[INFO] fetching crate rseven-parser 0.0.0...
[INFO] checking rseven-parser-0.0.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate rseven-parser 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rseven-parser 0.0.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rseven-parser 0.0.0
[INFO] finished tweaking crates.io crate rseven-parser 0.0.0
[INFO] tweaked toml for crates.io crate rseven-parser 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14f1b162e60ce49e729ac58ab437077ae424c7ec3b11c640862f64a46a262949
[INFO] running `Command { std: "docker" "start" "-a" "14f1b162e60ce49e729ac58ab437077ae424c7ec3b11c640862f64a46a262949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f1b162e60ce49e729ac58ab437077ae424c7ec3b11c640862f64a46a262949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f1b162e60ce49e729ac58ab437077ae424c7ec3b11c640862f64a46a262949", kill_on_drop: false }`
[INFO] [stdout] 14f1b162e60ce49e729ac58ab437077ae424c7ec3b11c640862f64a46a262949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fa68db45e70ae6f16b06fcc271134dda1d54bdb966a4bd1a51c3440ccc6ad49
[INFO] running `Command { std: "docker" "start" "-a" "8fa68db45e70ae6f16b06fcc271134dda1d54bdb966a4bd1a51c3440ccc6ad49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rseven-parser v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]   --> src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lex(_parsed: Pair<Rule>) -> Result<(), String> {
[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 [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "8fa68db45e70ae6f16b06fcc271134dda1d54bdb966a4bd1a51c3440ccc6ad49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa68db45e70ae6f16b06fcc271134dda1d54bdb966a4bd1a51c3440ccc6ad49", kill_on_drop: false }`
[INFO] [stdout] 8fa68db45e70ae6f16b06fcc271134dda1d54bdb966a4bd1a51c3440ccc6ad49