[INFO] fetching crate allegro_audio 0.0.41...
[INFO] checking allegro_audio-0.0.41 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate allegro_audio 0.0.41 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate allegro_audio 0.0.41 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate allegro_audio 0.0.41
[INFO] finished tweaking crates.io crate allegro_audio 0.0.41
[INFO] tweaked toml for crates.io crate allegro_audio 0.0.41 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38db5fc0201368c2445964eebf35649f9613252245fde088a8fe4ec6cab86b2e
[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" "38db5fc0201368c2445964eebf35649f9613252245fde088a8fe4ec6cab86b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38db5fc0201368c2445964eebf35649f9613252245fde088a8fe4ec6cab86b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38db5fc0201368c2445964eebf35649f9613252245fde088a8fe4ec6cab86b2e", kill_on_drop: false }`
[INFO] [stdout] 38db5fc0201368c2445964eebf35649f9613252245fde088a8fe4ec6cab86b2e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 950c2bc917068a5d4ee2126e7ad0d47fb29769b175e1308459c2eb1f6dbbf69d
[INFO] running `Command { std: "docker" "start" "-a" "950c2bc917068a5d4ee2126e7ad0d47fb29769b175e1308459c2eb1f6dbbf69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling allegro-sys v0.0.41
[INFO] [stderr]    Compiling allegro_audio-sys v0.0.41
[INFO] [stderr]    Compiling allegro v0.0.41
[INFO] [stderr]     Checking allegro_util v0.0.41
[INFO] [stderr]     Checking allegro_audio v0.0.41 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/mixer.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 |     parent: Option<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `callback`
[INFO] [stdout]   --> src/mixer.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     callback: Option<Box<CallbackHolder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/sample.rs:194:2
[INFO] [stdout]     |
[INFO] [stdout] 194 |     parent: Option<Connection>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/stream.rs:45:2
[INFO] [stdout]    |
[INFO] [stdout] 45 |     parent: Option<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/mixer.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 |     parent: Option<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `callback`
[INFO] [stdout]   --> src/mixer.rs:71:2
[INFO] [stdout]    |
[INFO] [stdout] 71 |     callback: Option<Box<CallbackHolder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/sample.rs:194:2
[INFO] [stdout]     |
[INFO] [stdout] 194 |     parent: Option<Connection>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/stream.rs:45:2
[INFO] [stdout]    |
[INFO] [stdout] 45 |     parent: Option<Connection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "950c2bc917068a5d4ee2126e7ad0d47fb29769b175e1308459c2eb1f6dbbf69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950c2bc917068a5d4ee2126e7ad0d47fb29769b175e1308459c2eb1f6dbbf69d", kill_on_drop: false }`
[INFO] [stdout] 950c2bc917068a5d4ee2126e7ad0d47fb29769b175e1308459c2eb1f6dbbf69d