[INFO] fetching crate slowlock 0.2.0...
[INFO] checking slowlock-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate slowlock 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate slowlock 0.2.0 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 slowlock 0.2.0
[INFO] finished tweaking crates.io crate slowlock 0.2.0
[INFO] tweaked toml for crates.io crate slowlock 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate slowlock 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.11.0
[INFO] [stderr]   Downloaded aead v0.4.1
[INFO] [stderr]   Downloaded ghash v0.4.1
[INFO] [stderr]   Downloaded polyval v0.5.0
[INFO] [stderr]   Downloaded aes v0.7.0
[INFO] [stderr]   Downloaded sysinfo v0.17.3
[INFO] [stderr]   Downloaded cpufeatures v0.1.1
[INFO] [stderr]   Downloaded aes-gcm v0.9.1
[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] ba9c7821e72f5941d1b0736c76679a171ed6b2ac13df9b6f8adf7eb6db4a7c0e
[INFO] running `Command { std: "docker" "start" "-a" "ba9c7821e72f5941d1b0736c76679a171ed6b2ac13df9b6f8adf7eb6db4a7c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9c7821e72f5941d1b0736c76679a171ed6b2ac13df9b6f8adf7eb6db4a7c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9c7821e72f5941d1b0736c76679a171ed6b2ac13df9b6f8adf7eb6db4a7c0e", kill_on_drop: false }`
[INFO] [stdout] ba9c7821e72f5941d1b0736c76679a171ed6b2ac13df9b6f8adf7eb6db4a7c0e
[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] 927047159c2e7f9e80122fdad9a55ef5a2172ba059dbfb6b9321be149e2ada1c
[INFO] running `Command { std: "docker" "start" "-a" "927047159c2e7f9e80122fdad9a55ef5a2172ba059dbfb6b9321be149e2ada1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.17.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aead v0.4.1
[INFO] [stderr]     Checking polyval v0.5.0
[INFO] [stderr]     Checking aes v0.7.0
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]     Checking ghash v0.4.1
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking aes-gcm v0.9.1
[INFO] [stderr]     Checking slowlock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "927047159c2e7f9e80122fdad9a55ef5a2172ba059dbfb6b9321be149e2ada1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927047159c2e7f9e80122fdad9a55ef5a2172ba059dbfb6b9321be149e2ada1c", kill_on_drop: false }`
[INFO] [stdout] 927047159c2e7f9e80122fdad9a55ef5a2172ba059dbfb6b9321be149e2ada1c
[INFO] checking slowlock-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate slowlock 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate slowlock 0.2.0 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 slowlock 0.2.0
[INFO] finished tweaking crates.io crate slowlock 0.2.0
[INFO] tweaked toml for crates.io crate slowlock 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate slowlock 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" "+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] dbac152e7529c10a5c4cc6bac620fe974585bbfa6242379646222ab83f9c4b82
[INFO] running `Command { std: "docker" "start" "-a" "dbac152e7529c10a5c4cc6bac620fe974585bbfa6242379646222ab83f9c4b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbac152e7529c10a5c4cc6bac620fe974585bbfa6242379646222ab83f9c4b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbac152e7529c10a5c4cc6bac620fe974585bbfa6242379646222ab83f9c4b82", kill_on_drop: false }`
[INFO] [stdout] dbac152e7529c10a5c4cc6bac620fe974585bbfa6242379646222ab83f9c4b82
[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] aa80864f0c818b6547ff7b381ed741b0c7785891ad5846ca9e25e77dfccf11fa
[INFO] running `Command { std: "docker" "start" "-a" "aa80864f0c818b6547ff7b381ed741b0c7785891ad5846ca9e25e77dfccf11fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.17.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.4/src/sync/parker.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 365 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 366 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 367 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking atty v0.2.14
[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" "aa80864f0c818b6547ff7b381ed741b0c7785891ad5846ca9e25e77dfccf11fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa80864f0c818b6547ff7b381ed741b0c7785891ad5846ca9e25e77dfccf11fa", kill_on_drop: false }`
[INFO] [stdout] aa80864f0c818b6547ff7b381ed741b0c7785891ad5846ca9e25e77dfccf11fa