[INFO] cloning repository https://github.com/Maciej-Grzesik/ford-fulkerson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maciej-Grzesik/ford-fulkerson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciej-Grzesik%2Fford-fulkerson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciej-Grzesik%2Fford-fulkerson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c112b329a03adb37e27c2af8f0918f99b071cf8
[INFO] checking Maciej-Grzesik/ford-fulkerson against master#c0bb140a37c81cf59a0b40c21c9413059644e294 for pr-129249-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciej-Grzesik%2Fford-fulkerson" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Maciej-Grzesik/ford-fulkerson
[INFO] finished tweaking git repo https://github.com/Maciej-Grzesik/ford-fulkerson
[INFO] tweaked toml for git repo https://github.com/Maciej-Grzesik/ford-fulkerson written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Maciej-Grzesik/ford-fulkerson on toolchain c0bb140a37c81cf59a0b40c21c9413059644e294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Maciej-Grzesik/ford-fulkerson 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" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861
[INFO] running `Command { std: "docker" "start" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861", 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" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861", 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" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.171
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[INFO] [stderr]    Compiling rustc_version v0.4.1
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[INFO] [stderr]    Compiling paste v1.0.15
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[INFO] [stderr]     Checking nalgebra v0.33.2
[INFO] [stderr]     Checking statrs v0.18.0
[INFO] [stderr]     Checking ford_fulkerson_maciej_grzesik_268372 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `di_graph::DiGraphMap`
[INFO] [stdout]  --> src/core/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use di_graph::DiGraphMap;
[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: `di_graph::DiGraphMap`
[INFO] [stdout]  --> src/core/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use di_graph::DiGraphMap;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861", kill_on_drop: false }`
[INFO] [stdout] 45aaf43ab607ece96452d539612f0f6f53a3564f1282a9f9771567b595f29861