[INFO] cloning repository https://github.com/nmarley/rustdouble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmarley/rustdouble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frustdouble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frustdouble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19016a3aedca22db41ac696a440a2d04b8f98e91
[INFO] checking nmarley/rustdouble against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmarley%2Frustdouble" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmarley/rustdouble on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmarley/rustdouble
[INFO] finished tweaking git repo https://github.com/nmarley/rustdouble
[INFO] tweaked toml for git repo https://github.com/nmarley/rustdouble written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nmarley/rustdouble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5cc9870987c0dcb3d018c43c1551c6183029d6e44a022c271bb1d2673f5c4ee
[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" "f5cc9870987c0dcb3d018c43c1551c6183029d6e44a022c271bb1d2673f5c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5cc9870987c0dcb3d018c43c1551c6183029d6e44a022c271bb1d2673f5c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cc9870987c0dcb3d018c43c1551c6183029d6e44a022c271bb1d2673f5c4ee", kill_on_drop: false }`
[INFO] [stdout] f5cc9870987c0dcb3d018c43c1551c6183029d6e44a022c271bb1d2673f5c4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad5c7986c76469cd62a171592a2d64282cd6e4fdeb9364ffeb95b42b2619cd2
[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" "8ad5c7986c76469cd62a171592a2d64282cd6e4fdeb9364ffeb95b42b2619cd2", kill_on_drop: false }`
[INFO] [stderr]     Checking rustdouble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8ad5c7986c76469cd62a171592a2d64282cd6e4fdeb9364ffeb95b42b2619cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad5c7986c76469cd62a171592a2d64282cd6e4fdeb9364ffeb95b42b2619cd2", kill_on_drop: false }`
[INFO] [stdout] 8ad5c7986c76469cd62a171592a2d64282cd6e4fdeb9364ffeb95b42b2619cd2