[INFO] fetching crate amts-prelude 0.2.4...
[INFO] checking amts-prelude-0.2.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate amts-prelude 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate amts-prelude 0.2.4 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 amts-prelude 0.2.4
[INFO] finished tweaking crates.io crate amts-prelude 0.2.4
[INFO] tweaked toml for crates.io crate amts-prelude 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 99 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64-url v1.4.13 (latest: v2.0.2)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding nats v0.9.18 (latest: v0.24.1)
[INFO] [stderr]       Adding nkeys v0.0.11 (latest: v0.4.0)
[INFO] [stderr]       Adding nuid v0.2.2 (latest: v0.5.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.19.1 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.5.0 (latest: v0.7.0)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signatory v0.21.0 (latest: v0.27.1)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[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 zeroize v1.3.0
[INFO] [stderr]   Downloaded nkeys v0.0.11
[INFO] [stderr]   Downloaded base64-url v1.4.13
[INFO] [stderr]   Downloaded ed25519 v1.5.3
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.1
[INFO] [stderr]   Downloaded nuid v0.2.2
[INFO] [stderr]   Downloaded nats v0.9.18
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.1
[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] 52c0ee5d97c546a658efd258d4d943516aaad49425698a14ff5b388b592df8f5
[INFO] running `Command { std: "docker" "start" "-a" "52c0ee5d97c546a658efd258d4d943516aaad49425698a14ff5b388b592df8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c0ee5d97c546a658efd258d4d943516aaad49425698a14ff5b388b592df8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c0ee5d97c546a658efd258d4d943516aaad49425698a14ff5b388b592df8f5", kill_on_drop: false }`
[INFO] [stdout] 52c0ee5d97c546a658efd258d4d943516aaad49425698a14ff5b388b592df8f5
[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] 529d057e34844f3a00ca0fb6f01bbad1cbb672037b150a994fe608fce410fef6
[INFO] running `Command { std: "docker" "start" "-a" "529d057e34844f3a00ca0fb6f01bbad1cbb672037b150a994fe608fce410fef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking nuid v0.2.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking nkeys v0.0.11
[INFO] [stderr]     Checking nats v0.9.18
[INFO] [stderr]     Checking amts-prelude v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "529d057e34844f3a00ca0fb6f01bbad1cbb672037b150a994fe608fce410fef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529d057e34844f3a00ca0fb6f01bbad1cbb672037b150a994fe608fce410fef6", kill_on_drop: false }`
[INFO] [stdout] 529d057e34844f3a00ca0fb6f01bbad1cbb672037b150a994fe608fce410fef6
[INFO] checking amts-prelude-0.2.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate amts-prelude 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate amts-prelude 0.2.4 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 amts-prelude 0.2.4
[INFO] finished tweaking crates.io crate amts-prelude 0.2.4
[INFO] tweaked toml for crates.io crate amts-prelude 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 96204f1698a244ba0ebad949476d3f8cda98d41a286b47b6dbbda16abc6ab3c0
[INFO] running `Command { std: "docker" "start" "-a" "96204f1698a244ba0ebad949476d3f8cda98d41a286b47b6dbbda16abc6ab3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96204f1698a244ba0ebad949476d3f8cda98d41a286b47b6dbbda16abc6ab3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96204f1698a244ba0ebad949476d3f8cda98d41a286b47b6dbbda16abc6ab3c0", kill_on_drop: false }`
[INFO] [stdout] 96204f1698a244ba0ebad949476d3f8cda98d41a286b47b6dbbda16abc6ab3c0
[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] 233a2f8fc9946b0b10192f77273bd7a68bf55f2169b9e34dcfc43094ece0b3c4
[INFO] running `Command { std: "docker" "start" "-a" "233a2f8fc9946b0b10192f77273bd7a68bf55f2169b9e34dcfc43094ece0b3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[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]    Compiling syn v2.0.58
[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" "233a2f8fc9946b0b10192f77273bd7a68bf55f2169b9e34dcfc43094ece0b3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233a2f8fc9946b0b10192f77273bd7a68bf55f2169b9e34dcfc43094ece0b3c4", kill_on_drop: false }`
[INFO] [stdout] 233a2f8fc9946b0b10192f77273bd7a68bf55f2169b9e34dcfc43094ece0b3c4