[INFO] fetching crate cmajor 0.2.0...
[INFO] checking cmajor-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cmajor 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cmajor 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmajor 0.2.0
[INFO] finished tweaking crates.io crate cmajor 0.2.0
[INFO] tweaked toml for crates.io crate cmajor 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cmajor 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtrb v0.2.3
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded assert_no_alloc v1.1.2
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded alsa v0.7.1
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.11.2
[INFO] [stderr]   Downloaded jni v0.20.0
[INFO] [stderr]   Downloaded indexmap v2.0.0
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded cpal v0.15.2
[INFO] [stderr]   Downloaded dotenvy v0.15.7
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded windows v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 481630bb0f489af956a97f12d5d1b31fe68fad01fa3fe7a315632612cbeee858
[INFO] running `Command { std: "docker" "start" "-a" "481630bb0f489af956a97f12d5d1b31fe68fad01fa3fe7a315632612cbeee858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "481630bb0f489af956a97f12d5d1b31fe68fad01fa3fe7a315632612cbeee858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481630bb0f489af956a97f12d5d1b31fe68fad01fa3fe7a315632612cbeee858", kill_on_drop: false }`
[INFO] [stdout] 481630bb0f489af956a97f12d5d1b31fe68fad01fa3fe7a315632612cbeee858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b72b7717f3e806ef7a625329deae8f2d56e0e8478c9dd658648496adf69e2a7
[INFO] running `Command { std: "docker" "start" "-a" "6b72b7717f3e806ef7a625329deae8f2d56e0e8478c9dd658648496adf69e2a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking assert_no_alloc v1.1.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rtrb v0.2.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cmajor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `string::CmajorStringPtr`
[INFO] [stdout]   --> src/ffi/mod.rs:19:70
[INFO] [stdout]    |
[INFO] [stdout] 19 |     engine::EnginePtr, performer::PerformerPtr, program::ProgramPtr, string::CmajorStringPtr,
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::CmajorStringPtr`
[INFO] [stdout]   --> src/ffi/mod.rs:19:70
[INFO] [stdout]    |
[INFO] [stdout] 19 |     engine::EnginePtr, performer::PerformerPtr, program::ProgramPtr, string::CmajorStringPtr,
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.71s
[INFO] running `Command { std: "docker" "inspect" "6b72b7717f3e806ef7a625329deae8f2d56e0e8478c9dd658648496adf69e2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b72b7717f3e806ef7a625329deae8f2d56e0e8478c9dd658648496adf69e2a7", kill_on_drop: false }`
[INFO] [stdout] 6b72b7717f3e806ef7a625329deae8f2d56e0e8478c9dd658648496adf69e2a7