[INFO] fetching crate mcap 0.9.0...
[INFO] checking mcap-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mcap 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mcap 0.9.0 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 mcap 0.9.0
[INFO] finished tweaking crates.io crate mcap 0.9.0
[INFO] tweaked toml for crates.io crate mcap 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mcap 0.9.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded darling_core v0.20.3
[INFO] [stderr]   Downloaded darling_macro v0.20.3
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]   Downloaded binrw_derive v0.12.0
[INFO] [stderr]   Downloaded binrw v0.12.0
[INFO] [stderr]   Downloaded lz4_flex v0.11.1
[INFO] [stderr]   Downloaded darling v0.20.3
[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] 4773af9e0441ac65b8e5d90e299a35279400ba2f014366e85ea39d910ccdfbde
[INFO] running `Command { std: "docker" "start" "-a" "4773af9e0441ac65b8e5d90e299a35279400ba2f014366e85ea39d910ccdfbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4773af9e0441ac65b8e5d90e299a35279400ba2f014366e85ea39d910ccdfbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4773af9e0441ac65b8e5d90e299a35279400ba2f014366e85ea39d910ccdfbde", kill_on_drop: false }`
[INFO] [stdout] 4773af9e0441ac65b8e5d90e299a35279400ba2f014366e85ea39d910ccdfbde
[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] dcce28be76d8995a0f9f4895d73ec4853bdc34e9526ee1bdefb20e397c21746c
[INFO] running `Command { std: "docker" "start" "-a" "dcce28be76d8995a0f9f4895d73ec4853bdc34e9526ee1bdefb20e397c21746c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking mcap v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.88s
[INFO] running `Command { std: "docker" "inspect" "dcce28be76d8995a0f9f4895d73ec4853bdc34e9526ee1bdefb20e397c21746c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcce28be76d8995a0f9f4895d73ec4853bdc34e9526ee1bdefb20e397c21746c", kill_on_drop: false }`
[INFO] [stdout] dcce28be76d8995a0f9f4895d73ec4853bdc34e9526ee1bdefb20e397c21746c
[INFO] checking mcap-0.9.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate mcap 0.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mcap 0.9.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcap 0.9.0
[INFO] finished tweaking crates.io crate mcap 0.9.0
[INFO] tweaked toml for crates.io crate mcap 0.9.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mcap 0.9.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e7a4765594a537665bb27057dd21122c85a111f4321bc755c27e177ae5b2ad
[INFO] running `Command { std: "docker" "start" "-a" "34e7a4765594a537665bb27057dd21122c85a111f4321bc755c27e177ae5b2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e7a4765594a537665bb27057dd21122c85a111f4321bc755c27e177ae5b2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e7a4765594a537665bb27057dd21122c85a111f4321bc755c27e177ae5b2ad", kill_on_drop: false }`
[INFO] [stdout] 34e7a4765594a537665bb27057dd21122c85a111f4321bc755c27e177ae5b2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7199597bb233562735a148c3dffee6edf4b26aedd79df53156ff9278c90434
[INFO] running `Command { std: "docker" "start" "-a" "ea7199597bb233562735a148c3dffee6edf4b26aedd79df53156ff9278c90434", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/enumset_derive-0.8.1/src/lib.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |                     error(expr.span(), "Enum discriminants must not be negative.")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the function `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/enumset_derive-0.8.1/src/lib.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 | /             error(
[INFO] [stdout] 284 | |                 largest_discriminant_span,
[INFO] [stdout] 285 | |                 "`repr` is too small to contain the largest discriminant.",
[INFO] [stdout] 286 | |             )?;
[INFO] [stdout]     | |_____________^ cannot infer type for type parameter `T` declared on the function `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enumset_derive` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea7199597bb233562735a148c3dffee6edf4b26aedd79df53156ff9278c90434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7199597bb233562735a148c3dffee6edf4b26aedd79df53156ff9278c90434", kill_on_drop: false }`
[INFO] [stdout] ea7199597bb233562735a148c3dffee6edf4b26aedd79df53156ff9278c90434