[INFO] fetching crate json-minimal-tests 0.1.9...
[INFO] checking json-minimal-tests-0.1.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate json-minimal-tests 0.1.9 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate json-minimal-tests 0.1.9 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 json-minimal-tests 0.1.9
[INFO] finished tweaking crates.io crate json-minimal-tests 0.1.9
[INFO] tweaked toml for crates.io crate json-minimal-tests 0.1.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate json-minimal-tests 0.1.9 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 utf8-width v0.1.5
[INFO] [stderr]   Downloaded assert-json-diff v2.0.1
[INFO] [stderr]   Downloaded html-escape v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea0fa8854cb8ed6d648f57aff5b59551680e0d6a4f29248ac16a182271bb410e
[INFO] running `Command { std: "docker" "start" "-a" "ea0fa8854cb8ed6d648f57aff5b59551680e0d6a4f29248ac16a182271bb410e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0fa8854cb8ed6d648f57aff5b59551680e0d6a4f29248ac16a182271bb410e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0fa8854cb8ed6d648f57aff5b59551680e0d6a4f29248ac16a182271bb410e", kill_on_drop: false }`
[INFO] [stdout] ea0fa8854cb8ed6d648f57aff5b59551680e0d6a4f29248ac16a182271bb410e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0a51ab856b8eb3b51fb2d06e93107240705a78b222b6fd4d4f13f0d25f6d5ef5
[INFO] running `Command { std: "docker" "start" "-a" "0a51ab856b8eb3b51fb2d06e93107240705a78b222b6fd4d4f13f0d25f6d5ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking html-escape v0.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking json-minimal-tests v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "0a51ab856b8eb3b51fb2d06e93107240705a78b222b6fd4d4f13f0d25f6d5ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a51ab856b8eb3b51fb2d06e93107240705a78b222b6fd4d4f13f0d25f6d5ef5", kill_on_drop: false }`
[INFO] [stdout] 0a51ab856b8eb3b51fb2d06e93107240705a78b222b6fd4d4f13f0d25f6d5ef5
[INFO] checking json-minimal-tests-0.1.9 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate json-minimal-tests 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate json-minimal-tests 0.1.9 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 json-minimal-tests 0.1.9
[INFO] finished tweaking crates.io crate json-minimal-tests 0.1.9
[INFO] tweaked toml for crates.io crate json-minimal-tests 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate json-minimal-tests 0.1.9 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f0564f7c7afd8b8b1985d1da5bda261451370412977a1e31625216b4f3c7c1bc
[INFO] running `Command { std: "docker" "start" "-a" "f0564f7c7afd8b8b1985d1da5bda261451370412977a1e31625216b4f3c7c1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0564f7c7afd8b8b1985d1da5bda261451370412977a1e31625216b4f3c7c1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0564f7c7afd8b8b1985d1da5bda261451370412977a1e31625216b4f3c7c1bc", kill_on_drop: false }`
[INFO] [stdout] f0564f7c7afd8b8b1985d1da5bda261451370412977a1e31625216b4f3c7c1bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5895f546720cc6be82826ee178fd801625d741e9b7f65f7c2a0a1c4dff06c730
[INFO] running `Command { std: "docker" "start" "-a" "5895f546720cc6be82826ee178fd801625d741e9b7f65f7c2a0a1c4dff06c730", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling crossbeam-queue v0.3.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking html-escape v0.2.9
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.6/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" "5895f546720cc6be82826ee178fd801625d741e9b7f65f7c2a0a1c4dff06c730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5895f546720cc6be82826ee178fd801625d741e9b7f65f7c2a0a1c4dff06c730", kill_on_drop: false }`
[INFO] [stdout] 5895f546720cc6be82826ee178fd801625d741e9b7f65f7c2a0a1c4dff06c730