[INFO] fetching crate sonant 0.1.0...
[INFO] checking sonant-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[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 f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riff-wave v0.1.2
[INFO] [stderr]   Downloaded randomize v3.0.1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0637ad4565c0dc30f4c41a1799d5949652ed99f1ffde7bfd6dd5b3447a8feb
[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" "8b0637ad4565c0dc30f4c41a1799d5949652ed99f1ffde7bfd6dd5b3447a8feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0637ad4565c0dc30f4c41a1799d5949652ed99f1ffde7bfd6dd5b3447a8feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0637ad4565c0dc30f4c41a1799d5949652ed99f1ffde7bfd6dd5b3447a8feb", kill_on_drop: false }`
[INFO] [stdout] 8b0637ad4565c0dc30f4c41a1799d5949652ed99f1ffde7bfd6dd5b3447a8feb
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b50d7d834eb40fe07abb488950db0fb2955b35de7f2ae225ce1bc77c39496b2
[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" "6b50d7d834eb40fe07abb488950db0fb2955b35de7f2ae225ce1bc77c39496b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking randomize v3.0.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking riff-wave v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[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 cgmath v0.16.1
[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 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 44.02s
[INFO] running `Command { std: "docker" "inspect" "6b50d7d834eb40fe07abb488950db0fb2955b35de7f2ae225ce1bc77c39496b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b50d7d834eb40fe07abb488950db0fb2955b35de7f2ae225ce1bc77c39496b2", kill_on_drop: false }`
[INFO] [stdout] 6b50d7d834eb40fe07abb488950db0fb2955b35de7f2ae225ce1bc77c39496b2