[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] checking whs-dot-hk/struct-convert-test against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Fstruct-convert-test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/struct-convert-test on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd819ce63110b63d3182f1121b9b3ea66dc391a4863a0a2631ce7f4fb6130bcc
[INFO] running `Command { std: "docker" "start" "-a" "fd819ce63110b63d3182f1121b9b3ea66dc391a4863a0a2631ce7f4fb6130bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd819ce63110b63d3182f1121b9b3ea66dc391a4863a0a2631ce7f4fb6130bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd819ce63110b63d3182f1121b9b3ea66dc391a4863a0a2631ce7f4fb6130bcc", kill_on_drop: false }`
[INFO] [stdout] fd819ce63110b63d3182f1121b9b3ea66dc391a4863a0a2631ce7f4fb6130bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d53fe1b2e9d126691fd764adf05334739a2e93481386c66d4f71a41166512fb
[INFO] running `Command { std: "docker" "start" "-a" "0d53fe1b2e9d126691fd764adf05334739a2e93481386c66d4f71a41166512fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling quote v1.0.40
[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]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.04s
[INFO] running `Command { std: "docker" "inspect" "0d53fe1b2e9d126691fd764adf05334739a2e93481386c66d4f71a41166512fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d53fe1b2e9d126691fd764adf05334739a2e93481386c66d4f71a41166512fb", kill_on_drop: false }`
[INFO] [stdout] 0d53fe1b2e9d126691fd764adf05334739a2e93481386c66d4f71a41166512fb