[INFO] cloning repository https://github.com/ttys3/rust-cross-compile-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttys3/rust-cross-compile-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttys3%2Frust-cross-compile-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttys3%2Frust-cross-compile-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1c87817e6cfb715d37a11131cab4e789e573f7
[INFO] testing ttys3/rust-cross-compile-demo against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttys3%2Frust-cross-compile-demo" "/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/ttys3/rust-cross-compile-demo on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttys3/rust-cross-compile-demo
[INFO] finished tweaking git repo https://github.com/ttys3/rust-cross-compile-demo
[INFO] tweaked toml for git repo https://github.com/ttys3/rust-cross-compile-demo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ttys3/rust-cross-compile-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a468cffcdbd5252631c45649c2ec50f3614d359fd8500fe290d2f112fea0aa
[INFO] running `Command { std: "docker" "start" "-a" "82a468cffcdbd5252631c45649c2ec50f3614d359fd8500fe290d2f112fea0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a468cffcdbd5252631c45649c2ec50f3614d359fd8500fe290d2f112fea0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a468cffcdbd5252631c45649c2ec50f3614d359fd8500fe290d2f112fea0aa", kill_on_drop: false }`
[INFO] [stdout] 82a468cffcdbd5252631c45649c2ec50f3614d359fd8500fe290d2f112fea0aa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fb605f901771620ad2f788b86e2e4fd4e5762ede8a9b2cb9748a6fd6b063a36
[INFO] running `Command { std: "docker" "start" "-a" "4fb605f901771620ad2f788b86e2e4fd4e5762ede8a9b2cb9748a6fd6b063a36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling git2 v0.13.17
[INFO] [stderr]    Compiling libgit2-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let repo = match Repository::init("/tmp/hello.git") {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 22.13s
[INFO] running `Command { std: "docker" "inspect" "4fb605f901771620ad2f788b86e2e4fd4e5762ede8a9b2cb9748a6fd6b063a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb605f901771620ad2f788b86e2e4fd4e5762ede8a9b2cb9748a6fd6b063a36", kill_on_drop: false }`
[INFO] [stdout] 4fb605f901771620ad2f788b86e2e4fd4e5762ede8a9b2cb9748a6fd6b063a36
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba863c1592c433ba3d330738e6c913e19a6db49d4e95f45a6ab2cb60115ff1e9
[INFO] running `Command { std: "docker" "start" "-a" "ba863c1592c433ba3d330738e6c913e19a6db49d4e95f45a6ab2cb60115ff1e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libgit2-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let repo = match Repository::init("/tmp/hello.git") {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba863c1592c433ba3d330738e6c913e19a6db49d4e95f45a6ab2cb60115ff1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba863c1592c433ba3d330738e6c913e19a6db49d4e95f45a6ab2cb60115ff1e9", kill_on_drop: false }`
[INFO] [stdout] ba863c1592c433ba3d330738e6c913e19a6db49d4e95f45a6ab2cb60115ff1e9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68f452a1c2ece2fff366668d9c57d91dd184b3227bb387284cf98a9f9c0fdb38
[INFO] running `Command { std: "docker" "start" "-a" "68f452a1c2ece2fff366668d9c57d91dd184b3227bb387284cf98a9f9c0fdb38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     let repo = match Repository::init("/tmp/hello.git") {
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libgit2_demo-98e087b1e2273a5f)
[INFO] running `Command { std: "docker" "inspect" "68f452a1c2ece2fff366668d9c57d91dd184b3227bb387284cf98a9f9c0fdb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f452a1c2ece2fff366668d9c57d91dd184b3227bb387284cf98a9f9c0fdb38", kill_on_drop: false }`
[INFO] [stdout] 68f452a1c2ece2fff366668d9c57d91dd184b3227bb387284cf98a9f9c0fdb38