[INFO] cloning repository https://github.com/bootandy/ports
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bootandy/ports" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 162faf6213545bb27eec153bb00570b86a276623
[INFO] checking bootandy/ports against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bootandy/ports on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bootandy/ports
[INFO] finished tweaking git repo https://github.com/bootandy/ports
[INFO] tweaked toml for git repo https://github.com/bootandy/ports written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bootandy/ports already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ea5f16a3bbc245c7b8eb473fdc3e6b49ff53b6cfc3d5017ffcb5a971b388e4
[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" "37ea5f16a3bbc245c7b8eb473fdc3e6b49ff53b6cfc3d5017ffcb5a971b388e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ea5f16a3bbc245c7b8eb473fdc3e6b49ff53b6cfc3d5017ffcb5a971b388e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ea5f16a3bbc245c7b8eb473fdc3e6b49ff53b6cfc3d5017ffcb5a971b388e4", kill_on_drop: false }`
[INFO] [stdout] 37ea5f16a3bbc245c7b8eb473fdc3e6b49ff53b6cfc3d5017ffcb5a971b388e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c25f381d25f6fbdec2b86efc26411e82de2bfe6d0356d9e315ec4e9a5ee0eac
[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" "9c25f381d25f6fbdec2b86efc26411e82de2bfe6d0356d9e315ec4e9a5ee0eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking ports v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `TEXT_500`
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / const TEXT_500: &str = "
[INFO] [stdout] 30 | | <html>
[INFO] [stdout] 31 | | <head><title>500 Internal Server Error</title></head>
[INFO] [stdout] 32 | | <body bgcolor='white'>
[INFO] [stdout] 33 | | <center><h1>500 Internal Server Error</h1></center>
[INFO] [stdout] 34 | | </body>
[INFO] [stdout] 35 | | </html>";
[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: constant is never used: `TEXT_500`
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / const TEXT_500: &str = "
[INFO] [stdout] 30 | | <html>
[INFO] [stdout] 31 | | <head><title>500 Internal Server Error</title></head>
[INFO] [stdout] 32 | | <body bgcolor='white'>
[INFO] [stdout] 33 | | <center><h1>500 Internal Server Error</h1></center>
[INFO] [stdout] 34 | | </body>
[INFO] [stdout] 35 | | </html>";
[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 4.10s
[INFO] running `Command { std: "docker" "inspect" "9c25f381d25f6fbdec2b86efc26411e82de2bfe6d0356d9e315ec4e9a5ee0eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c25f381d25f6fbdec2b86efc26411e82de2bfe6d0356d9e315ec4e9a5ee0eac", kill_on_drop: false }`
[INFO] [stdout] 9c25f381d25f6fbdec2b86efc26411e82de2bfe6d0356d9e315ec4e9a5ee0eac