[INFO] fetching crate pagebreak 0.9.2...
[INFO] checking pagebreak-0.9.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pagebreak 0.9.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pagebreak 0.9.2 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 pagebreak 0.9.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pagebreak 0.9.2
[INFO] tweaked toml for crates.io crate pagebreak 0.9.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate pagebreak 0.9.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sealed v0.3.0
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded kuchiki v0.8.1
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded cucumber-codegen v0.10.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.28
[INFO] [stderr]   Downloaded thiserror v1.0.28
[INFO] [stderr]   Downloaded typed-builder v0.7.1
[INFO] [stderr]   Downloaded gherkin_rust v0.10.1
[INFO] [stderr]   Downloaded cucumber v0.10.2
[INFO] [stderr]   Downloaded siphasher v0.3.6
[INFO] [stderr]   Downloaded lexiclean v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bb720befd014f796a3185930d3f402a038c3683aca52e25739f382e19b1670bd
[INFO] running `Command { std: "docker" "start" "-a" "bb720befd014f796a3185930d3f402a038c3683aca52e25739f382e19b1670bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb720befd014f796a3185930d3f402a038c3683aca52e25739f382e19b1670bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb720befd014f796a3185930d3f402a038c3683aca52e25739f382e19b1670bd", kill_on_drop: false }`
[INFO] [stdout] bb720befd014f796a3185930d3f402a038c3683aca52e25739f382e19b1670bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cec91a85df734bc10ba86dce5962aec836034d8e9f1a77be90fa28cd2b673ff1
[INFO] running `Command { std: "docker" "start" "-a" "cec91a85df734bc10ba86dce5962aec836034d8e9f1a77be90fa28cd2b673ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lexiclean v0.0.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling typed-builder v0.7.1
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling cucumber-codegen v0.10.2
[INFO] [stderr]    Compiling sealed v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking kuchiki v0.8.1
[INFO] [stderr]     Checking pagebreak v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/errors.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct PageError {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub code: PageErrorCode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gherkin_rust v0.10.1
[INFO] [stderr]     Checking cucumber v0.10.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "cec91a85df734bc10ba86dce5962aec836034d8e9f1a77be90fa28cd2b673ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec91a85df734bc10ba86dce5962aec836034d8e9f1a77be90fa28cd2b673ff1", kill_on_drop: false }`
[INFO] [stdout] cec91a85df734bc10ba86dce5962aec836034d8e9f1a77be90fa28cd2b673ff1
[INFO] checking pagebreak-0.9.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate pagebreak 0.9.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pagebreak 0.9.2 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 pagebreak 0.9.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pagebreak 0.9.2
[INFO] tweaked toml for crates.io crate pagebreak 0.9.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate pagebreak 0.9.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dcc52c33c7d69947d9304289ac9593eb9b5a610b3f04b75770ea96e46a88ae0d
[INFO] running `Command { std: "docker" "start" "-a" "dcc52c33c7d69947d9304289ac9593eb9b5a610b3f04b75770ea96e46a88ae0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc52c33c7d69947d9304289ac9593eb9b5a610b3f04b75770ea96e46a88ae0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc52c33c7d69947d9304289ac9593eb9b5a610b3f04b75770ea96e46a88ae0d", kill_on_drop: false }`
[INFO] [stdout] dcc52c33c7d69947d9304289ac9593eb9b5a610b3f04b75770ea96e46a88ae0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9cc9e16c6843a09ec06b921d04450749cd4f0e0f37a55d4f8bc9a25f68d80e74
[INFO] running `Command { std: "docker" "start" "-a" "9cc9e16c6843a09ec06b921d04450749cd4f0e0f37a55d4f8bc9a25f68d80e74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/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]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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" "9cc9e16c6843a09ec06b921d04450749cd4f0e0f37a55d4f8bc9a25f68d80e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc9e16c6843a09ec06b921d04450749cd4f0e0f37a55d4f8bc9a25f68d80e74", kill_on_drop: false }`
[INFO] [stdout] 9cc9e16c6843a09ec06b921d04450749cd4f0e0f37a55d4f8bc9a25f68d80e74