golflang
[INFO] tweaked toml for git repo https://github.com/bigyihsuan/golflang written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bigyihsuan/golflang on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bigyihsuan/golflang 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking bigyihsuan/golflang against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigyihsuan%2Fgolflang" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bigyihsuan/golflang
[INFO] finished tweaking git repo https://github.com/bigyihsuan/golflang
[INFO] tweaked toml for git repo https://github.com/bigyihsuan/golflang written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bigyihsuan/golflang on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bigyihsuan/golflang 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.14.0
[INFO] [stderr]   Downloaded peg v0.8.3
[INFO] [stderr]   Downloaded logos-codegen v0.14.0
[INFO] [stderr]   Downloaded line-col v0.2.1
[INFO] [stderr]   Downloaded parse_int v0.6.0
[INFO] [stderr]   Downloaded peg-macros v0.8.3
[INFO] [stderr]   Downloaded syn v2.0.61
[INFO] [stderr]   Downloaded logos v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77f538c81534584dfd70fcf644ef72445a5cce5c9005de0aa49834204991f76e
[INFO] running `Command { std: "docker" "start" "-a" "77f538c81534584dfd70fcf644ef72445a5cce5c9005de0aa49834204991f76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f538c81534584dfd70fcf644ef72445a5cce5c9005de0aa49834204991f76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f538c81534584dfd70fcf644ef72445a5cce5c9005de0aa49834204991f76e", kill_on_drop: false }`
[INFO] [stdout] 77f538c81534584dfd70fcf644ef72445a5cce5c9005de0aa49834204991f76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffdf39359f32ca2c14f6d06cdf685498720305d6367cab83bfe2514960378ab
[INFO] running `Command { std: "docker" "start" "-a" "8ffdf39359f32ca2c14f6d06cdf685498720305d6367cab83bfe2514960378ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling peg-runtime v0.8.3
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking line-col v0.2.1
[INFO] [stderr]    Compiling peg-macros v0.8.3
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]     Checking peg v0.8.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling logos-codegen v0.14.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling logos-derive v0.14.0
[INFO] [stderr]     Checking thiserror v1.0.60
[INFO] [stderr]     Checking logos v0.14.0
[INFO] [stderr]     Checking snailquote v0.3.1
[INFO] [stderr]     Checking golflang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/par/grammar.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::Evaluator`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use eval::Evaluator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/par/grammar.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::Evaluator`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use eval::Evaluator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn tokens(&self) -> &TokenList {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^
[INFO] [stdout]    |                   |         ||
[INFO] [stdout]    |                   |         |the same lifetime is hidden here
[INFO] [stdout]    |                   |         the same lifetime is elided here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn tokens(&self) -> &TokenList<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn tokens(&self) -> &TokenList {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^
[INFO] [stdout]    |                   |         ||
[INFO] [stdout]    |                   |         |the same lifetime is hidden here
[INFO] [stdout]    |                   |         the same lifetime is elided here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn tokens(&self) -> &TokenList<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "8ffdf39359f32ca2c14f6d06cdf685498720305d6367cab83bfe2514960378ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffdf39359f32ca2c14f6d06cdf685498720305d6367cab83bfe2514960378ab", kill_on_drop: false }`
[INFO] [stdout] 8ffdf39359f32ca2c14f6d06cdf685498720305d6367cab83bfe2514960378ab
