[INFO] fetching crate devrc 0.0.1...
[INFO] checking devrc-0.0.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate devrc 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate devrc 0.0.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devrc 0.0.1
[INFO] finished tweaking crates.io crate devrc 0.0.1
[INFO] tweaked toml for crates.io crate devrc 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate devrc 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffffff5028d7584651a6b7e371febd84aabaecc83cc9dd1120039dc23c732102
[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" "ffffff5028d7584651a6b7e371febd84aabaecc83cc9dd1120039dc23c732102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffffff5028d7584651a6b7e371febd84aabaecc83cc9dd1120039dc23c732102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffffff5028d7584651a6b7e371febd84aabaecc83cc9dd1120039dc23c732102", kill_on_drop: false }`
[INFO] [stdout] ffffff5028d7584651a6b7e371febd84aabaecc83cc9dd1120039dc23c732102
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e3ed745995731beece5ff8bcd230974e95f551bb93b6f805d693f85f3a7a510
[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" "7e3ed745995731beece5ff8bcd230974e95f551bb93b6f805d693f85f3a7a510", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking devrc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "7e3ed745995731beece5ff8bcd230974e95f551bb93b6f805d693f85f3a7a510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3ed745995731beece5ff8bcd230974e95f551bb93b6f805d693f85f3a7a510", kill_on_drop: false }`
[INFO] [stdout] 7e3ed745995731beece5ff8bcd230974e95f551bb93b6f805d693f85f3a7a510