[INFO] cloning repository https://github.com/Measter/rust_wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Measter/rust_wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frust_wc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frust_wc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d714778d507dd9ebe6efda9099b290663ca7b71e
[INFO] checking Measter/rust_wc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frust_wc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Measter/rust_wc 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 git repo https://github.com/Measter/rust_wc
[INFO] finished tweaking git repo https://github.com/Measter/rust_wc
[INFO] tweaked toml for git repo https://github.com/Measter/rust_wc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Measter/rust_wc 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 os_str_bytes v6.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f83c77957844e2993f99d39e8c781d89662b9b41fa8e6242fb6fa60b70acdb64
[INFO] running `Command { std: "docker" "start" "-a" "f83c77957844e2993f99d39e8c781d89662b9b41fa8e6242fb6fa60b70acdb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83c77957844e2993f99d39e8c781d89662b9b41fa8e6242fb6fa60b70acdb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83c77957844e2993f99d39e8c781d89662b9b41fa8e6242fb6fa60b70acdb64", kill_on_drop: false }`
[INFO] [stdout] f83c77957844e2993f99d39e8c781d89662b9b41fa8e6242fb6fa60b70acdb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e6168c9383ccfdecc0e27b9594f9d32958b9ea4c0c14087e2c9834797ac5a212
[INFO] running `Command { std: "docker" "start" "-a" "e6168c9383ccfdecc0e27b9594f9d32958b9ea4c0c14087e2c9834797ac5a212", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking wc_r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "e6168c9383ccfdecc0e27b9594f9d32958b9ea4c0c14087e2c9834797ac5a212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6168c9383ccfdecc0e27b9594f9d32958b9ea4c0c14087e2c9834797ac5a212", kill_on_drop: false }`
[INFO] [stdout] e6168c9383ccfdecc0e27b9594f9d32958b9ea4c0c14087e2c9834797ac5a212
[INFO] checking Measter/rust_wc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frust_wc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Measter/rust_wc 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 git repo https://github.com/Measter/rust_wc
[INFO] finished tweaking git repo https://github.com/Measter/rust_wc
[INFO] tweaked toml for git repo https://github.com/Measter/rust_wc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Measter/rust_wc 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 70e0cf0f54c5989c87554a9e4f8bbd30705079002ab2f823cf084453055ecc17
[INFO] running `Command { std: "docker" "start" "-a" "70e0cf0f54c5989c87554a9e4f8bbd30705079002ab2f823cf084453055ecc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e0cf0f54c5989c87554a9e4f8bbd30705079002ab2f823cf084453055ecc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e0cf0f54c5989c87554a9e4f8bbd30705079002ab2f823cf084453055ecc17", kill_on_drop: false }`
[INFO] [stdout] 70e0cf0f54c5989c87554a9e4f8bbd30705079002ab2f823cf084453055ecc17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5d5064d0c01dea40e02d3027a239bea6dfe1f8991e4b5fe2408c8e73cbdee2e3
[INFO] running `Command { std: "docker" "start" "-a" "5d5064d0c01dea40e02d3027a239bea6dfe1f8991e4b5fe2408c8e73cbdee2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.8/src/sync/parker.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 367 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 368 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 369 | |                         };
[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" "5d5064d0c01dea40e02d3027a239bea6dfe1f8991e4b5fe2408c8e73cbdee2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5064d0c01dea40e02d3027a239bea6dfe1f8991e4b5fe2408c8e73cbdee2e3", kill_on_drop: false }`
[INFO] [stdout] 5d5064d0c01dea40e02d3027a239bea6dfe1f8991e4b5fe2408c8e73cbdee2e3