[INFO] cloning repository https://github.com/vimalaguti/rustlings_solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vimalaguti/rustlings_solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimalaguti%2Frustlings_solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimalaguti%2Frustlings_solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25bf28d273f5b80d1dbf90197cc42d147127384f
[INFO] checking vimalaguti/rustlings_solutions against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimalaguti%2Frustlings_solutions" "/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/vimalaguti/rustlings_solutions on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vimalaguti/rustlings_solutions
[INFO] finished tweaking git repo https://github.com/vimalaguti/rustlings_solutions
[INFO] tweaked toml for git repo https://github.com/vimalaguti/rustlings_solutions written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vimalaguti/rustlings_solutions 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cf25a6d84d38aa9eaa58a13a438d6d3b071917a87a276362e92993c5a51abdd
[INFO] running `Command { std: "docker" "start" "-a" "4cf25a6d84d38aa9eaa58a13a438d6d3b071917a87a276362e92993c5a51abdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf25a6d84d38aa9eaa58a13a438d6d3b071917a87a276362e92993c5a51abdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf25a6d84d38aa9eaa58a13a438d6d3b071917a87a276362e92993c5a51abdd", kill_on_drop: false }`
[INFO] [stdout] 4cf25a6d84d38aa9eaa58a13a438d6d3b071917a87a276362e92993c5a51abdd
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e1a53f6cc93a1c9a7a6c9771e8264c7a0a9cf25a28906e8f860f0af02c8fe01
[INFO] running `Command { std: "docker" "start" "-a" "1e1a53f6cc93a1c9a7a6c9771e8264c7a0a9cf25a28906e8f860f0af02c8fe01", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking indicatif v0.10.3
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking rustlings v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "1e1a53f6cc93a1c9a7a6c9771e8264c7a0a9cf25a28906e8f860f0af02c8fe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1a53f6cc93a1c9a7a6c9771e8264c7a0a9cf25a28906e8f860f0af02c8fe01", kill_on_drop: false }`
[INFO] [stdout] 1e1a53f6cc93a1c9a7a6c9771e8264c7a0a9cf25a28906e8f860f0af02c8fe01