[INFO] fetching crate pyembed 0.10.3...
[INFO] checking pyembed-0.10.3 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate pyembed 0.10.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pyembed 0.10.3 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate pyembed 0.10.3
[INFO] finished tweaking crates.io crate pyembed 0.10.3
[INFO] tweaked toml for crates.io crate pyembed 0.10.3 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] 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] [stdout] 18eafb84eeb224c9edba4344afd0ce9172075fc8f5b1fe1cd2cdcf6cfdfa2da1
[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" "18eafb84eeb224c9edba4344afd0ce9172075fc8f5b1fe1cd2cdcf6cfdfa2da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18eafb84eeb224c9edba4344afd0ce9172075fc8f5b1fe1cd2cdcf6cfdfa2da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18eafb84eeb224c9edba4344afd0ce9172075fc8f5b1fe1cd2cdcf6cfdfa2da1", kill_on_drop: false }`
[INFO] [stdout] 18eafb84eeb224c9edba4344afd0ce9172075fc8f5b1fe1cd2cdcf6cfdfa2da1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74dee97335121c139e841746102b36753214b9c9c9a29bf6e49dbb03c43237bc
[INFO] running `Command { std: "docker" "start" "-a" "74dee97335121c139e841746102b36753214b9c9c9a29bf6e49dbb03c43237bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling pyembed v0.10.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking python-packed-resources v0.4.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.13.1
[INFO] [stderr]     Checking python-packaging v0.3.0
[INFO] [stderr]    Compiling python3-sys v0.5.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.08s
[INFO] running `Command { std: "docker" "inspect" "74dee97335121c139e841746102b36753214b9c9c9a29bf6e49dbb03c43237bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74dee97335121c139e841746102b36753214b9c9c9a29bf6e49dbb03c43237bc", kill_on_drop: false }`
[INFO] [stdout] 74dee97335121c139e841746102b36753214b9c9c9a29bf6e49dbb03c43237bc