[INFO] cloning repository https://github.com/lalrpop/lalrpop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lalrpop/lalrpop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 542fb24736e7b0bfc7d6370a06551ff1148eb519
[INFO] checking lalrpop/lalrpop against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalrpop%2Flalrpop" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lalrpop/lalrpop
[INFO] finished tweaking git repo https://github.com/lalrpop/lalrpop
[INFO] tweaked toml for git repo https://github.com/lalrpop/lalrpop written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lalrpop/lalrpop on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lalrpop/lalrpop 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b8fff304ccc32e9cd3e0ae0b5cc003bf4bb78f3dc9f4d903c4602cdf534e62
[INFO] running `Command { std: "docker" "start" "-a" "40b8fff304ccc32e9cd3e0ae0b5cc003bf4bb78f3dc9f4d903c4602cdf534e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b8fff304ccc32e9cd3e0ae0b5cc003bf4bb78f3dc9f4d903c4602cdf534e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b8fff304ccc32e9cd3e0ae0b5cc003bf4bb78f3dc9f4d903c4602cdf534e62", kill_on_drop: false }`
[INFO] [stdout] 40b8fff304ccc32e9cd3e0ae0b5cc003bf4bb78f3dc9f4d903c4602cdf534e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2289d00b357b8cbede11690cc95c5aa3197e5c2a98c89046ee28bc3e2700937b
[INFO] running `Command { std: "docker" "start" "-a" "2289d00b357b8cbede11690cc95c5aa3197e5c2a98c89046ee28bc3e2700937b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking string_cache v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking lalrpop-util v0.22.2 (/opt/rustwide/workdir/lalrpop-util)
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking lalrpop v0.22.2 (/opt/rustwide/workdir/lalrpop)
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]     Checking logos v0.15.1
[INFO] [stderr]    Compiling whitespace v0.22.2 (/opt/rustwide/workdir/doc/whitespace)
[INFO] [stderr]    Compiling lexer-modes v0.1.0 (/opt/rustwide/workdir/doc/lexer-modes)
[INFO] [stderr]    Compiling lexer v0.1.0 (/opt/rustwide/workdir/doc/lexer)
[INFO] [stderr]    Compiling nobol v0.1.0 (/opt/rustwide/workdir/doc/nobol)
[INFO] [stderr]    Compiling lalrpop-test v0.22.2 (/opt/rustwide/workdir/lalrpop-test)
[INFO] [stderr]    Compiling cfg v0.22.2 (/opt/rustwide/workdir/doc/cfg)
[INFO] [stderr]    Compiling pascal v0.11.0 (/opt/rustwide/workdir/doc/pascal/lalrpop)
[INFO] [stderr]    Compiling calculator v0.22.2 (/opt/rustwide/workdir/doc/calculator)
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Some((i, ' ')) => return Some(Ok((i, Tok::Space, i + 1))),
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Some((i, '\t')) => return Some(Ok((i, Tok::Tab, i + 1))),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Some((i, '\n')) => return Some(Ok((i, Tok::Linefeed, i + 1))),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:52:51
[INFO] [stdout]    |
[INFO] [stdout] 52 |     assert!(Lexer::new(source).all(|tok| matches!(tok, Ok((_, Tok::Space, _)))));
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/whitespace-3362eb79abb57229/out//parser.rs:2567:9
[INFO] [stdout]      |
[INFO] [stdout] 2567 |         self.map_err(|error| __lalrpop_util::ParseError::User { error })
[INFO] [stdout]      |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `whitespace` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Some((i, ' ')) => return Some(Ok((i, Tok::Space, i + 1))),
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Some((i, '\t')) => return Some(Ok((i, Tok::Tab, i + 1))),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]   --> doc/whitespace/src/lexer.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 Some((i, '\n')) => return Some(Ok((i, Tok::Linefeed, i + 1))),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/whitespace-3362eb79abb57229/out//parser.rs:2567:9
[INFO] [stdout]      |
[INFO] [stdout] 2567 |         self.map_err(|error| __lalrpop_util::ParseError::User { error })
[INFO] [stdout]      |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `whitespace` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2289d00b357b8cbede11690cc95c5aa3197e5c2a98c89046ee28bc3e2700937b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2289d00b357b8cbede11690cc95c5aa3197e5c2a98c89046ee28bc3e2700937b", kill_on_drop: false }`
[INFO] [stdout] 2289d00b357b8cbede11690cc95c5aa3197e5c2a98c89046ee28bc3e2700937b
