[INFO] cloning repository https://github.com/wesleywiser/toml-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wesleywiser/toml-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleywiser%2Ftoml-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleywiser%2Ftoml-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbdd6278cf28685cb9b8d36b8f44ef973ddf7950
[INFO] checking wesleywiser/toml-rust against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwesleywiser%2Ftoml-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wesleywiser/toml-rust on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wesleywiser/toml-rust
[INFO] finished tweaking git repo https://github.com/wesleywiser/toml-rust
[INFO] tweaked toml for git repo https://github.com/wesleywiser/toml-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wesleywiser/toml-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b921eed381971528f92a70be63cefd5dbaa6ba7a2ecc23379a176fe3a2918e69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b921eed381971528f92a70be63cefd5dbaa6ba7a2ecc23379a176fe3a2918e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b921eed381971528f92a70be63cefd5dbaa6ba7a2ecc23379a176fe3a2918e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b921eed381971528f92a70be63cefd5dbaa6ba7a2ecc23379a176fe3a2918e69", kill_on_drop: false }`
[INFO] [stdout] b921eed381971528f92a70be63cefd5dbaa6ba7a2ecc23379a176fe3a2918e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c889a8169eedd7dd8994b061360fb4c66309fe7acfb8bcce105eab7cadb611cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c889a8169eedd7dd8994b061360fb4c66309fe7acfb8bcce105eab7cadb611cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking toml_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_token`
[INFO] [stdout]   --> src/parser/ast/fragments.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse_token<'a>(tokens: &'a[TomlFragment]) -> Result<ParseResult<'a>, &'a str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_array`
[INFO] [stdout]   --> src/parser/ast/fragments.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn parse_array<'a>(tokens: &'a[TomlFragment]) -> Result<ParseResult<'a>, &'a str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c889a8169eedd7dd8994b061360fb4c66309fe7acfb8bcce105eab7cadb611cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c889a8169eedd7dd8994b061360fb4c66309fe7acfb8bcce105eab7cadb611cf", kill_on_drop: false }`
[INFO] [stdout] c889a8169eedd7dd8994b061360fb4c66309fe7acfb8bcce105eab7cadb611cf