[INFO] cloning repository https://github.com/vasuse7en/rust-excercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vasuse7en/rust-excercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasuse7en%2Frust-excercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasuse7en%2Frust-excercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 454a97f5775691863f2ee84c4266f43e6b55c99f
[INFO] checking vasuse7en/rust-excercises against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvasuse7en%2Frust-excercises" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vasuse7en/rust-excercises on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vasuse7en/rust-excercises
[INFO] finished tweaking git repo https://github.com/vasuse7en/rust-excercises
[INFO] tweaked toml for git repo https://github.com/vasuse7en/rust-excercises written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/vasuse7en/rust-excercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 450c2c6bdba2bcf3ad931e237bd8fee2202402753e1143621d479a6b787610ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "450c2c6bdba2bcf3ad931e237bd8fee2202402753e1143621d479a6b787610ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450c2c6bdba2bcf3ad931e237bd8fee2202402753e1143621d479a6b787610ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450c2c6bdba2bcf3ad931e237bd8fee2202402753e1143621d479a6b787610ed", kill_on_drop: false }`
[INFO] [stdout] 450c2c6bdba2bcf3ad931e237bd8fee2202402753e1143621d479a6b787610ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3865878e91a9654d23d41787ac3c6b7b299e4147ce51a8eb4e6fae90b2c2a6d7
[INFO] running `Command { std: "docker" "start" "-a" "3865878e91a9654d23d41787ac3c6b7b299e4147ce51a8eb4e6fae90b2c2a6d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking ordinal v0.2.3
[INFO] [stderr]     Checking rust_excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "3865878e91a9654d23d41787ac3c6b7b299e4147ce51a8eb4e6fae90b2c2a6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3865878e91a9654d23d41787ac3c6b7b299e4147ce51a8eb4e6fae90b2c2a6d7", kill_on_drop: false }`
[INFO] [stdout] 3865878e91a9654d23d41787ac3c6b7b299e4147ce51a8eb4e6fae90b2c2a6d7