[INFO] cloning repository https://github.com/d0iasm/rvemu-for-youtube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d0iasm/rvemu-for-youtube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd0iasm%2Frvemu-for-youtube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd0iasm%2Frvemu-for-youtube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e9f630a39daae7b9939ba65d009e3e28ddfad76
[INFO] testing d0iasm/rvemu-for-youtube against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd0iasm%2Frvemu-for-youtube" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d0iasm/rvemu-for-youtube 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/d0iasm/rvemu-for-youtube
[INFO] finished tweaking git repo https://github.com/d0iasm/rvemu-for-youtube
[INFO] tweaked toml for git repo https://github.com/d0iasm/rvemu-for-youtube written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/d0iasm/rvemu-for-youtube 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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 52cfb0d5d7d6514fdfc28615e17216e2e0a1d24902c3b9a3d490ada6c1bb65a9
[INFO] running `Command { std: "docker" "start" "-a" "52cfb0d5d7d6514fdfc28615e17216e2e0a1d24902c3b9a3d490ada6c1bb65a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52cfb0d5d7d6514fdfc28615e17216e2e0a1d24902c3b9a3d490ada6c1bb65a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52cfb0d5d7d6514fdfc28615e17216e2e0a1d24902c3b9a3d490ada6c1bb65a9", kill_on_drop: false }`
[INFO] [stdout] 52cfb0d5d7d6514fdfc28615e17216e2e0a1d24902c3b9a3d490ada6c1bb65a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] de11d9070d336723bcff9e7ec9696065f789d977dd8eb9b025ebba43c3a59636
[INFO] running `Command { std: "docker" "start" "-a" "de11d9070d336723bcff9e7ec9696065f789d977dd8eb9b025ebba43c3a59636", kill_on_drop: false }`
[INFO] [stderr]    Compiling step6-rvemu-for-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "de11d9070d336723bcff9e7ec9696065f789d977dd8eb9b025ebba43c3a59636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de11d9070d336723bcff9e7ec9696065f789d977dd8eb9b025ebba43c3a59636", kill_on_drop: false }`
[INFO] [stdout] de11d9070d336723bcff9e7ec9696065f789d977dd8eb9b025ebba43c3a59636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 4794373e87ee8b08e6b2888d196b4800b69610d6d49a4b777f313ef506e78df2
[INFO] running `Command { std: "docker" "start" "-a" "4794373e87ee8b08e6b2888d196b4800b69610d6d49a4b777f313ef506e78df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling step6-rvemu-for-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4794373e87ee8b08e6b2888d196b4800b69610d6d49a4b777f313ef506e78df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4794373e87ee8b08e6b2888d196b4800b69610d6d49a4b777f313ef506e78df2", kill_on_drop: false }`
[INFO] [stdout] 4794373e87ee8b08e6b2888d196b4800b69610d6d49a4b777f313ef506e78df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 070c2a229b6b8a6d68bc683a38ec15bb8d3f8145739538d15aa4803458a18dcc
[INFO] running `Command { std: "docker" "start" "-a" "070c2a229b6b8a6d68bc683a38ec15bb8d3f8145739538d15aa4803458a18dcc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/step6_rvemu_for_book-fe8ef3cc8f1c9146)
[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" "070c2a229b6b8a6d68bc683a38ec15bb8d3f8145739538d15aa4803458a18dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070c2a229b6b8a6d68bc683a38ec15bb8d3f8145739538d15aa4803458a18dcc", kill_on_drop: false }`
[INFO] [stdout] 070c2a229b6b8a6d68bc683a38ec15bb8d3f8145739538d15aa4803458a18dcc