[INFO] cloning repository https://github.com/danielmarin95/math-utils-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielmarin95/math-utils-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Fmath-utils-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Fmath-utils-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae2969a87dc0488c7dbd7dc04ac81c358f033feb
[INFO] checking danielmarin95/math-utils-lib against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Fmath-utils-lib" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielmarin95/math-utils-lib on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danielmarin95/math-utils-lib
[INFO] finished tweaking git repo https://github.com/danielmarin95/math-utils-lib
[INFO] tweaked toml for git repo https://github.com/danielmarin95/math-utils-lib written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danielmarin95/math-utils-lib 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08ba8c7c24faea065761eba117cd4d4b3c25c8ea1e4e6eb76d2e6cf7e8f3b996
[INFO] running `Command { std: "docker" "start" "-a" "08ba8c7c24faea065761eba117cd4d4b3c25c8ea1e4e6eb76d2e6cf7e8f3b996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08ba8c7c24faea065761eba117cd4d4b3c25c8ea1e4e6eb76d2e6cf7e8f3b996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ba8c7c24faea065761eba117cd4d4b3c25c8ea1e4e6eb76d2e6cf7e8f3b996", kill_on_drop: false }`
[INFO] [stdout] 08ba8c7c24faea065761eba117cd4d4b3c25c8ea1e4e6eb76d2e6cf7e8f3b996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1b088a4167c623bbff1553d7a4c92e925c819d31109dfde325531705b8e37b
[INFO] running `Command { std: "docker" "start" "-a" "6b1b088a4167c623bbff1553d7a4c92e925c819d31109dfde325531705b8e37b", kill_on_drop: false }`
[INFO] [stderr]     Checking MATH-UTILS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sum`
[INFO] [stdout]   --> src/lib.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use basics:: {sum, subtract, multiply, divide};
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sum`
[INFO] [stdout]   --> src/lib.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use basics:: {sum, subtract, multiply, divide};
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MATH_UTILS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `math_utils`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6b1b088a4167c623bbff1553d7a4c92e925c819d31109dfde325531705b8e37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1b088a4167c623bbff1553d7a4c92e925c819d31109dfde325531705b8e37b", kill_on_drop: false }`
[INFO] [stdout] 6b1b088a4167c623bbff1553d7a4c92e925c819d31109dfde325531705b8e37b