[INFO] fetching crate lrlex 0.13.7...
[INFO] checking lrlex-0.13.7 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate lrlex 0.13.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lrlex 0.13.7 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17f8421c7271a87f251f00909346e3026724fca334148e86ede29eb64fb080aa
[INFO] running `Command { std: "docker" "start" "-a" "17f8421c7271a87f251f00909346e3026724fca334148e86ede29eb64fb080aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f8421c7271a87f251f00909346e3026724fca334148e86ede29eb64fb080aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f8421c7271a87f251f00909346e3026724fca334148e86ede29eb64fb080aa", kill_on_drop: false }`
[INFO] [stdout] 17f8421c7271a87f251f00909346e3026724fca334148e86ede29eb64fb080aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324e3bd7e7dc8ad517517959615e6e219a98c2d24fa3fbe23675f1ffc05f937b
[INFO] running `Command { std: "docker" "start" "-a" "324e3bd7e7dc8ad517517959615e6e219a98c2d24fa3fbe23675f1ffc05f937b", 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 num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking cactus v1.0.7
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling vob v3.0.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]    Compiling vergen v8.3.1
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling time v0.3.36
[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 12.57s
[INFO] running `Command { std: "docker" "inspect" "324e3bd7e7dc8ad517517959615e6e219a98c2d24fa3fbe23675f1ffc05f937b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324e3bd7e7dc8ad517517959615e6e219a98c2d24fa3fbe23675f1ffc05f937b", kill_on_drop: false }`
[INFO] [stdout] 324e3bd7e7dc8ad517517959615e6e219a98c2d24fa3fbe23675f1ffc05f937b