[INFO] fetching crate gen-server-name 1.0.4...
[INFO] checking gen-server-name-1.0.4 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate gen-server-name 1.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gen-server-name 1.0.4 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 gen-server-name 1.0.4
[INFO] finished tweaking crates.io crate gen-server-name 1.0.4
[INFO] tweaked toml for crates.io crate gen-server-name 1.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gen-server-name 1.0.4 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-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561c4f8a017a103f3c4846458780990d5c6e20f1d062c8e70388fa0459253384
[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" "561c4f8a017a103f3c4846458780990d5c6e20f1d062c8e70388fa0459253384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561c4f8a017a103f3c4846458780990d5c6e20f1d062c8e70388fa0459253384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561c4f8a017a103f3c4846458780990d5c6e20f1d062c8e70388fa0459253384", kill_on_drop: false }`
[INFO] [stdout] 561c4f8a017a103f3c4846458780990d5c6e20f1d062c8e70388fa0459253384
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa830b5bde0e151091cfa79ef14d73334be8c0153187191831778cb527ea73de
[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" "aa830b5bde0e151091cfa79ef14d73334be8c0153187191831778cb527ea73de", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking deunicode v1.1.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking gen-server-name v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "aa830b5bde0e151091cfa79ef14d73334be8c0153187191831778cb527ea73de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa830b5bde0e151091cfa79ef14d73334be8c0153187191831778cb527ea73de", kill_on_drop: false }`
[INFO] [stdout] aa830b5bde0e151091cfa79ef14d73334be8c0153187191831778cb527ea73de