[INFO] fetching crate docuglot 0.7.0...
[INFO] checking docuglot-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate docuglot 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate docuglot 0.7.0 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 docuglot 0.7.0
[INFO] finished tweaking crates.io crate docuglot 0.7.0
[INFO] tweaked toml for crates.io crate docuglot 0.7.0 written to /workspace/builds/worker-0-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 45 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cur v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding cur_macro v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding lsp-types v0.88.0 (latest: v0.95.1)
[INFO] [stderr]       Adding market v0.26.0 (latest: v0.30.1)
[INFO] [stderr]       Adding parse-display v0.1.2 (latest: v0.9.0)
[INFO] [stderr]       Adding parse-display-derive v0.1.2 (latest: v0.9.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 parse-display-derive v0.1.2
[INFO] [stderr]   Downloaded cur_macro v0.4.0
[INFO] [stderr]   Downloaded lsp-types v0.88.0
[INFO] [stderr]   Downloaded conventus v0.3.0
[INFO] [stderr]   Downloaded market v0.26.0
[INFO] [stderr]   Downloaded market_derive v0.1.0
[INFO] [stderr]   Downloaded parse-display v0.1.2
[INFO] [stderr]   Downloaded cur v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e69b019f78c7c5b3059971702dccb480f320c3a4b8d69fb9a764fe88f75bab1
[INFO] running `Command { std: "docker" "start" "-a" "3e69b019f78c7c5b3059971702dccb480f320c3a4b8d69fb9a764fe88f75bab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e69b019f78c7c5b3059971702dccb480f320c3a4b8d69fb9a764fe88f75bab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e69b019f78c7c5b3059971702dccb480f320c3a4b8d69fb9a764fe88f75bab1", kill_on_drop: false }`
[INFO] [stdout] 3e69b019f78c7c5b3059971702dccb480f320c3a4b8d69fb9a764fe88f75bab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2fe404c1794bf5c5604dbf54e9743ba86648fc6639dc12fcfcd81a3e42ef6768
[INFO] running `Command { std: "docker" "start" "-a" "2fe404c1794bf5c5604dbf54e9743ba86648fc6639dc12fcfcd81a3e42ef6768", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking lsp-types v0.88.0
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling parse-display-derive v0.1.2
[INFO] [stderr]    Compiling cur_macro v0.4.0
[INFO] [stderr]    Compiling market_derive v0.1.0
[INFO] [stderr]     Checking cur v0.4.0
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking conventus v0.3.0
[INFO] [stderr]     Checking parse-display v0.1.2
[INFO] [stderr]     Checking market v0.26.0
[INFO] [stderr]     Checking docuglot v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `status_consumer` is never read
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Tongue {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     status_consumer: CrossbeamConsumer<ExitStatus>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tongue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `status_consumer` is never read
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Tongue {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     status_consumer: CrossbeamConsumer<ExitStatus>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tongue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "2fe404c1794bf5c5604dbf54e9743ba86648fc6639dc12fcfcd81a3e42ef6768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe404c1794bf5c5604dbf54e9743ba86648fc6639dc12fcfcd81a3e42ef6768", kill_on_drop: false }`
[INFO] [stdout] 2fe404c1794bf5c5604dbf54e9743ba86648fc6639dc12fcfcd81a3e42ef6768
[INFO] checking docuglot-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate docuglot 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate docuglot 0.7.0 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 docuglot 0.7.0
[INFO] finished tweaking crates.io crate docuglot 0.7.0
[INFO] tweaked toml for crates.io crate docuglot 0.7.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3ab0e1162ed1a31daa13b3fa279618f3784c20f6d5e84da4468d32b94ff762a8
[INFO] running `Command { std: "docker" "start" "-a" "3ab0e1162ed1a31daa13b3fa279618f3784c20f6d5e84da4468d32b94ff762a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab0e1162ed1a31daa13b3fa279618f3784c20f6d5e84da4468d32b94ff762a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab0e1162ed1a31daa13b3fa279618f3784c20f6d5e84da4468d32b94ff762a8", kill_on_drop: false }`
[INFO] [stdout] 3ab0e1162ed1a31daa13b3fa279618f3784c20f6d5e84da4468d32b94ff762a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fc7efba83e22be5dcd1b91cf6beb2d340362dcac537c9eaf0bbc629632360030
[INFO] running `Command { std: "docker" "start" "-a" "fc7efba83e22be5dcd1b91cf6beb2d340362dcac537c9eaf0bbc629632360030", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling serde_repr v0.1.18
[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] [stderr]     Checking idna v0.5.0
[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" "fc7efba83e22be5dcd1b91cf6beb2d340362dcac537c9eaf0bbc629632360030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7efba83e22be5dcd1b91cf6beb2d340362dcac537c9eaf0bbc629632360030", kill_on_drop: false }`
[INFO] [stdout] fc7efba83e22be5dcd1b91cf6beb2d340362dcac537c9eaf0bbc629632360030