[INFO] cloning repository https://github.com/sts10/capitalizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/capitalizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54ed66546c5fe800598a301b93e236532575a952
[INFO] checking sts10/capitalizer against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fcapitalizer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/capitalizer on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/capitalizer
[INFO] finished tweaking git repo https://github.com/sts10/capitalizer
[INFO] tweaked toml for git repo https://github.com/sts10/capitalizer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/capitalizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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] 3d3c1f4e4fbac397e6c0de06b90e986518e8f4b75c87f1964297785b7fca8582
[INFO] running `Command { std: "docker" "start" "-a" "3d3c1f4e4fbac397e6c0de06b90e986518e8f4b75c87f1964297785b7fca8582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3c1f4e4fbac397e6c0de06b90e986518e8f4b75c87f1964297785b7fca8582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3c1f4e4fbac397e6c0de06b90e986518e8f4b75c87f1964297785b7fca8582", kill_on_drop: false }`
[INFO] [stdout] 3d3c1f4e4fbac397e6c0de06b90e986518e8f4b75c87f1964297785b7fca8582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6747742c4993439801224e01539485b5541fe8ea50198e9bc4eebec41dcf3c5b
[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" "6747742c4993439801224e01539485b5541fe8ea50198e9bc4eebec41dcf3c5b", kill_on_drop: false }`
[INFO] [stderr]     Checking capitalizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> 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] [stdout] warning: function is never used: `downcase_this`
[INFO] [stdout]  --> src/downcase.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn downcase_this(s: String) -> 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "6747742c4993439801224e01539485b5541fe8ea50198e9bc4eebec41dcf3c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6747742c4993439801224e01539485b5541fe8ea50198e9bc4eebec41dcf3c5b", kill_on_drop: false }`
[INFO] [stdout] 6747742c4993439801224e01539485b5541fe8ea50198e9bc4eebec41dcf3c5b