[INFO] cloning repository https://github.com/sak-id/atcoder-rust-contest-base
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sak-id/atcoder-rust-contest-base" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak-id%2Fatcoder-rust-contest-base", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak-id%2Fatcoder-rust-contest-base'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a02cc7910eef814b41fa985b4795df7e57e9891
[INFO] checking sak-id/atcoder-rust-contest-base against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak-id%2Fatcoder-rust-contest-base" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sak-id/atcoder-rust-contest-base
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/sak-id/atcoder-rust-contest-base
[INFO] tweaked toml for git repo https://github.com/sak-id/atcoder-rust-contest-base written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sak-id/atcoder-rust-contest-base on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sak-id/atcoder-rust-contest-base 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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "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 sak-id/atcoder-rust-contest-base against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak-id%2Fatcoder-rust-contest-base" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sak-id/atcoder-rust-contest-base
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/sak-id/atcoder-rust-contest-base
[INFO] tweaked toml for git repo https://github.com/sak-id/atcoder-rust-contest-base written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sak-id/atcoder-rust-contest-base on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sak-id/atcoder-rust-contest-base 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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "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 cli_test_dir v0.1.7
[INFO] [stderr]   Downloaded proconio-derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd8c6b92b8b2bad0924ed1e211eac520d533b8ea5ae9370250d5b5f426a6d47
[INFO] running `Command { std: "docker" "start" "-a" "8bd8c6b92b8b2bad0924ed1e211eac520d533b8ea5ae9370250d5b5f426a6d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd8c6b92b8b2bad0924ed1e211eac520d533b8ea5ae9370250d5b5f426a6d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd8c6b92b8b2bad0924ed1e211eac520d533b8ea5ae9370250d5b5f426a6d47", kill_on_drop: false }`
[INFO] [stdout] 8bd8c6b92b8b2bad0924ed1e211eac520d533b8ea5ae9370250d5b5f426a6d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8e07710fca38634dcc236acf4197772bf91e3119d0b028649278ed4a04e3a2f
[INFO] running `Command { std: "docker" "start" "-a" "d8e07710fca38634dcc236acf4197772bf91e3119d0b028649278ed4a04e3a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling proconio-derive v0.1.5
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/a.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         n: i64,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/a.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         n: i64,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "d8e07710fca38634dcc236acf4197772bf91e3119d0b028649278ed4a04e3a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e07710fca38634dcc236acf4197772bf91e3119d0b028649278ed4a04e3a2f", kill_on_drop: false }`
[INFO] [stdout] d8e07710fca38634dcc236acf4197772bf91e3119d0b028649278ed4a04e3a2f