[INFO] fetching crate spirit-cfg-helpers 0.4.0...
[INFO] checking spirit-cfg-helpers-0.4.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate spirit-cfg-helpers 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate spirit-cfg-helpers 0.4.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spirit-cfg-helpers 0.4.0
[INFO] finished tweaking crates.io crate spirit-cfg-helpers 0.4.0
[INFO] tweaked toml for crates.io crate spirit-cfg-helpers 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 0b02186c0646e5b0e8d17e2e0902ae01e81a863e85bf04c6127f1910f00e2e16
[INFO] running `Command { std: "docker" "start" "-a" "0b02186c0646e5b0e8d17e2e0902ae01e81a863e85bf04c6127f1910f00e2e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b02186c0646e5b0e8d17e2e0902ae01e81a863e85bf04c6127f1910f00e2e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b02186c0646e5b0e8d17e2e0902ae01e81a863e85bf04c6127f1910f00e2e16", kill_on_drop: false }`
[INFO] [stdout] 0b02186c0646e5b0e8d17e2e0902ae01e81a863e85bf04c6127f1910f00e2e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f0da0acc209ef64204893e47b21ec2960e25ab00858dce3fa7b3636bb80aa2
[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" "05f0da0acc209ef64204893e47b21ec2960e25ab00858dce3fa7b3636bb80aa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling structdoc-derive v0.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structdoc v0.1.4
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_path_to_error v0.1.4
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking spirit v0.4.14
[INFO] [stderr]     Checking spirit-cfg-helpers v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.42s
[INFO] running `Command { std: "docker" "inspect" "05f0da0acc209ef64204893e47b21ec2960e25ab00858dce3fa7b3636bb80aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f0da0acc209ef64204893e47b21ec2960e25ab00858dce3fa7b3636bb80aa2", kill_on_drop: false }`
[INFO] [stdout] 05f0da0acc209ef64204893e47b21ec2960e25ab00858dce3fa7b3636bb80aa2