[INFO] fetching crate rustfst 0.13.5...
[INFO] testing rustfst-0.13.5 against 1.76.0 for beta-1.77-1
[INFO] extracting crate rustfst 0.13.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rustfst 0.13.5 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfst 0.13.5
[INFO] finished tweaking crates.io crate rustfst 0.13.5
[INFO] tweaked toml for crates.io crate rustfst 0.13.5 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binary-heap-plus v0.1.6
[INFO] [stderr]   Downloaded stfu8 v0.2.7
[INFO] [stderr]   Downloaded counter v0.4.3
[INFO] [stderr]   Downloaded ordered_iter v0.1.2
[INFO] [stderr]   Downloaded bimap v0.3.1
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded compare v0.0.6
[INFO] [stderr]   Downloaded stable_bst v0.2.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a43c3c2ef0ab6d0044d68d543590a8717051436fde4049b1af6d69cbf8b4211a
[INFO] running `Command { std: "docker" "start" "-a" "a43c3c2ef0ab6d0044d68d543590a8717051436fde4049b1af6d69cbf8b4211a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a43c3c2ef0ab6d0044d68d543590a8717051436fde4049b1af6d69cbf8b4211a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43c3c2ef0ab6d0044d68d543590a8717051436fde4049b1af6d69cbf8b4211a", kill_on_drop: false }`
[INFO] [stdout] a43c3c2ef0ab6d0044d68d543590a8717051436fde4049b1af6d69cbf8b4211a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62993a6dd519abca053dd84d33997d761291cb06e7236139b4f8217ff6c8b658
[INFO] running `Command { std: "docker" "start" "-a" "62993a6dd519abca053dd84d33997d761291cb06e7236139b4f8217ff6c8b658", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling compare v0.0.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling ordered_iter v0.1.2
[INFO] [stderr]    Compiling bimap v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling stable_bst v0.2.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling binary-heap-plus v0.1.6
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling rustfst v0.13.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/algorithms/rm_epsilon/rm_epsilon_state.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout]    |                                      ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout] 74 +                     if !self.visited[tr.nextstate as usize] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FinalState`, `Transition`
[INFO] [stdout]  --> src/parsers/text_fst/mod.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::parsed_text_fst::{FinalState, ParsedTextFst, Transition};
[INFO] [stdout]   |                                 ^^^^^^^^^^                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/partition.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut this_class = &mut self.classes[class_id];
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/partition.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut this_element = &mut self.elements[element_id];
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "62993a6dd519abca053dd84d33997d761291cb06e7236139b4f8217ff6c8b658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62993a6dd519abca053dd84d33997d761291cb06e7236139b4f8217ff6c8b658", kill_on_drop: false }`
[INFO] [stdout] 62993a6dd519abca053dd84d33997d761291cb06e7236139b4f8217ff6c8b658
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 107ca0b54cefadf3694ad2b6cd4a135d3351c029f1e84fb9d0276b2888ae3b19
[INFO] running `Command { std: "docker" "start" "-a" "107ca0b54cefadf3694ad2b6cd4a135d3351c029f1e84fb9d0276b2888ae3b19", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling stfu8 v0.2.7
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling path_abs v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling counter v0.4.3
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/algorithms/rm_epsilon/rm_epsilon_state.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout]    |                                      ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout] 74 +                     if !self.visited[tr.nextstate as usize] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FinalState`, `Transition`
[INFO] [stdout]  --> src/parsers/text_fst/mod.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::parsed_text_fst::{FinalState, ParsedTextFst, Transition};
[INFO] [stdout]   |                                 ^^^^^^^^^^                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/partition.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut this_class = &mut self.classes[class_id];
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/partition.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut this_element = &mut self.elements[element_id];
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling rustfst v0.13.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../../README.md: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:214:14
[INFO] [stdout]     |
[INFO] [stdout] 214 | doc_comment!(include_str!("../../README.md"));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/algorithms/rm_epsilon/rm_epsilon_state.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout]    |                                      ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -                     if !self.visited[(tr.nextstate as usize)] {
[INFO] [stdout] 74 +                     if !self.visited[tr.nextstate as usize] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FinalState`, `Transition`
[INFO] [stdout]  --> src/parsers/text_fst/mod.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::parsed_text_fst::{FinalState, ParsedTextFst, Transition};
[INFO] [stdout]   |                                 ^^^^^^^^^^                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfst` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "107ca0b54cefadf3694ad2b6cd4a135d3351c029f1e84fb9d0276b2888ae3b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107ca0b54cefadf3694ad2b6cd4a135d3351c029f1e84fb9d0276b2888ae3b19", kill_on_drop: false }`
[INFO] [stdout] 107ca0b54cefadf3694ad2b6cd4a135d3351c029f1e84fb9d0276b2888ae3b19
