[INFO] fetching crate watchexec-cli 1.18.6...
[INFO] testing watchexec-cli-1.18.6 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate watchexec-cli 1.18.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate watchexec-cli 1.18.6 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate watchexec-cli 1.18.6
[INFO] finished tweaking crates.io crate watchexec-cli 1.18.6
[INFO] tweaked toml for crates.io crate watchexec-cli 1.18.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate watchexec-cli 1.18.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.2
[INFO] [stderr]   Downloaded enumflags2 v0.7.3
[INFO] [stderr]   Downloaded zvariant_derive v3.1.2
[INFO] [stderr]   Downloaded async-broadcast v0.3.4
[INFO] [stderr]   Downloaded easy-parallel v3.2.0
[INFO] [stderr]   Downloaded zbus_macros v2.1.1
[INFO] [stderr]   Downloaded console-subscriber v0.1.1
[INFO] [stderr]   Downloaded console-api v0.1.2
[INFO] [stderr]   Downloaded vswhom-sys v0.1.0
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded tower v0.4.11
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.8
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded embed-resource v1.6.5
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded hdrhistogram v7.4.0
[INFO] [stderr]   Downloaded insta v1.12.0
[INFO] [stderr]   Downloaded notify v5.0.0-pre.13
[INFO] [stderr]   Downloaded watchexec v2.0.0-pre.10
[INFO] [stderr]   Downloaded ordered-stream v0.0.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.24.0
[INFO] [stderr]   Downloaded kqueue v1.0.4
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.3
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.23
[INFO] [stderr]   Downloaded windows_i686_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.24.0
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded prost v0.9.0
[INFO] [stderr]   Downloaded prost-derive v0.9.0
[INFO] [stderr]   Downloaded strum_macros v0.22.0
[INFO] [stderr]   Downloaded strum v0.22.0
[INFO] [stderr]   Downloaded winrt-notification v0.5.1
[INFO] [stderr]   Downloaded command-group v1.0.8
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded vswhom v0.1.0
[INFO] [stderr]   Downloaded mimalloc v0.1.27
[INFO] [stderr]   Downloaded zbus v2.1.1
[INFO] [stderr]   Downloaded atomic-take v1.0.0
[INFO] [stderr]   Downloaded zbus_names v2.1.0
[INFO] [stderr]   Downloaded windows v0.24.0
[INFO] [stderr]   Downloaded zvariant v3.1.2
[INFO] [stderr]   Downloaded notify-rust v4.5.6
[INFO] [stderr]   Downloaded prost-build v0.9.0
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded owo-colors v3.2.0
[INFO] [stderr]   Downloaded supports-hyperlinks v1.2.0
[INFO] [stderr]   Downloaded supports-unicode v1.0.2
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded kqueue-sys v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7de6a078e2b68ed699e8b83aff6bcd53e4c1900265d47e1b74c64a52e4a205b4
[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" "7de6a078e2b68ed699e8b83aff6bcd53e4c1900265d47e1b74c64a52e4a205b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7de6a078e2b68ed699e8b83aff6bcd53e4c1900265d47e1b74c64a52e4a205b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de6a078e2b68ed699e8b83aff6bcd53e4c1900265d47e1b74c64a52e4a205b4", kill_on_drop: false }`
[INFO] [stdout] 7de6a078e2b68ed699e8b83aff6bcd53e4c1900265d47e1b74c64a52e4a205b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d25095fd39905192c09e74376166258941da79622ba6f3f2f235cc5b816d228
[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" "7d25095fd39905192c09e74376166258941da79622ba6f3f2f235cc5b816d228", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling easy-parallel v3.2.0
[INFO] [stderr]    Compiling owo-colors v3.2.0
[INFO] [stderr]    Compiling atomic-take v1.0.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling ordered-stream v0.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling enumflags2_derive v0.7.3
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling miette-derive v3.3.0
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling async-broadcast v0.3.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling tracing-subscriber v0.3.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling embed-resource v1.6.5
[INFO] [stderr]    Compiling zvariant_derive v3.1.2
[INFO] [stderr]    Compiling zbus_macros v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling watchexec-cli v1.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr] error: could not compile `tracing-subscriber`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_subscriber --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.3.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="ansi"' --cfg 'feature="ansi_term"' --cfg 'feature="default"' --cfg 'feature="env-filter"' --cfg 'feature="fmt"' --cfg 'feature="lazy_static"' --cfg 'feature="matchers"' --cfg 'feature="regex"' --cfg 'feature="registry"' --cfg 'feature="sharded-slab"' --cfg 'feature="smallvec"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="tracing"' --cfg 'feature="tracing-log"' -C metadata=856482c9434b2945 -C extra-filename=-856482c9434b2945 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-cf230369650aa732.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rmeta --extern matchers=/opt/rustwide/target/debug/deps/libmatchers-d81847edcc935f63.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-4efcc36bab2a8580.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-4503bbac24f85b71.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9a9406f60e570d53.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-4a59485929170945.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-f580e95fddeefd91.rmeta --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-553d2237bf633654.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-ad8d2c1347ccf72c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7d25095fd39905192c09e74376166258941da79622ba6f3f2f235cc5b816d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d25095fd39905192c09e74376166258941da79622ba6f3f2f235cc5b816d228", kill_on_drop: false }`
[INFO] [stdout] 7d25095fd39905192c09e74376166258941da79622ba6f3f2f235cc5b816d228