[INFO] cloning repository https://github.com/whs-dot-hk/struct-convert-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whs-dot-hk/struct-convert-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Fstruct-convert-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Fstruct-convert-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 375cb92c571dab2b2da03209fcd67b8feb615cb7
[INFO] testing whs-dot-hk/struct-convert-test against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Fstruct-convert-test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/whs-dot-hk/struct-convert-test
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/struct-convert-test
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/struct-convert-test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/struct-convert-test on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whs-dot-hk/struct-convert-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing whs-dot-hk/struct-convert-test against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Fstruct-convert-test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/whs-dot-hk/struct-convert-test
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/struct-convert-test
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/struct-convert-test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/struct-convert-test on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whs-dot-hk/struct-convert-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded struct-convert v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10a39782533a843f4d15f25af75c69034be6fadd5d074b3898fd7bf0e7f8a66
[INFO] running `Command { std: "docker" "start" "-a" "e10a39782533a843f4d15f25af75c69034be6fadd5d074b3898fd7bf0e7f8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10a39782533a843f4d15f25af75c69034be6fadd5d074b3898fd7bf0e7f8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10a39782533a843f4d15f25af75c69034be6fadd5d074b3898fd7bf0e7f8a66", kill_on_drop: false }`
[INFO] [stdout] e10a39782533a843f4d15f25af75c69034be6fadd5d074b3898fd7bf0e7f8a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] eebdb2fcff407473dce8979761fc755eaec0cf5ef71d73245bd68f1db4fd572a
[INFO] running `Command { std: "docker" "start" "-a" "eebdb2fcff407473dce8979761fc755eaec0cf5ef71d73245bd68f1db4fd572a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling struct-convert v1.4.0
[INFO] [stderr]    Compiling struct-convert-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `B` is never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum C {
[INFO] [stdout]    |      - variant in this enum
[INFO] [stdout] 14 |     A,
[INFO] [stdout] 15 |     B,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "eebdb2fcff407473dce8979761fc755eaec0cf5ef71d73245bd68f1db4fd572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebdb2fcff407473dce8979761fc755eaec0cf5ef71d73245bd68f1db4fd572a", kill_on_drop: false }`
[INFO] [stdout] eebdb2fcff407473dce8979761fc755eaec0cf5ef71d73245bd68f1db4fd572a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 04123a05392b8ab7d10c0f75293db38d91345606dd79aa49ba561f9196c1542b
[INFO] running `Command { std: "docker" "start" "-a" "04123a05392b8ab7d10c0f75293db38d91345606dd79aa49ba561f9196c1542b", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct-convert-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `B` is never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum C {
[INFO] [stdout]    |      - variant in this enum
[INFO] [stdout] 14 |     A,
[INFO] [stdout] 15 |     B,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "04123a05392b8ab7d10c0f75293db38d91345606dd79aa49ba561f9196c1542b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04123a05392b8ab7d10c0f75293db38d91345606dd79aa49ba561f9196c1542b", kill_on_drop: false }`
[INFO] [stdout] 04123a05392b8ab7d10c0f75293db38d91345606dd79aa49ba561f9196c1542b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] adfb184e7a593e0c1fcc57750de7baba6dc704a7203bfc4e7b0e216b5893f5ea
[INFO] running `Command { std: "docker" "start" "-a" "adfb184e7a593e0c1fcc57750de7baba6dc704a7203bfc4e7b0e216b5893f5ea", kill_on_drop: false }`
[INFO] [stderr] warning: variant `B` is never constructed
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | enum C {
[INFO] [stderr]    |      - variant in this enum
[INFO] [stderr] 14 |     A,
[INFO] [stderr] 15 |     B,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `struct-convert-test` (bin "struct-convert-test" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/struct-convert-test/d4232e87d8605cfe/deps/struct_convert_test-d4232e87d8605cfe)
[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" "adfb184e7a593e0c1fcc57750de7baba6dc704a7203bfc4e7b0e216b5893f5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfb184e7a593e0c1fcc57750de7baba6dc704a7203bfc4e7b0e216b5893f5ea", kill_on_drop: false }`
[INFO] [stdout] adfb184e7a593e0c1fcc57750de7baba6dc704a7203bfc4e7b0e216b5893f5ea