[INFO] fetching crate lib_algorithms 0.0.9...
[INFO] checking lib_algorithms-0.0.9 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate lib_algorithms 0.0.9 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate lib_algorithms 0.0.9
[INFO] finished tweaking crates.io crate lib_algorithms 0.0.9
[INFO] tweaked toml for crates.io crate lib_algorithms 0.0.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_algorithms 0.0.9 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lib_algorithms 0.0.9 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e389821a0c7e467d3a6d0aaf940d24ecbf5e7dfa8e714e60063acb7a7f37034a
[INFO] running `Command { std: "docker" "start" "-a" "e389821a0c7e467d3a6d0aaf940d24ecbf5e7dfa8e714e60063acb7a7f37034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e389821a0c7e467d3a6d0aaf940d24ecbf5e7dfa8e714e60063acb7a7f37034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e389821a0c7e467d3a6d0aaf940d24ecbf5e7dfa8e714e60063acb7a7f37034a", kill_on_drop: false }`
[INFO] [stdout] e389821a0c7e467d3a6d0aaf940d24ecbf5e7dfa8e714e60063acb7a7f37034a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c50ff8e94cbbb4f500de11cdd064557d1cd4aa20e0babf683499b714bf118d56
[INFO] running `Command { std: "docker" "start" "-a" "c50ff8e94cbbb4f500de11cdd064557d1cd4aa20e0babf683499b714bf118d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking lib_algorithms v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lib_algorithms as lib`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_algorithms as lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lib_algorithms as lib`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lib_algorithms as lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "c50ff8e94cbbb4f500de11cdd064557d1cd4aa20e0babf683499b714bf118d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50ff8e94cbbb4f500de11cdd064557d1cd4aa20e0babf683499b714bf118d56", kill_on_drop: false }`
[INFO] [stdout] c50ff8e94cbbb4f500de11cdd064557d1cd4aa20e0babf683499b714bf118d56