[INFO] cloning repository https://github.com/EgorKulikov/rust_algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EgorKulikov/rust_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEgorKulikov%2Frust_algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEgorKulikov%2Frust_algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f07b2a3343eac0e539eb5724f3cd098ed9b2f18b
[INFO] testing EgorKulikov/rust_algo against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEgorKulikov%2Frust_algo" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EgorKulikov/rust_algo on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EgorKulikov/rust_algo
[INFO] finished tweaking git repo https://github.com/EgorKulikov/rust_algo
[INFO] tweaked toml for git repo https://github.com/EgorKulikov/rust_algo written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/EgorKulikov/rust_algo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bdf694465c70d86e80cf987afa5247ead57fb7f06eb72e415a2826d30eeca9d
[INFO] running `Command { std: "docker" "start" "-a" "3bdf694465c70d86e80cf987afa5247ead57fb7f06eb72e415a2826d30eeca9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdf694465c70d86e80cf987afa5247ead57fb7f06eb72e415a2826d30eeca9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdf694465c70d86e80cf987afa5247ead57fb7f06eb72e415a2826d30eeca9d", kill_on_drop: false }`
[INFO] [stdout] 3bdf694465c70d86e80cf987afa5247ead57fb7f06eb72e415a2826d30eeca9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7260433eb723a6f7c7aab284bc6f506446f17b2a70b9f0149e5bd6b07a7f1a
[INFO] running `Command { std: "docker" "start" "-a" "1f7260433eb723a6f7c7aab284bc6f506446f17b2a70b9f0149e5bd6b07a7f1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling algo_lib v0.1.0 (/opt/rustwide/workdir/algo_lib)
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "1f7260433eb723a6f7c7aab284bc6f506446f17b2a70b9f0149e5bd6b07a7f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7260433eb723a6f7c7aab284bc6f506446f17b2a70b9f0149e5bd6b07a7f1a", kill_on_drop: false }`
[INFO] [stdout] 1f7260433eb723a6f7c7aab284bc6f506446f17b2a70b9f0149e5bd6b07a7f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758edfd1b5d419b5ed082e014dbc86d4d7e60eb28e04aad9f9d6fc7553b6e0eb
[INFO] running `Command { std: "docker" "start" "-a" "758edfd1b5d419b5ed082e014dbc86d4d7e60eb28e04aad9f9d6fc7553b6e0eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stderr]    Compiling algo_lib v0.1.0 (/opt/rustwide/workdir/algo_lib)
[INFO] [stdout] warning: unused import: `ModInt`
[INFO] [stdout]  --> algo_lib/src/numbers/test.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::numbers::mod_int::{ModInt, ModInt7};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::value`
[INFO] [stdout]  --> algo_lib/src/numbers/test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::value;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algo_lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name e_mst1 --edition=2021 algo_lib/tests/e_mst1.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c98b39ecc1dd8858 -C extra-filename=-c98b39ecc1dd8858 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern algo_lib=/opt/rustwide/target/debug/deps/libalgo_lib-bacc2b5387097db8.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-bb98914d3da2903b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "758edfd1b5d419b5ed082e014dbc86d4d7e60eb28e04aad9f9d6fc7553b6e0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758edfd1b5d419b5ed082e014dbc86d4d7e60eb28e04aad9f9d6fc7553b6e0eb", kill_on_drop: false }`
[INFO] [stdout] 758edfd1b5d419b5ed082e014dbc86d4d7e60eb28e04aad9f9d6fc7553b6e0eb