[INFO] fetching crate ludtwig 0.8.0...
[INFO] checking ludtwig-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ludtwig 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ludtwig 0.8.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ludtwig 0.8.0
[INFO] finished tweaking crates.io crate ludtwig 0.8.0
[INFO] tweaked toml for crates.io crate ludtwig 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ludtwig 0.8.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded figment v0.10.7
[INFO] [stderr]   Downloaded clap_derive v4.0.1
[INFO] [stderr]   Downloaded rowan v0.15.10
[INFO] [stderr]   Downloaded clap v4.0.5
[INFO] [stderr]   Downloaded dissimilar v1.0.4
[INFO] [stderr]   Downloaded ludtwig-parser v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 654165bca9975949214d41160a8957674c3cc9e3b6cf297ef38322c4cf352ca2
[INFO] running `Command { std: "docker" "start" "-a" "654165bca9975949214d41160a8957674c3cc9e3b6cf297ef38322c4cf352ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "654165bca9975949214d41160a8957674c3cc9e3b6cf297ef38322c4cf352ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654165bca9975949214d41160a8957674c3cc9e3b6cf297ef38322c4cf352ca2", kill_on_drop: false }`
[INFO] [stdout] 654165bca9975949214d41160a8957674c3cc9e3b6cf297ef38322c4cf352ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296c0d40bdcb56608fd84c3ce906243ab8ee3085ff613f9f88b2f7b9841513b1
[INFO] running `Command { std: "docker" "start" "-a" "296c0d40bdcb56608fd84c3ce906243ab8ee3085ff613f9f88b2f7b9841513b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling figment v0.10.7
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking dissimilar v1.0.4
[INFO] [stderr]     Checking rowan v0.15.10
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking expect-test v1.4.0
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling clap_derive v4.0.1
[INFO] [stderr]     Checking pear v0.2.3
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking ludtwig-parser v0.5.0
[INFO] [stderr]     Checking clap v4.0.5
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking ludtwig v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "296c0d40bdcb56608fd84c3ce906243ab8ee3085ff613f9f88b2f7b9841513b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296c0d40bdcb56608fd84c3ce906243ab8ee3085ff613f9f88b2f7b9841513b1", kill_on_drop: false }`
[INFO] [stdout] 296c0d40bdcb56608fd84c3ce906243ab8ee3085ff613f9f88b2f7b9841513b1
[INFO] checking ludtwig-0.8.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ludtwig 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ludtwig 0.8.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ludtwig 0.8.0
[INFO] finished tweaking crates.io crate ludtwig 0.8.0
[INFO] tweaked toml for crates.io crate ludtwig 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ludtwig 0.8.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9816dad7f8b1b2a3ce9213150293b4f5e4a78e280f1fac09c2fd86f4a9bdcda
[INFO] running `Command { std: "docker" "start" "-a" "c9816dad7f8b1b2a3ce9213150293b4f5e4a78e280f1fac09c2fd86f4a9bdcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9816dad7f8b1b2a3ce9213150293b4f5e4a78e280f1fac09c2fd86f4a9bdcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9816dad7f8b1b2a3ce9213150293b4f5e4a78e280f1fac09c2fd86f4a9bdcda", kill_on_drop: false }`
[INFO] [stdout] c9816dad7f8b1b2a3ce9213150293b4f5e4a78e280f1fac09c2fd86f4a9bdcda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af3d9be39fa7751a60cf648c7184f4959c975b4ead03b8a386444b674dc73ea8
[INFO] running `Command { std: "docker" "start" "-a" "af3d9be39fa7751a60cf648c7184f4959c975b4ead03b8a386444b674dc73ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.11/src/sync/parker.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 369 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 370 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 371 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "af3d9be39fa7751a60cf648c7184f4959c975b4ead03b8a386444b674dc73ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3d9be39fa7751a60cf648c7184f4959c975b4ead03b8a386444b674dc73ea8", kill_on_drop: false }`
[INFO] [stdout] af3d9be39fa7751a60cf648c7184f4959c975b4ead03b8a386444b674dc73ea8