[INFO] cloning repository https://github.com/jrop/rust-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrop/rust-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrop%2Frust-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrop%2Frust-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f716d34a540e19b3d5dadb4dd3a1f1123b0ef58f
[INFO] checking jrop/rust-calc against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrop%2Frust-calc" "/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/jrop/rust-calc on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrop/rust-calc
[INFO] finished tweaking git repo https://github.com/jrop/rust-calc
[INFO] tweaked toml for git repo https://github.com/jrop/rust-calc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jrop/rust-calc 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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded libc v0.2.74
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e40d2bf05c1c4db5da22a0dc5edf05ab0eefa59d2692c7de8d489b27d5d6922
[INFO] running `Command { std: "docker" "start" "-a" "9e40d2bf05c1c4db5da22a0dc5edf05ab0eefa59d2692c7de8d489b27d5d6922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e40d2bf05c1c4db5da22a0dc5edf05ab0eefa59d2692c7de8d489b27d5d6922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e40d2bf05c1c4db5da22a0dc5edf05ab0eefa59d2692c7de8d489b27d5d6922", kill_on_drop: false }`
[INFO] [stdout] 9e40d2bf05c1c4db5da22a0dc5edf05ab0eefa59d2692c7de8d489b27d5d6922
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7eddf80c1880d7e5ae840d014a54606959c65a2785479f6abf78bef36f60cb
[INFO] running `Command { std: "docker" "start" "-a" "ca7eddf80c1880d7e5ae840d014a54606959c65a2785479f6abf78bef36f60cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking rust-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "ca7eddf80c1880d7e5ae840d014a54606959c65a2785479f6abf78bef36f60cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7eddf80c1880d7e5ae840d014a54606959c65a2785479f6abf78bef36f60cb", kill_on_drop: false }`
[INFO] [stdout] ca7eddf80c1880d7e5ae840d014a54606959c65a2785479f6abf78bef36f60cb