[INFO] fetching crate specs-mirror 0.5.0...
[INFO] checking specs-mirror-0.5.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate specs-mirror 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate specs-mirror 0.5.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate specs-mirror 0.5.0
[INFO] finished tweaking crates.io crate specs-mirror 0.5.0
[INFO] tweaked toml for crates.io crate specs-mirror 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 833aaecdaff708b59c8b13d18e5d054ea2a2357a7005bca708cbeb5b4bff45f2
[INFO] running `Command { std: "docker" "start" "-a" "833aaecdaff708b59c8b13d18e5d054ea2a2357a7005bca708cbeb5b4bff45f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "833aaecdaff708b59c8b13d18e5d054ea2a2357a7005bca708cbeb5b4bff45f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833aaecdaff708b59c8b13d18e5d054ea2a2357a7005bca708cbeb5b4bff45f2", kill_on_drop: false }`
[INFO] [stdout] 833aaecdaff708b59c8b13d18e5d054ea2a2357a7005bca708cbeb5b4bff45f2
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5b33b407fcb0dd4eedc254572bc7eb2424ad74a48b560694daf7a1eb18ed4f0
[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" "a5b33b407fcb0dd4eedc254572bc7eb2424ad74a48b560694daf7a1eb18ed4f0", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking specs v0.12.3
[INFO] [stderr]     Checking specs-mirror v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.07s
[INFO] running `Command { std: "docker" "inspect" "a5b33b407fcb0dd4eedc254572bc7eb2424ad74a48b560694daf7a1eb18ed4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b33b407fcb0dd4eedc254572bc7eb2424ad74a48b560694daf7a1eb18ed4f0", kill_on_drop: false }`
[INFO] [stdout] a5b33b407fcb0dd4eedc254572bc7eb2424ad74a48b560694daf7a1eb18ed4f0