[INFO] cloning repository https://github.com/ShallowFeather/webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShallowFeather/webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShallowFeather%2Fwebserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShallowFeather%2Fwebserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 830624737c275d65740426669d8e461bc7a36065
[INFO] testing ShallowFeather/webserver against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShallowFeather%2Fwebserver" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShallowFeather/webserver on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShallowFeather/webserver
[INFO] finished tweaking git repo https://github.com/ShallowFeather/webserver
[INFO] tweaked toml for git repo https://github.com/ShallowFeather/webserver written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/ShallowFeather/webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23eb4c6506326a01982d46f7d03c7e6774c57249d8c2047c8288d9f6d3e11f75
[INFO] running `Command { std: "docker" "start" "-a" "23eb4c6506326a01982d46f7d03c7e6774c57249d8c2047c8288d9f6d3e11f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23eb4c6506326a01982d46f7d03c7e6774c57249d8c2047c8288d9f6d3e11f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23eb4c6506326a01982d46f7d03c7e6774c57249d8c2047c8288d9f6d3e11f75", kill_on_drop: false }`
[INFO] [stdout] 23eb4c6506326a01982d46f7d03c7e6774c57249d8c2047c8288d9f6d3e11f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa5f7e0ec3c281ea1c3f05e50408585278343396a2bca324a562f6af6f15338
[INFO] running `Command { std: "docker" "start" "-a" "4fa5f7e0ec3c281ea1c3f05e50408585278343396a2bca324a562f6af6f15338", kill_on_drop: false }`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut contents = fs::read_to_string("web/main.html").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "4fa5f7e0ec3c281ea1c3f05e50408585278343396a2bca324a562f6af6f15338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa5f7e0ec3c281ea1c3f05e50408585278343396a2bca324a562f6af6f15338", kill_on_drop: false }`
[INFO] [stdout] 4fa5f7e0ec3c281ea1c3f05e50408585278343396a2bca324a562f6af6f15338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2c0388296bf2f7d0715bf15ca4cd9281c4a7f0674cbb6741a807f7638416b97
[INFO] running `Command { std: "docker" "start" "-a" "d2c0388296bf2f7d0715bf15ca4cd9281c4a7f0674cbb6741a807f7638416b97", kill_on_drop: false }`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut contents = fs::read_to_string("web/main.html").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d2c0388296bf2f7d0715bf15ca4cd9281c4a7f0674cbb6741a807f7638416b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c0388296bf2f7d0715bf15ca4cd9281c4a7f0674cbb6741a807f7638416b97", kill_on_drop: false }`
[INFO] [stdout] d2c0388296bf2f7d0715bf15ca4cd9281c4a7f0674cbb6741a807f7638416b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7aee1e2018832a6865d95b41c8c0d78764dac28eeecb135bf513fd0516fa22b
[INFO] running `Command { std: "docker" "start" "-a" "b7aee1e2018832a6865d95b41c8c0d78764dac28eeecb135bf513fd0516fa22b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut contents = fs::read_to_string("web/main.html").unwrap();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `webserver` (bin "webserver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webserver-2b3ae68506c89e6a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7aee1e2018832a6865d95b41c8c0d78764dac28eeecb135bf513fd0516fa22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7aee1e2018832a6865d95b41c8c0d78764dac28eeecb135bf513fd0516fa22b", kill_on_drop: false }`
[INFO] [stdout] b7aee1e2018832a6865d95b41c8c0d78764dac28eeecb135bf513fd0516fa22b