[INFO] fetching crate impc 0.2.2...
[INFO] checking impc-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate impc 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate impc 0.2.2
[INFO] finished tweaking crates.io crate impc 0.2.2
[INFO] tweaked toml for crates.io crate impc 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate impc 0.2.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate impc 0.2.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1bac6727df6482e709328074c69e2d8f33b01bb5f0540cad1e917b22f567a5
[INFO] running `Command { std: "docker" "start" "-a" "9f1bac6727df6482e709328074c69e2d8f33b01bb5f0540cad1e917b22f567a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1bac6727df6482e709328074c69e2d8f33b01bb5f0540cad1e917b22f567a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1bac6727df6482e709328074c69e2d8f33b01bb5f0540cad1e917b22f567a5", kill_on_drop: false }`
[INFO] [stdout] 9f1bac6727df6482e709328074c69e2d8f33b01bb5f0540cad1e917b22f567a5
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9256677b6da8a31e9290e6d5d69d7eeaedf9cf11fbc4175df0c0d5f1b4d9805
[INFO] running `Command { std: "docker" "start" "-a" "f9256677b6da8a31e9290e6d5d69d7eeaedf9cf11fbc4175df0c0d5f1b4d9805", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking brownstone v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]     Checking nom-supreme v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]     Checking better-panic v0.3.0
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking impc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser/util.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &T, E> + Clone
[INFO] [stdout]    |                                    ^^^^                              -- the lifetime gets resolved as `'tok`
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'tok`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &'tok T, E> + Clone
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser/util.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &T, E> + Clone
[INFO] [stdout]    |                                    ^^^^                              -- the lifetime gets resolved as `'tok`
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'tok`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn token<'tok, 'src, T, E>(t: &'tok T) -> impl Parser<&'src [T], &'tok T, E> + Clone
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "f9256677b6da8a31e9290e6d5d69d7eeaedf9cf11fbc4175df0c0d5f1b4d9805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9256677b6da8a31e9290e6d5d69d7eeaedf9cf11fbc4175df0c0d5f1b4d9805", kill_on_drop: false }`
[INFO] [stdout] f9256677b6da8a31e9290e6d5d69d7eeaedf9cf11fbc4175df0c0d5f1b4d9805