[INFO] fetching crate tune-cli 0.18.0...
[INFO] checking tune-cli-0.18.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate tune-cli 0.18.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tune-cli 0.18.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tune-cli 0.18.0
[INFO] finished tweaking crates.io crate tune-cli 0.18.0
[INFO] tweaked toml for crates.io crate tune-cli 0.18.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tune-cli 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.72
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded js-sys v0.3.49
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.72
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.72
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.72
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.72
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded tune v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b28779f598c197deb98fc9a490d723600580b4d5f5b2b678dbbbe3e6a349bfb
[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" "8b28779f598c197deb98fc9a490d723600580b4d5f5b2b678dbbbe3e6a349bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b28779f598c197deb98fc9a490d723600580b4d5f5b2b678dbbbe3e6a349bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b28779f598c197deb98fc9a490d723600580b4d5f5b2b678dbbbe3e6a349bfb", kill_on_drop: false }`
[INFO] [stdout] 8b28779f598c197deb98fc9a490d723600580b4d5f5b2b678dbbbe3e6a349bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f761b5218d85a15010c6b2e2a49d3fe2c24d4e0bb040d46dfa742d34088fc547
[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" "f761b5218d85a15010c6b2e2a49d3fe2c24d4e0bb040d46dfa742d34088fc547", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking tune v0.23.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking tune-cli v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.94s
[INFO] running `Command { std: "docker" "inspect" "f761b5218d85a15010c6b2e2a49d3fe2c24d4e0bb040d46dfa742d34088fc547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f761b5218d85a15010c6b2e2a49d3fe2c24d4e0bb040d46dfa742d34088fc547", kill_on_drop: false }`
[INFO] [stdout] f761b5218d85a15010c6b2e2a49d3fe2c24d4e0bb040d46dfa742d34088fc547