[INFO] fetching crate procspawn 0.10.1...
[INFO] testing procspawn-0.10.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate procspawn 0.10.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate procspawn 0.10.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate procspawn 0.10.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate procspawn 0.10.1
[INFO] tweaked toml for crates.io crate procspawn 0.10.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate procspawn 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d830aaa0b3eb83236b164b3f0ab59785b1598f3a36954753118ba21c10b6498
[INFO] running `Command { std: "docker" "start" "-a" "5d830aaa0b3eb83236b164b3f0ab59785b1598f3a36954753118ba21c10b6498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d830aaa0b3eb83236b164b3f0ab59785b1598f3a36954753118ba21c10b6498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d830aaa0b3eb83236b164b3f0ab59785b1598f3a36954753118ba21c10b6498", kill_on_drop: false }`
[INFO] [stdout] 5d830aaa0b3eb83236b164b3f0ab59785b1598f3a36954753118ba21c10b6498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391105cad71825a9004e4ae1c0bd8c38705e1ba2002ae61263a92c8c677e1160
[INFO] running `Command { std: "docker" "start" "-a" "391105cad71825a9004e4ae1c0bd8c38705e1ba2002ae61263a92c8c677e1160", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ipc-channel v0.15.0
[INFO] [stderr]    Compiling procspawn v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `Command { std: "docker" "inspect" "391105cad71825a9004e4ae1c0bd8c38705e1ba2002ae61263a92c8c677e1160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391105cad71825a9004e4ae1c0bd8c38705e1ba2002ae61263a92c8c677e1160", kill_on_drop: false }`
[INFO] [stdout] 391105cad71825a9004e4ae1c0bd8c38705e1ba2002ae61263a92c8c677e1160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a902fe7b427a817f236d9ec3d8cd6e4a57d5b893dcb3ca3eb979b281b57b80be
[INFO] running `Command { std: "docker" "start" "-a" "a902fe7b427a817f236d9ec3d8cd6e4a57d5b893dcb3ca3eb979b281b57b80be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling procspawn v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `procspawn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name procspawn --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="backtrace"' --cfg 'feature="default"' --cfg 'feature="findshlibs"' --cfg 'feature="safe-shared-libraries"' -C metadata=1635b6142175e5a2 -C extra-filename=-1635b6142175e5a2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-37aa4c65f467a401.rlib --extern findshlibs=/opt/rustwide/target/debug/deps/libfindshlibs-69d688138e143103.rlib --extern ipc_channel=/opt/rustwide/target/debug/deps/libipc_channel-81e1eb628f945bbf.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-d6b1c74255132726.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-38b8a5ebe7eaf466.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `procspawn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name custom_serialization --edition=2018 examples/custom-serialization.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="backtrace"' --cfg 'feature="default"' --cfg 'feature="findshlibs"' --cfg 'feature="safe-shared-libraries"' -C metadata=c916b2d07fa52cd5 -C extra-filename=-c916b2d07fa52cd5 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-37aa4c65f467a401.rlib --extern findshlibs=/opt/rustwide/target/debug/deps/libfindshlibs-69d688138e143103.rlib --extern ipc_channel=/opt/rustwide/target/debug/deps/libipc_channel-81e1eb628f945bbf.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-d6b1c74255132726.rlib --extern procspawn=/opt/rustwide/target/debug/deps/libprocspawn-03425253ed95290a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-38b8a5ebe7eaf466.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a902fe7b427a817f236d9ec3d8cd6e4a57d5b893dcb3ca3eb979b281b57b80be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a902fe7b427a817f236d9ec3d8cd6e4a57d5b893dcb3ca3eb979b281b57b80be", kill_on_drop: false }`
[INFO] [stdout] a902fe7b427a817f236d9ec3d8cd6e4a57d5b893dcb3ca3eb979b281b57b80be