[INFO] cloning repository https://github.com/zhwei820/rs-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhwei820/rs-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhwei820%2Frs-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhwei820%2Frs-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ab9036f0bf962e5c9be688c5db197ebfd14d84
[INFO] checking zhwei820/rs-code against master#83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5 for pr-128425
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhwei820%2Frs-code" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhwei820/rs-code on toolchain 83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhwei820/rs-code
[INFO] finished tweaking git repo https://github.com/zhwei820/rs-code
[INFO] tweaked toml for git repo https://github.com/zhwei820/rs-code written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhwei820/rs-code 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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking zhwei820/rs-code against try#063c08dd8db6ff113bb809c130456f1781abe72c for pr-128425
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhwei820%2Frs-code" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhwei820/rs-code on toolchain 063c08dd8db6ff113bb809c130456f1781abe72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhwei820/rs-code
[INFO] finished tweaking git repo https://github.com/zhwei820/rs-code
[INFO] tweaked toml for git repo https://github.com/zhwei820/rs-code written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zhwei820/rs-code 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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e4a5fb72ee8b74cdfcfe1fd83bb1ce223661f45d5c85ccd1189a80d7d75e22
[INFO] running `Command { std: "docker" "start" "-a" "f7e4a5fb72ee8b74cdfcfe1fd83bb1ce223661f45d5c85ccd1189a80d7d75e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e4a5fb72ee8b74cdfcfe1fd83bb1ce223661f45d5c85ccd1189a80d7d75e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e4a5fb72ee8b74cdfcfe1fd83bb1ce223661f45d5c85ccd1189a80d7d75e22", kill_on_drop: false }`
[INFO] [stdout] f7e4a5fb72ee8b74cdfcfe1fd83bb1ce223661f45d5c85ccd1189a80d7d75e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d90d8244add5e28fc7752e0d555643b0513b430145a9b2f1dd325d4e125aa06
[INFO] running `Command { std: "docker" "start" "-a" "7d90d8244add5e28fc7752e0d555643b0513b430145a9b2f1dd325d4e125aa06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking rustgym-util v0.2.4 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stdout] warning: unused import: `crate::adventofcode::*`
[INFO] [stdout]   --> util/src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use crate::adventofcode::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::*`
[INFO] [stdout]   --> util/src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::data::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_gen::*`
[INFO] [stdout]   --> util/src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use crate::test_gen::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::adventofcode::*`
[INFO] [stdout]   --> util/src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use crate::adventofcode::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::*`
[INFO] [stdout]   --> util/src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use crate::data::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_gen::*`
[INFO] [stdout]   --> util/src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use crate::test_gen::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustgym-leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.60s
[INFO] running `Command { std: "docker" "inspect" "7d90d8244add5e28fc7752e0d555643b0513b430145a9b2f1dd325d4e125aa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d90d8244add5e28fc7752e0d555643b0513b430145a9b2f1dd325d4e125aa06", kill_on_drop: false }`
[INFO] [stdout] 7d90d8244add5e28fc7752e0d555643b0513b430145a9b2f1dd325d4e125aa06