[INFO] cloning repository https://github.com/4rtzel/rtr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4rtzel/rtr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4rtzel%2Frtr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4rtzel%2Frtr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b7d647029436b59bf9f61daf9c6ab51330867e1
[INFO] checking 4rtzel/rtr/7b7d647029436b59bf9f61daf9c6ab51330867e1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4rtzel%2Frtr" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4rtzel/rtr 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 git repo https://github.com/4rtzel/rtr
[INFO] finished tweaking git repo https://github.com/4rtzel/rtr
[INFO] tweaked toml for git repo https://github.com/4rtzel/rtr written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/4rtzel/rtr 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0fa7e21a1169ae7660cc8d2b85e4cd4ed24f5177aca121e8eb34792eb7ec7716
[INFO] running `Command { std: "docker" "start" "-a" "0fa7e21a1169ae7660cc8d2b85e4cd4ed24f5177aca121e8eb34792eb7ec7716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa7e21a1169ae7660cc8d2b85e4cd4ed24f5177aca121e8eb34792eb7ec7716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa7e21a1169ae7660cc8d2b85e4cd4ed24f5177aca121e8eb34792eb7ec7716", kill_on_drop: false }`
[INFO] [stdout] 0fa7e21a1169ae7660cc8d2b85e4cd4ed24f5177aca121e8eb34792eb7ec7716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 944dd091fd54f75d8b00b4d7baded0427a31cd0a2da0749f58b7ca7d3ac2e395
[INFO] running `Command { std: "docker" "start" "-a" "944dd091fd54f75d8b00b4d7baded0427a31cd0a2da0749f58b7ca7d3ac2e395", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking rtr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parser/grid_slice_parser.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl GridSliceRange {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(from: i64, to: i64, step: i64, exclude: bool) -> GridSliceRange {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "944dd091fd54f75d8b00b4d7baded0427a31cd0a2da0749f58b7ca7d3ac2e395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944dd091fd54f75d8b00b4d7baded0427a31cd0a2da0749f58b7ca7d3ac2e395", kill_on_drop: false }`
[INFO] [stdout] 944dd091fd54f75d8b00b4d7baded0427a31cd0a2da0749f58b7ca7d3ac2e395