[INFO] fetching crate sonant 0.1.0...
[INFO] testing sonant-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sonant 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sonant 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1796f7bb565bd722e960240426b2deab4e4c2d2a6cbed5d6c86e883febb765ee
[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" "1796f7bb565bd722e960240426b2deab4e4c2d2a6cbed5d6c86e883febb765ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1796f7bb565bd722e960240426b2deab4e4c2d2a6cbed5d6c86e883febb765ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1796f7bb565bd722e960240426b2deab4e4c2d2a6cbed5d6c86e883febb765ee", kill_on_drop: false }`
[INFO] [stdout] 1796f7bb565bd722e960240426b2deab4e4c2d2a6cbed5d6c86e883febb765ee
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba91358c30c31341aefb9e52a788af852efc41c4db379af8874ac44e17df8046
[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" "ba91358c30c31341aefb9e52a788af852efc41c4db379af8874ac44e17df8046", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling randomize v3.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.4
[INFO] [stderr]    Compiling sonant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `Command { std: "docker" "inspect" "ba91358c30c31341aefb9e52a788af852efc41c4db379af8874ac44e17df8046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba91358c30c31341aefb9e52a788af852efc41c4db379af8874ac44e17df8046", kill_on_drop: false }`
[INFO] [stdout] ba91358c30c31341aefb9e52a788af852efc41c4db379af8874ac44e17df8046
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80312de7af48d1fa8a2b8833e75924c13ed302b3dfd74aff64fda5e9603c81dc
[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" "80312de7af48d1fa8a2b8833e75924c13ed302b3dfd74aff64fda5e9603c81dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling riff-wave v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling sonant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.60s
[INFO] running `Command { std: "docker" "inspect" "80312de7af48d1fa8a2b8833e75924c13ed302b3dfd74aff64fda5e9603c81dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80312de7af48d1fa8a2b8833e75924c13ed302b3dfd74aff64fda5e9603c81dc", kill_on_drop: false }`
[INFO] [stdout] 80312de7af48d1fa8a2b8833e75924c13ed302b3dfd74aff64fda5e9603c81dc
[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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5e630dd2c57c474d760a042a1878fadda0ebf7dba6133af432287c442dd7fcf
[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" "a5e630dd2c57c474d760a042a1878fadda0ebf7dba6133af432287c442dd7fcf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test errors::tests::iter_sources_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sonant-3df51fa869f3d838)
[INFO] [stderr]    Doc-tests sonant
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/synth.rs - synth::Synth::new (line 167) - compile ... ok
[INFO] [stdout] test src/errors.rs - errors::iter_sources (line 11) ... ok
[INFO] [stdout] test src/song.rs - song::Song::from_slice (line 148) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5e630dd2c57c474d760a042a1878fadda0ebf7dba6133af432287c442dd7fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e630dd2c57c474d760a042a1878fadda0ebf7dba6133af432287c442dd7fcf", kill_on_drop: false }`
[INFO] [stdout] a5e630dd2c57c474d760a042a1878fadda0ebf7dba6133af432287c442dd7fcf