[INFO] cloning repository https://github.com/arpho/battery_saver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arpho/battery_saver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpho%2Fbattery_saver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpho%2Fbattery_saver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eeaf40fb3885279c93b952ad4cba6bc3b02cc32f
[INFO] testing arpho/battery_saver against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpho%2Fbattery_saver" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arpho/battery_saver on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arpho/battery_saver
[INFO] finished tweaking git repo https://github.com/arpho/battery_saver
[INFO] tweaked toml for git repo https://github.com/arpho/battery_saver written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arpho/battery_saver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uom v0.30.0
[INFO] [stderr]   Downloaded battery v0.7.8
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded rodio v0.12.0
[INFO] [stderr]   Downloaded libbluetooth v0.1.0
[INFO] [stderr]   Downloaded io_bluetooth v0.1.0
[INFO] [stderr]   Downloaded winbluetooth v0.1.0
[INFO] [stderr]   Downloaded uom v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 1a6cef1e412ffcf57b34eaffc369400075452763f2763f7714c3574af742204f
[INFO] running `Command { std: "docker" "start" "-a" "1a6cef1e412ffcf57b34eaffc369400075452763f2763f7714c3574af742204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6cef1e412ffcf57b34eaffc369400075452763f2763f7714c3574af742204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6cef1e412ffcf57b34eaffc369400075452763f2763f7714c3574af742204f", kill_on_drop: false }`
[INFO] [stdout] 1a6cef1e412ffcf57b34eaffc369400075452763f2763f7714c3574af742204f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c9d2e7d19f82ff337ebbf8eec978b1570b46acadb60a8f6d83ffc0ac3e8d4c
[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" "b4c9d2e7d19f82ff337ebbf8eec978b1570b46acadb60a8f6d83ffc0ac3e8d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling uom v0.31.0
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling libbluetooth v0.1.0
[INFO] [stderr] error: could not compile `uom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name uom --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uom-0.31.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="autoconvert"' --cfg 'feature="default"' --cfg 'feature="f32"' --cfg 'feature="f64"' --cfg 'feature="si"' --cfg 'feature="std"' -C metadata=56f05d2d605c0f82 -C extra-filename=-56f05d2d605c0f82 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-459c53b68db37723.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-2a6e240f514da056.rmeta --cap-lints allow --cap-lints=forbid` (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" "b4c9d2e7d19f82ff337ebbf8eec978b1570b46acadb60a8f6d83ffc0ac3e8d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c9d2e7d19f82ff337ebbf8eec978b1570b46acadb60a8f6d83ffc0ac3e8d4c", kill_on_drop: false }`
[INFO] [stdout] b4c9d2e7d19f82ff337ebbf8eec978b1570b46acadb60a8f6d83ffc0ac3e8d4c