[INFO] fetching crate unreal_rust_compile_demo 0.1.0...
[INFO] testing unreal_rust_compile_demo-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate unreal_rust_compile_demo 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unreal_rust_compile_demo 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unreal_rust_compile_demo 0.1.0
[INFO] finished tweaking crates.io crate unreal_rust_compile_demo 0.1.0
[INFO] tweaked toml for crates.io crate unreal_rust_compile_demo 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate unreal_rust_compile_demo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffbe2b872f21cd13d7171b08b6b7846ce221215acaa5808fa9e30ecc283e9f6f
[INFO] running `Command { std: "docker" "start" "-a" "ffbe2b872f21cd13d7171b08b6b7846ce221215acaa5808fa9e30ecc283e9f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffbe2b872f21cd13d7171b08b6b7846ce221215acaa5808fa9e30ecc283e9f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbe2b872f21cd13d7171b08b6b7846ce221215acaa5808fa9e30ecc283e9f6f", kill_on_drop: false }`
[INFO] [stdout] ffbe2b872f21cd13d7171b08b6b7846ce221215acaa5808fa9e30ecc283e9f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39477be994ebb0da02818400f5340e7130d266fd2e4469e4855858939eeecb5c
[INFO] running `Command { std: "docker" "start" "-a" "39477be994ebb0da02818400f5340e7130d266fd2e4469e4855858939eeecb5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cbindgen v0.12.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling unreal_rust_compile_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.65s
[INFO] running `Command { std: "docker" "inspect" "39477be994ebb0da02818400f5340e7130d266fd2e4469e4855858939eeecb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39477be994ebb0da02818400f5340e7130d266fd2e4469e4855858939eeecb5c", kill_on_drop: false }`
[INFO] [stdout] 39477be994ebb0da02818400f5340e7130d266fd2e4469e4855858939eeecb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1497921d1f031001d06da221625f5dc5cd28562d3f6cff92ffc085c1c9e089
[INFO] running `Command { std: "docker" "start" "-a" "ff1497921d1f031001d06da221625f5dc5cd28562d3f6cff92ffc085c1c9e089", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unreal_rust_compile_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/unreal_rust_compile_demo-22466f2632ad6d55)
[INFO] running `Command { std: "docker" "inspect" "ff1497921d1f031001d06da221625f5dc5cd28562d3f6cff92ffc085c1c9e089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1497921d1f031001d06da221625f5dc5cd28562d3f6cff92ffc085c1c9e089", kill_on_drop: false }`
[INFO] [stdout] ff1497921d1f031001d06da221625f5dc5cd28562d3f6cff92ffc085c1c9e089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 450830b178e72cab2aa5e90af820e58ec9b570f8aa12a682c0d7dd90db69bde2
[INFO] running `Command { std: "docker" "start" "-a" "450830b178e72cab2aa5e90af820e58ec9b570f8aa12a682c0d7dd90db69bde2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unreal_rust_compile_demo-22466f2632ad6d55)
[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" "450830b178e72cab2aa5e90af820e58ec9b570f8aa12a682c0d7dd90db69bde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450830b178e72cab2aa5e90af820e58ec9b570f8aa12a682c0d7dd90db69bde2", kill_on_drop: false }`
[INFO] [stdout] 450830b178e72cab2aa5e90af820e58ec9b570f8aa12a682c0d7dd90db69bde2