[INFO] cloning repository https://github.com/zxcvc/rust_web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxcvc/rust_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Frust_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Frust_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] caf9ee9758923ecf602a7c61f4c4d363b818f207
[INFO] testing zxcvc/rust_web_server against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Frust_web_server" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxcvc/rust_web_server on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zxcvc/rust_web_server
[INFO] finished tweaking git repo https://github.com/zxcvc/rust_web_server
[INFO] tweaked toml for git repo https://github.com/zxcvc/rust_web_server written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zxcvc/rust_web_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f0b8bc1cb7f5ffb9733c38fddfc1a71595f60b6d4bfc5059e4cf52f6f908da
[INFO] running `Command { std: "docker" "start" "-a" "08f0b8bc1cb7f5ffb9733c38fddfc1a71595f60b6d4bfc5059e4cf52f6f908da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f0b8bc1cb7f5ffb9733c38fddfc1a71595f60b6d4bfc5059e4cf52f6f908da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f0b8bc1cb7f5ffb9733c38fddfc1a71595f60b6d4bfc5059e4cf52f6f908da", kill_on_drop: false }`
[INFO] [stdout] 08f0b8bc1cb7f5ffb9733c38fddfc1a71595f60b6d4bfc5059e4cf52f6f908da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 851a0d383ee4a62c66dd492d3daddd6c8086223ac21730b26aa5da66afef0b16
[INFO] running `Command { std: "docker" "start" "-a" "851a0d383ee4a62c66dd492d3daddd6c8086223ac21730b26aa5da66afef0b16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `io`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     fs::File,
[INFO] [stdout] 5 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "851a0d383ee4a62c66dd492d3daddd6c8086223ac21730b26aa5da66afef0b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851a0d383ee4a62c66dd492d3daddd6c8086223ac21730b26aa5da66afef0b16", kill_on_drop: false }`
[INFO] [stdout] 851a0d383ee4a62c66dd492d3daddd6c8086223ac21730b26aa5da66afef0b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36d6af62b5b79a83f124e92872da3512686905ce9e11d433a2da4df1f9bb739b
[INFO] running `Command { std: "docker" "start" "-a" "36d6af62b5b79a83f124e92872da3512686905ce9e11d433a2da4df1f9bb739b", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `io`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     fs::File,
[INFO] [stdout] 5 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "36d6af62b5b79a83f124e92872da3512686905ce9e11d433a2da4df1f9bb739b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d6af62b5b79a83f124e92872da3512686905ce9e11d433a2da4df1f9bb739b", kill_on_drop: false }`
[INFO] [stdout] 36d6af62b5b79a83f124e92872da3512686905ce9e11d433a2da4df1f9bb739b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7956e4c5f4b0a5d5f58cd789b1dfc5807b2a7d431290854bb478859609ae245
[INFO] running `Command { std: "docker" "start" "-a" "d7956e4c5f4b0a5d5f58cd789b1dfc5807b2a7d431290854bb478859609ae245", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `fs`, `io`
[INFO] [stderr]  --> src/server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fs,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 4 |     fs::File,
[INFO] [stderr] 5 |     io,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `web_server` (bin "web_server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_server-4702d8deb8ae4590)
[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" "d7956e4c5f4b0a5d5f58cd789b1dfc5807b2a7d431290854bb478859609ae245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7956e4c5f4b0a5d5f58cd789b1dfc5807b2a7d431290854bb478859609ae245", kill_on_drop: false }`
[INFO] [stdout] d7956e4c5f4b0a5d5f58cd789b1dfc5807b2a7d431290854bb478859609ae245