[INFO] cloning repository https://github.com/carols10cents/rust-conversion-reference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carols10cents/rust-conversion-reference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Frust-conversion-reference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Frust-conversion-reference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a27129323b01d8a3a4a03c6cb51a1107daca6f4b
[INFO] checking carols10cents/rust-conversion-reference against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarols10cents%2Frust-conversion-reference" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carols10cents/rust-conversion-reference on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carols10cents/rust-conversion-reference
[INFO] finished tweaking git repo https://github.com/carols10cents/rust-conversion-reference
[INFO] tweaked toml for git repo https://github.com/carols10cents/rust-conversion-reference written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/carols10cents/rust-conversion-reference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba95e6088c9795f63cd00b4020dd14a431acd0cb205191b72233088d4d77431a
[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" "ba95e6088c9795f63cd00b4020dd14a431acd0cb205191b72233088d4d77431a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba95e6088c9795f63cd00b4020dd14a431acd0cb205191b72233088d4d77431a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba95e6088c9795f63cd00b4020dd14a431acd0cb205191b72233088d4d77431a", kill_on_drop: false }`
[INFO] [stdout] ba95e6088c9795f63cd00b4020dd14a431acd0cb205191b72233088d4d77431a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62cf2e9ebb2b9b3f73005f6b287628a8ecd9ebe5c5a13f12f8d2054cdf3b6e9
[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" "f62cf2e9ebb2b9b3f73005f6b287628a8ecd9ebe5c5a13f12f8d2054cdf3b6e9", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-conversion-reference v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "f62cf2e9ebb2b9b3f73005f6b287628a8ecd9ebe5c5a13f12f8d2054cdf3b6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62cf2e9ebb2b9b3f73005f6b287628a8ecd9ebe5c5a13f12f8d2054cdf3b6e9", kill_on_drop: false }`
[INFO] [stdout] f62cf2e9ebb2b9b3f73005f6b287628a8ecd9ebe5c5a13f12f8d2054cdf3b6e9