[INFO] cloning repository https://github.com/minghu6/alg-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minghu6/alg-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eac3c774da7d0ce4a42a69eeb1a7fa3899b0aa75
[INFO] checking minghu6/alg-parser against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minghu6/alg-parser
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/minghu6/alg-parser
[INFO] tweaked toml for git repo https://github.com/minghu6/alg-parser written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minghu6/alg-parser on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minghu6/alg-parser 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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 minghu6/alg-parser against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminghu6%2Falg-parser" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minghu6/alg-parser
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/minghu6/alg-parser
[INFO] tweaked toml for git repo https://github.com/minghu6/alg-parser written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minghu6/alg-parser on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minghu6/alg-parser 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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 cute v0.3.0
[INFO] [stderr]   Downloaded concat-idents v1.1.5
[INFO] [stderr]   Downloaded unstringify v0.1.4
[INFO] [stderr]   Downloaded syn v2.0.87
[INFO] [stderr]   Downloaded m6-key-set v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767
[INFO] running `Command { std: "docker" "start" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling unstringify v0.1.4
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking m6-key-set v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking proc-macros v0.1.0 (/opt/rustwide/workdir/proc_macros)
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]     Checking alg-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/utils.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use crate::*;
[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: `crate::simple_regex`
[INFO] [stdout]     --> src/regex.rs:1064:13
[INFO] [stdout]      |
[INFO] [stdout] 1064 |         use crate::simple_regex;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_hygiene` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(coroutines)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `proc_macro_hygiene` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `lazy_static`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | lazy_static = "1.4.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `lazy_static`
[INFO] [stderr] warning: unused dependency `num`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | num = "0.4"
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `num`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: unused dependency `unstringify`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | unstringify = "0.1.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `unstringify`
[INFO] [stderr] warning: `alg-parser` (manifest) generated 3 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `Command { std: "docker" "inspect" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767", kill_on_drop: false }`
[INFO] [stdout] 77de109a506610e6464f6439a70d4770ff780a459bb0e1e6d6febe0d8562c767
