[INFO] crate os-version 0.1.1 is already in cache
[INFO] checking os-version-0.1.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate os-version 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate os-version 0.1.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os-version 0.1.1
[INFO] finished tweaking crates.io crate os-version 0.1.1
[INFO] tweaked toml for crates.io crate os-version 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate os-version 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d66c0a2cd590aaa17697baca01ac6377f37c5f33d5a4f9c466be4629f8d15b69
[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" "d66c0a2cd590aaa17697baca01ac6377f37c5f33d5a4f9c466be4629f8d15b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66c0a2cd590aaa17697baca01ac6377f37c5f33d5a4f9c466be4629f8d15b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66c0a2cd590aaa17697baca01ac6377f37c5f33d5a4f9c466be4629f8d15b69", kill_on_drop: false }`
[INFO] [stdout] d66c0a2cd590aaa17697baca01ac6377f37c5f33d5a4f9c466be4629f8d15b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a567eb24c26c0437043852dea29c19c36af994f90ba8de799a729b2cb6bafa54
[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" "a567eb24c26c0437043852dea29c19c36af994f90ba8de799a729b2cb6bafa54", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking os-version v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a567eb24c26c0437043852dea29c19c36af994f90ba8de799a729b2cb6bafa54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a567eb24c26c0437043852dea29c19c36af994f90ba8de799a729b2cb6bafa54", kill_on_drop: false }`
[INFO] [stdout] a567eb24c26c0437043852dea29c19c36af994f90ba8de799a729b2cb6bafa54