[INFO] cloning repository https://github.com/trofa13/rust_tryout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trofa13/rust_tryout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrofa13%2Frust_tryout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrofa13%2Frust_tryout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe9cb0daf957dab3643065898e4930cccf94121
[INFO] checking trofa13/rust_tryout against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrofa13%2Frust_tryout" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trofa13/rust_tryout on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trofa13/rust_tryout
[INFO] finished tweaking git repo https://github.com/trofa13/rust_tryout
[INFO] tweaked toml for git repo https://github.com/trofa13/rust_tryout written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/trofa13/rust_tryout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", 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] 32dc2c8fde6db9ae0e45a71147d225c264c07ba0e105dc6b6ea61c4b3ab6c842
[INFO] running `Command { std: "docker" "start" "-a" "32dc2c8fde6db9ae0e45a71147d225c264c07ba0e105dc6b6ea61c4b3ab6c842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32dc2c8fde6db9ae0e45a71147d225c264c07ba0e105dc6b6ea61c4b3ab6c842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dc2c8fde6db9ae0e45a71147d225c264c07ba0e105dc6b6ea61c4b3ab6c842", kill_on_drop: false }`
[INFO] [stdout] 32dc2c8fde6db9ae0e45a71147d225c264c07ba0e105dc6b6ea61c4b3ab6c842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 9a7af81333ed856f36bf1423cd0e9a2d624e8eb61fdbded3dd4a4568cb8a722e
[INFO] running `Command { std: "docker" "start" "-a" "9a7af81333ed856f36bf1423cd0e9a2d624e8eb61fdbded3dd4a4568cb8a722e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_tryout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "9a7af81333ed856f36bf1423cd0e9a2d624e8eb61fdbded3dd4a4568cb8a722e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7af81333ed856f36bf1423cd0e9a2d624e8eb61fdbded3dd4a4568cb8a722e", kill_on_drop: false }`
[INFO] [stdout] 9a7af81333ed856f36bf1423cd0e9a2d624e8eb61fdbded3dd4a4568cb8a722e