[INFO] fetching crate slow5 0.11.0...
[INFO] checking slow5-0.11.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate slow5 0.11.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate slow5 0.11.0 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 slow5 0.11.0
[INFO] finished tweaking crates.io crate slow5 0.11.0
[INFO] tweaked toml for crates.io crate slow5 0.11.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate slow5 0.11.0 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 assert_fs v1.0.9
[INFO] [stderr]   Downloaded serde_test v1.0.152
[INFO] [stderr]   Downloaded cstr v0.2.11
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] [stderr]   Downloaded predicates v2.1.3
[INFO] [stderr]   Downloaded prettyplease v0.2.13
[INFO] [stderr]   Downloaded syn v2.0.30
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded slow5lib-sys v0.9.0+slow5lib.1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 40893b385857594728f24a0b3f7226905d92c8958b85e000a67da02d165abb3b
[INFO] running `Command { std: "docker" "start" "-a" "40893b385857594728f24a0b3f7226905d92c8958b85e000a67da02d165abb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40893b385857594728f24a0b3f7226905d92c8958b85e000a67da02d165abb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40893b385857594728f24a0b3f7226905d92c8958b85e000a67da02d165abb3b", kill_on_drop: false }`
[INFO] [stdout] 40893b385857594728f24a0b3f7226905d92c8958b85e000a67da02d165abb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a91c39102b406b3b06a355798f3ebc02f794eb0cc0f0f92319e9780ff4a47d7
[INFO] running `Command { std: "docker" "start" "-a" "1a91c39102b406b3b06a355798f3ebc02f794eb0cc0f0f92319e9780ff4a47d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.13
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling dunce v1.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling syn v2.0.30
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling serde_test v1.0.152
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling cstr v0.2.11
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]     Checking predicates v2.1.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.9
[INFO] [stderr]     Checking version-sync v0.9.4
[INFO] [stderr]    Compiling slow5lib-sys v0.9.0+slow5lib.1.1.0
[INFO] [stderr]     Checking slow5 v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FileReader` is imported redundantly
[INFO] [stdout]    --> src/record.rs:590:50
[INFO] [stdout]     |
[INFO] [stdout] 589 |     use super::*;
[INFO] [stdout]     |         -------- the item `FileReader` is already imported here
[INFO] [stdout] 590 |     use crate::{auxiliary::FieldType, EnumField, FileReader, FileWriter};
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FileWriter` is imported redundantly
[INFO] [stdout]    --> src/record.rs:590:62
[INFO] [stdout]     |
[INFO] [stdout] 589 |     use super::*;
[INFO] [stdout]     |         -------- the item `FileWriter` is already imported here
[INFO] [stdout] 590 |     use crate::{auxiliary::FieldType, EnumField, FileReader, FileWriter};
[INFO] [stdout]     |                                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/auxiliary.rs:382:15
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub trait Sealed {}
[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] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/auxiliary.rs:382:15
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub trait Sealed {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "1a91c39102b406b3b06a355798f3ebc02f794eb0cc0f0f92319e9780ff4a47d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a91c39102b406b3b06a355798f3ebc02f794eb0cc0f0f92319e9780ff4a47d7", kill_on_drop: false }`
[INFO] [stdout] 1a91c39102b406b3b06a355798f3ebc02f794eb0cc0f0f92319e9780ff4a47d7
[INFO] checking slow5-0.11.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate slow5 0.11.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate slow5 0.11.0 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 slow5 0.11.0
[INFO] finished tweaking crates.io crate slow5 0.11.0
[INFO] tweaked toml for crates.io crate slow5 0.11.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate slow5 0.11.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a09dd3e0c7ff5f72ec3c97220ae5955967960106f225d0db2400b01ef03f6aa7
[INFO] running `Command { std: "docker" "start" "-a" "a09dd3e0c7ff5f72ec3c97220ae5955967960106f225d0db2400b01ef03f6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09dd3e0c7ff5f72ec3c97220ae5955967960106f225d0db2400b01ef03f6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09dd3e0c7ff5f72ec3c97220ae5955967960106f225d0db2400b01ef03f6aa7", kill_on_drop: false }`
[INFO] [stdout] a09dd3e0c7ff5f72ec3c97220ae5955967960106f225d0db2400b01ef03f6aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ed4a4a096bf25cee9ca87e4b21bdb660c9ae174b2caf8ff28e97fc64c18ada1
[INFO] running `Command { std: "docker" "start" "-a" "8ed4a4a096bf25cee9ca87e4b21bdb660c9ae174b2caf8ff28e97fc64c18ada1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling prettyplease v0.2.13
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling dunce v1.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.14/src/sync/parker.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 369 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 370 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 371 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling nom v7.1.1
[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]     Checking quote v1.0.33
[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" "8ed4a4a096bf25cee9ca87e4b21bdb660c9ae174b2caf8ff28e97fc64c18ada1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed4a4a096bf25cee9ca87e4b21bdb660c9ae174b2caf8ff28e97fc64c18ada1", kill_on_drop: false }`
[INFO] [stdout] 8ed4a4a096bf25cee9ca87e4b21bdb660c9ae174b2caf8ff28e97fc64c18ada1