[INFO] fetching crate alsa 0.8.1...
[INFO] checking alsa-0.8.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate alsa 0.8.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate alsa 0.8.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alsa 0.8.1
[INFO] finished tweaking crates.io crate alsa 0.8.1
[INFO] tweaked toml for crates.io crate alsa 0.8.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate alsa 0.8.1 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded bitflags v2.4.0
[INFO] [stderr]   Downloaded nix v0.26.4
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10baf86d2566bf896e2ae748a923944a7d736a207bc0d0dfefbac70b1cb9a524
[INFO] running `Command { std: "docker" "start" "-a" "10baf86d2566bf896e2ae748a923944a7d736a207bc0d0dfefbac70b1cb9a524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10baf86d2566bf896e2ae748a923944a7d736a207bc0d0dfefbac70b1cb9a524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10baf86d2566bf896e2ae748a923944a7d736a207bc0d0dfefbac70b1cb9a524", kill_on_drop: false }`
[INFO] [stdout] 10baf86d2566bf896e2ae748a923944a7d736a207bc0d0dfefbac70b1cb9a524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6be38edf69612861296d5dc8552acd2cc20a77e7b2186451faab8dd4c8e7ac1
[INFO] running `Command { std: "docker" "start" "-a" "a6be38edf69612861296d5dc8552acd2cc20a77e7b2186451faab8dd4c8e7ac1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking alsa v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/seq.rs:1321:13
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut t = &mut d.time;
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/seq.rs:1321:13
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut t = &mut d.time;
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hctl.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>(&'a HCtl, *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |            ----     ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>((), *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hctl.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>(&'a HCtl, *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |            ----     ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>((), *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "a6be38edf69612861296d5dc8552acd2cc20a77e7b2186451faab8dd4c8e7ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6be38edf69612861296d5dc8552acd2cc20a77e7b2186451faab8dd4c8e7ac1", kill_on_drop: false }`
[INFO] [stdout] a6be38edf69612861296d5dc8552acd2cc20a77e7b2186451faab8dd4c8e7ac1
[INFO] checking alsa-0.8.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate alsa 0.8.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alsa 0.8.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alsa 0.8.1
[INFO] finished tweaking crates.io crate alsa 0.8.1
[INFO] tweaked toml for crates.io crate alsa 0.8.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate alsa 0.8.1 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 034aa54146d9c1f2360211c56d6151e1b40d79e22b68c9002e6a476222eafaf0
[INFO] running `Command { std: "docker" "start" "-a" "034aa54146d9c1f2360211c56d6151e1b40d79e22b68c9002e6a476222eafaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "034aa54146d9c1f2360211c56d6151e1b40d79e22b68c9002e6a476222eafaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034aa54146d9c1f2360211c56d6151e1b40d79e22b68c9002e6a476222eafaf0", kill_on_drop: false }`
[INFO] [stdout] 034aa54146d9c1f2360211c56d6151e1b40d79e22b68c9002e6a476222eafaf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] ce216582bffb93863c6b6fbdb81c35f9045e8948d86ebce0bcd76de963a87285
[INFO] running `Command { std: "docker" "start" "-a" "ce216582bffb93863c6b6fbdb81c35f9045e8948d86ebce0bcd76de963a87285", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking alsa v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/seq.rs:1321:13
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut t = &mut d.time;
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hctl.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>(&'a HCtl, *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |            ----     ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>((), *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/seq.rs:1321:13
[INFO] [stdout]      |
[INFO] [stdout] 1321 |         let mut t = &mut d.time;
[INFO] [stdout]      |             ----^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hctl.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>(&'a HCtl, *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |            ----     ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct Elem<'a>((), *mut alsa::snd_hctl_elem_t);
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "ce216582bffb93863c6b6fbdb81c35f9045e8948d86ebce0bcd76de963a87285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce216582bffb93863c6b6fbdb81c35f9045e8948d86ebce0bcd76de963a87285", kill_on_drop: false }`
[INFO] [stdout] ce216582bffb93863c6b6fbdb81c35f9045e8948d86ebce0bcd76de963a87285
