[INFO] fetching crate lrlex 0.13.7...
[INFO] checking lrlex-0.13.7 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate lrlex 0.13.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lrlex 0.13.7 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lrlex 0.13.7
[INFO] finished tweaking crates.io crate lrlex 0.13.7
[INFO] tweaked toml for crates.io crate lrlex 0.13.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate lrlex 0.13.7 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lrpar v0.13.7
[INFO] [stderr]   Downloaded cactus v1.0.7
[INFO] [stderr]   Downloaded vob v3.0.3
[INFO] [stderr]   Downloaded sparsevec v0.2.0
[INFO] [stderr]   Downloaded packedvec v1.2.4
[INFO] [stderr]   Downloaded cfgrammar v0.13.7
[INFO] [stderr]   Downloaded vergen v8.3.1
[INFO] [stderr]   Downloaded lrtable v0.13.7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 512a6148547d543b8d711cb8fddd2733b562f25d715151c70790067ac7f8fdd4
[INFO] running `Command { std: "docker" "start" "-a" "512a6148547d543b8d711cb8fddd2733b562f25d715151c70790067ac7f8fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "512a6148547d543b8d711cb8fddd2733b562f25d715151c70790067ac7f8fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512a6148547d543b8d711cb8fddd2733b562f25d715151c70790067ac7f8fdd4", kill_on_drop: false }`
[INFO] [stdout] 512a6148547d543b8d711cb8fddd2733b562f25d715151c70790067ac7f8fdd4
[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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17785aea16c66ad64a44cb3adcb3ebc56dd7835ea9ca07c36ae32d72a92aa729
[INFO] running `Command { std: "docker" "start" "-a" "17785aea16c66ad64a44cb3adcb3ebc56dd7835ea9ca07c36ae32d72a92aa729", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling vob v3.0.3
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling vergen v8.3.1
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking cactus v1.0.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling lrpar v0.13.7
[INFO] [stderr]    Compiling lrlex v0.13.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking packedvec v1.2.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cfgrammar v0.13.7
[INFO] [stderr]     Checking sparsevec v0.2.0
[INFO] [stderr]     Checking lrtable v0.13.7
[INFO] [stdout] warning: function `line_of_offset` is never used
[INFO] [stdout]    --> src/lib/parser.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 648 |     fn line_of_offset(s: &str, off: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect_error_at_line` is never used
[INFO] [stdout]    --> src/lib/parser.rs:653:12
[INFO] [stdout]     |
[INFO] [stdout] 652 |     trait ErrorsHelper {
[INFO] [stdout]     |           ------------ method in this trait
[INFO] [stdout] 653 |         fn expect_error_at_line(self, src: &str, kind: LexErrorKind, line: usize);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "17785aea16c66ad64a44cb3adcb3ebc56dd7835ea9ca07c36ae32d72a92aa729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17785aea16c66ad64a44cb3adcb3ebc56dd7835ea9ca07c36ae32d72a92aa729", kill_on_drop: false }`
[INFO] [stdout] 17785aea16c66ad64a44cb3adcb3ebc56dd7835ea9ca07c36ae32d72a92aa729