[INFO] cloning repository https://github.com/bfeip/amalgam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bfeip/amalgam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfeip%2Famalgam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfeip%2Famalgam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dd3dc30818f2a73f4643df04022a9351d8b3d1e
[INFO] checking bfeip/amalgam/7dd3dc30818f2a73f4643df04022a9351d8b3d1e against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfeip%2Famalgam" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bfeip/amalgam on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bfeip/amalgam
[INFO] finished tweaking git repo https://github.com/bfeip/amalgam
[INFO] tweaked toml for git repo https://github.com/bfeip/amalgam written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bfeip/amalgam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9346324643b05d3895af0f7725830ee13c2522937c2bccf0669c0e4bca877a
[INFO] running `Command { std: "docker" "start" "-a" "5d9346324643b05d3895af0f7725830ee13c2522937c2bccf0669c0e4bca877a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9346324643b05d3895af0f7725830ee13c2522937c2bccf0669c0e4bca877a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9346324643b05d3895af0f7725830ee13c2522937c2bccf0669c0e4bca877a", kill_on_drop: false }`
[INFO] [stdout] 5d9346324643b05d3895af0f7725830ee13c2522937c2bccf0669c0e4bca877a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4cb9e378cdcbff430f094aca3c8492b3fe08ca5a800fdee87c0d19899d15cf5
[INFO] running `Command { std: "docker" "start" "-a" "b4cb9e378cdcbff430f094aca3c8492b3fe08ca5a800fdee87c0d19899d15cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking amalgam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/module/midi/midi_note.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         drop(midi_source);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut module::midi::MidiModuleBase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 183 -         drop(midi_source);
[INFO] [stdout] 183 +         let _ = midi_source;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/module/midi/midi_note.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         drop(midi_source);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut module::midi::MidiModuleBase`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 213 -         drop(midi_source);
[INFO] [stdout] 213 +         let _ = midi_source;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "b4cb9e378cdcbff430f094aca3c8492b3fe08ca5a800fdee87c0d19899d15cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cb9e378cdcbff430f094aca3c8492b3fe08ca5a800fdee87c0d19899d15cf5", kill_on_drop: false }`
[INFO] [stdout] b4cb9e378cdcbff430f094aca3c8492b3fe08ca5a800fdee87c0d19899d15cf5