[INFO] fetching crate pipeviewer-exercise 0.1.0...
[INFO] checking pipeviewer-exercise-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pipeviewer-exercise 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pipeviewer-exercise 0.1.0 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 pipeviewer-exercise 0.1.0
[INFO] finished tweaking crates.io crate pipeviewer-exercise 0.1.0
[INFO] tweaked toml for crates.io crate pipeviewer-exercise 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pipeviewer-exercise 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a2a6e9d19d45a95abdeaaa46b022e933029f6990c6b65c038cb594624236f6ea
[INFO] running `Command { std: "docker" "start" "-a" "a2a6e9d19d45a95abdeaaa46b022e933029f6990c6b65c038cb594624236f6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a6e9d19d45a95abdeaaa46b022e933029f6990c6b65c038cb594624236f6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a6e9d19d45a95abdeaaa46b022e933029f6990c6b65c038cb594624236f6ea", kill_on_drop: false }`
[INFO] [stdout] a2a6e9d19d45a95abdeaaa46b022e933029f6990c6b65c038cb594624236f6ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 37e531b1260ea8205b1b2c813ee2176372d9eb6f353a4a13c88748bc1ff8867d
[INFO] running `Command { std: "docker" "start" "-a" "37e531b1260ea8205b1b2c813ee2176372d9eb6f353a4a13c88748bc1ff8867d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking pipeviewer-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "37e531b1260ea8205b1b2c813ee2176372d9eb6f353a4a13c88748bc1ff8867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e531b1260ea8205b1b2c813ee2176372d9eb6f353a4a13c88748bc1ff8867d", kill_on_drop: false }`
[INFO] [stdout] 37e531b1260ea8205b1b2c813ee2176372d9eb6f353a4a13c88748bc1ff8867d
[INFO] checking pipeviewer-exercise-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate pipeviewer-exercise 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pipeviewer-exercise 0.1.0 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 pipeviewer-exercise 0.1.0
[INFO] finished tweaking crates.io crate pipeviewer-exercise 0.1.0
[INFO] tweaked toml for crates.io crate pipeviewer-exercise 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate pipeviewer-exercise 0.1.0 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53dcff159520c1101ff5c4c4988e3abd747ca1d3d02d9289d9ee23a02d9f761
[INFO] running `Command { std: "docker" "start" "-a" "a53dcff159520c1101ff5c4c4988e3abd747ca1d3d02d9289d9ee23a02d9f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53dcff159520c1101ff5c4c4988e3abd747ca1d3d02d9289d9ee23a02d9f761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53dcff159520c1101ff5c4c4988e3abd747ca1d3d02d9289d9ee23a02d9f761", kill_on_drop: false }`
[INFO] [stdout] a53dcff159520c1101ff5c4c4988e3abd747ca1d3d02d9289d9ee23a02d9f761
[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=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] 7f352428bc53c61bcf56a29f24bea0fe0f7a4faacd811153089220a2b7ce4849
[INFO] running `Command { std: "docker" "start" "-a" "7f352428bc53c61bcf56a29f24bea0fe0f7a4faacd811153089220a2b7ce4849", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.1
[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] [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] 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" "7f352428bc53c61bcf56a29f24bea0fe0f7a4faacd811153089220a2b7ce4849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f352428bc53c61bcf56a29f24bea0fe0f7a4faacd811153089220a2b7ce4849", kill_on_drop: false }`
[INFO] [stdout] 7f352428bc53c61bcf56a29f24bea0fe0f7a4faacd811153089220a2b7ce4849