[INFO] fetching crate sonant 0.1.0...
[INFO] checking sonant-0.1.0 against beta for pr-78714
[INFO] extracting crate sonant 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sonant 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sonant 0.1.0
[INFO] finished tweaking crates.io crate sonant 0.1.0
[INFO] tweaked toml for crates.io crate sonant 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sonant 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d928c77236695d2e5b0046769755f55ac4c98086bac9cf835a9d1f6d42fb8227
[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" "d928c77236695d2e5b0046769755f55ac4c98086bac9cf835a9d1f6d42fb8227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d928c77236695d2e5b0046769755f55ac4c98086bac9cf835a9d1f6d42fb8227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d928c77236695d2e5b0046769755f55ac4c98086bac9cf835a9d1f6d42fb8227", kill_on_drop: false }`
[INFO] [stdout] d928c77236695d2e5b0046769755f55ac4c98086bac9cf835a9d1f6d42fb8227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e2c1bae9f2d93cf5980e4bb5f9ec54f83765b25bb06d723abd82a9b3d506280
[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" "2e2c1bae9f2d93cf5980e4bb5f9ec54f83765b25bb06d723abd82a9b3d506280", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking randomize v3.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking riff-wave v0.1.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.4
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.4
[INFO] [stderr]     Checking sonant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.34s
[INFO] running `Command { std: "docker" "inspect" "2e2c1bae9f2d93cf5980e4bb5f9ec54f83765b25bb06d723abd82a9b3d506280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2c1bae9f2d93cf5980e4bb5f9ec54f83765b25bb06d723abd82a9b3d506280", kill_on_drop: false }`
[INFO] [stdout] 2e2c1bae9f2d93cf5980e4bb5f9ec54f83765b25bb06d723abd82a9b3d506280