[INFO] cloning repository https://github.com/orlp/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orlp/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21f1a7bd8f2ed0622c496a8d4c0256be7bd0615c
[INFO] testing orlp/synth against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsynth" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/orlp/synth
[INFO] finished tweaking git repo https://github.com/orlp/synth
[INFO] tweaked toml for git repo https://github.com/orlp/synth written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/orlp/synth on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/orlp/synth 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c929a34dc826272ae6e71e64c2a4244816454c0062d40fe65bdccee68b6c059
[INFO] running `Command { std: "docker" "start" "-a" "7c929a34dc826272ae6e71e64c2a4244816454c0062d40fe65bdccee68b6c059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c929a34dc826272ae6e71e64c2a4244816454c0062d40fe65bdccee68b6c059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c929a34dc826272ae6e71e64c2a4244816454c0062d40fe65bdccee68b6c059", kill_on_drop: false }`
[INFO] [stdout] 7c929a34dc826272ae6e71e64c2a4244816454c0062d40fe65bdccee68b6c059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c3774a6a7ed6609a2c9b8adef32a255d9eba2789da6b8acbd0532c7776d1e3f
[INFO] running `Command { std: "docker" "start" "-a" "9c3774a6a7ed6609a2c9b8adef32a255d9eba2789da6b8acbd0532c7776d1e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.136
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cpal v0.14.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nix v0.25.0
[INFO] [stderr]    Compiling midly v0.5.2
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling midir v0.8.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `*mut alsa_sys::_snd_seq` cannot be shared between threads safely
[INFO] [stdout]    --> src/midi.rs:103:37
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Err(err) => Err(err.into()),
[INFO] [stdout]     |                                     ^^^^ `*mut alsa_sys::_snd_seq` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `ConnectError<MidiInput>`, the trait `Sync` is not implemented for `*mut alsa_sys::_snd_seq`
[INFO] [stdout] note: required because it appears within the type `alsa::seq::Seq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alsa-0.6.0/src/seq.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub struct Seq(*mut alsa::snd_seq_t, cell::Cell<bool>);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required because it appears within the type `std::option::Option<alsa::seq::Seq>`
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:594:10
[INFO] [stdout] note: required because it appears within the type `midir::backend::alsa::MidiInput`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/backend/alsa/mod.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct MidiInput {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] note: required because it appears within the type `MidiInput`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/common.rs:51:12
[INFO] [stdout]     |
[INFO] [stdout]  51 | pub struct MidiInput {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] note: required because it appears within the type `ConnectError<MidiInput>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/errors.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub struct ConnectError<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `anyhow::Error` to implement `From<ConnectError<MidiInput>>`
[INFO] [stdout]     = note: required for `ConnectError<MidiInput>` to implement `Into<anyhow::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Cell<bool>` cannot be shared between threads safely
[INFO] [stdout]    --> src/midi.rs:103:37
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Err(err) => Err(err.into()),
[INFO] [stdout]     |                                     ^^^^ `Cell<bool>` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `ConnectError<MidiInput>`, the trait `Sync` is not implemented for `Cell<bool>`
[INFO] [stdout]     = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` or `std::sync::atomic::AtomicBool` instead
[INFO] [stdout] note: required because it appears within the type `alsa::seq::Seq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alsa-0.6.0/src/seq.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | pub struct Seq(*mut alsa::snd_seq_t, cell::Cell<bool>);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] note: required because it appears within the type `std::option::Option<alsa::seq::Seq>`
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:594:10
[INFO] [stdout] note: required because it appears within the type `midir::backend::alsa::MidiInput`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/backend/alsa/mod.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct MidiInput {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] note: required because it appears within the type `MidiInput`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/common.rs:51:12
[INFO] [stdout]     |
[INFO] [stdout]  51 | pub struct MidiInput {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] note: required because it appears within the type `ConnectError<MidiInput>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/midir-0.8.0/src/errors.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub struct ConnectError<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `anyhow::Error` to implement `From<ConnectError<MidiInput>>`
[INFO] [stdout]     = note: required for `ConnectError<MidiInput>` to implement `Into<anyhow::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synth` (bin "synth") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c3774a6a7ed6609a2c9b8adef32a255d9eba2789da6b8acbd0532c7776d1e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3774a6a7ed6609a2c9b8adef32a255d9eba2789da6b8acbd0532c7776d1e3f", kill_on_drop: false }`
[INFO] [stdout] 9c3774a6a7ed6609a2c9b8adef32a255d9eba2789da6b8acbd0532c7776d1e3f
