[INFO] fetching crate sonant 0.1.0...
[INFO] checking sonant-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate sonant 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sonant 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-3/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.4
[INFO] [stderr]   Downloaded thiserror v1.0.4
[INFO] [stderr]   Downloaded riff-wave v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f3c03671c3451755ebb1b1c148e3c86d0f94972f1190400ccac0b5798b95c5
[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" "12f3c03671c3451755ebb1b1c148e3c86d0f94972f1190400ccac0b5798b95c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f3c03671c3451755ebb1b1c148e3c86d0f94972f1190400ccac0b5798b95c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f3c03671c3451755ebb1b1c148e3c86d0f94972f1190400ccac0b5798b95c5", kill_on_drop: false }`
[INFO] [stdout] 12f3c03671c3451755ebb1b1c148e3c86d0f94972f1190400ccac0b5798b95c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ba9a07e8dd7d22ff0b08a29f579f9c7dded0298b890d99ac5485e23c1435c5
[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" "58ba9a07e8dd7d22ff0b08a29f579f9c7dded0298b890d99ac5485e23c1435c5", 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 autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking riff-wave v0.1.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[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]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking colored v1.8.0
[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 36.40s
[INFO] running `Command { std: "docker" "inspect" "58ba9a07e8dd7d22ff0b08a29f579f9c7dded0298b890d99ac5485e23c1435c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ba9a07e8dd7d22ff0b08a29f579f9c7dded0298b890d99ac5485e23c1435c5", kill_on_drop: false }`
[INFO] [stdout] 58ba9a07e8dd7d22ff0b08a29f579f9c7dded0298b890d99ac5485e23c1435c5