[INFO] fetching crate srgn 0.7.0...
[INFO] checking srgn-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate srgn 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate srgn 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 srgn 0.7.0
[INFO] finished tweaking crates.io crate srgn 0.7.0
[INFO] tweaked toml for crates.io crate srgn 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate srgn 0.7.0 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a935aa71d3356a795c5d38ec809fc6b8e8f50b6bd8f81976f57b9a5f13fbe6b9
[INFO] running `Command { std: "docker" "start" "-a" "a935aa71d3356a795c5d38ec809fc6b8e8f50b6bd8f81976f57b9a5f13fbe6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a935aa71d3356a795c5d38ec809fc6b8e8f50b6bd8f81976f57b9a5f13fbe6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a935aa71d3356a795c5d38ec809fc6b8e8f50b6bd8f81976f57b9a5f13fbe6b9", kill_on_drop: false }`
[INFO] [stdout] a935aa71d3356a795c5d38ec809fc6b8e8f50b6bd8f81976f57b9a5f13fbe6b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "fa5157c71b75a67c65e7d54d11c7996214e7b78067c1dbdf331db9fe1e34260e", kill_on_drop: false }`
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[INFO] [stderr]     Checking rand_xorshift v0.3.0
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[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling cached_proc_macro v0.17.0
[INFO] [stderr]     Checking proptest v1.2.0
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking cached v0.44.0
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking bincode v1.3.3
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[INFO] [stderr] warning: srgn@0.7.0: Dropped 1453249 compound words (699407 remaining); see '"/opt/rustwide/target/debug/build/srgn-7bfb5a412979451e/output"' for a list.
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/actions/german/driver.rs:498:23
[INFO] [stdout]     |
[INFO] [stdout] 498 |         .map_or(true, std::vec::Vec::is_empty));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![warn(unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 498 -         .map_or(true, std::vec::Vec::is_empty));
[INFO] [stdout] 498 +         .map_or(true, Vec::is_empty));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/actions/german/words.rs:205:32
[INFO] [stdout]     |
[INFO] [stdout] 205 |             cloned.sort_by_key(crate::actions::german::words::Replacement::start);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 205 -             cloned.sort_by_key(crate::actions::german::words::Replacement::start);
[INFO] [stdout] 205 +             cloned.sort_by_key(Replacement::start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/scoping/view.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                     .map(std::convert::Into::into)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 216 -                     .map(std::convert::Into::into)
[INFO] [stdout] 216 +                     .map(Into::into)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/actions/german/driver.rs:498:23
[INFO] [stdout]     |
[INFO] [stdout] 498 |         .map_or(true, std::vec::Vec::is_empty));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![warn(unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 498 -         .map_or(true, std::vec::Vec::is_empty));
[INFO] [stdout] 498 +         .map_or(true, Vec::is_empty));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/actions/german/words.rs:205:32
[INFO] [stdout]     |
[INFO] [stdout] 205 |             cloned.sort_by_key(crate::actions::german::words::Replacement::start);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 205 -             cloned.sort_by_key(crate::actions::german::words::Replacement::start);
[INFO] [stdout] 205 +             cloned.sort_by_key(Replacement::start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/scoping/regex.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |         use rand;
[INFO] [stdout]     |             ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/scoping/view.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                     .map(std::convert::Into::into)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 216 -                     .map(std::convert::Into::into)
[INFO] [stdout] 216 +                     .map(Into::into)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.37s
[INFO] running `Command { std: "docker" "inspect" "fa5157c71b75a67c65e7d54d11c7996214e7b78067c1dbdf331db9fe1e34260e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5157c71b75a67c65e7d54d11c7996214e7b78067c1dbdf331db9fe1e34260e", kill_on_drop: false }`
[INFO] [stdout] fa5157c71b75a67c65e7d54d11c7996214e7b78067c1dbdf331db9fe1e34260e
[INFO] checking srgn-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate srgn 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate srgn 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 srgn 0.7.0
[INFO] finished tweaking crates.io crate srgn 0.7.0
[INFO] tweaked toml for crates.io crate srgn 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate srgn 0.7.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c1938ce1b0fd754288771a5b7760888530714bd58663d13ace498810d9ade6a8
[INFO] running `Command { std: "docker" "start" "-a" "c1938ce1b0fd754288771a5b7760888530714bd58663d13ace498810d9ade6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1938ce1b0fd754288771a5b7760888530714bd58663d13ace498810d9ade6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1938ce1b0fd754288771a5b7760888530714bd58663d13ace498810d9ade6a8", kill_on_drop: false }`
[INFO] [stdout] c1938ce1b0fd754288771a5b7760888530714bd58663d13ace498810d9ade6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 94da63eba867d880f98eb70a36ef4ac2427e1aa0c4be894da71852858e96bf91
[INFO] running `Command { std: "docker" "start" "-a" "94da63eba867d880f98eb70a36ef4ac2427e1aa0c4be894da71852858e96bf91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode_titlecase v2.2.1
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.16/src/sync/parker.rs:371:25
[INFO] [stdout]     |
[INFO] [stdout] 371 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 372 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 373 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 374 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling rustix v0.37.26
[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" "94da63eba867d880f98eb70a36ef4ac2427e1aa0c4be894da71852858e96bf91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94da63eba867d880f98eb70a36ef4ac2427e1aa0c4be894da71852858e96bf91", kill_on_drop: false }`
[INFO] [stdout] 94da63eba867d880f98eb70a36ef4ac2427e1aa0c4be894da71852858e96bf91