[INFO] fetching crate rsvr 0.0.1-alpha.0...
[INFO] testing rsvr-0.0.1-alpha.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rsvr 0.0.1-alpha.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate rsvr 0.0.1-alpha.0 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 crates.io crate rsvr 0.0.1-alpha.0
[INFO] finished tweaking crates.io crate rsvr 0.0.1-alpha.0
[INFO] tweaked toml for crates.io crate rsvr 0.0.1-alpha.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] a489a8782fd1445f08b4013b6dfb5e8d0f566c5b31c46ab758d445425dbd56b8
[INFO] running `Command { std: "docker" "start" "-a" "a489a8782fd1445f08b4013b6dfb5e8d0f566c5b31c46ab758d445425dbd56b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a489a8782fd1445f08b4013b6dfb5e8d0f566c5b31c46ab758d445425dbd56b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a489a8782fd1445f08b4013b6dfb5e8d0f566c5b31c46ab758d445425dbd56b8", kill_on_drop: false }`
[INFO] [stdout] a489a8782fd1445f08b4013b6dfb5e8d0f566c5b31c46ab758d445425dbd56b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 4af52a0b34098dd945bf8f3b8f835d79b5f28d3cfa7d5ae51306dcf049fdfb17
[INFO] running `Command { std: "docker" "start" "-a" "4af52a0b34098dd945bf8f3b8f835d79b5f28d3cfa7d5ae51306dcf049fdfb17", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsvr v0.0.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "4af52a0b34098dd945bf8f3b8f835d79b5f28d3cfa7d5ae51306dcf049fdfb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af52a0b34098dd945bf8f3b8f835d79b5f28d3cfa7d5ae51306dcf049fdfb17", kill_on_drop: false }`
[INFO] [stdout] 4af52a0b34098dd945bf8f3b8f835d79b5f28d3cfa7d5ae51306dcf049fdfb17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 3468db9d67e5bfaca20bb3553d04ef594ede31eda1d6b73e3c9ce1c1b4e31e76
[INFO] running `Command { std: "docker" "start" "-a" "3468db9d67e5bfaca20bb3553d04ef594ede31eda1d6b73e3c9ce1c1b4e31e76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rsvr v0.0.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "3468db9d67e5bfaca20bb3553d04ef594ede31eda1d6b73e3c9ce1c1b4e31e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3468db9d67e5bfaca20bb3553d04ef594ede31eda1d6b73e3c9ce1c1b4e31e76", kill_on_drop: false }`
[INFO] [stdout] 3468db9d67e5bfaca20bb3553d04ef594ede31eda1d6b73e3c9ce1c1b4e31e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] ace67bd45560ef2bf927932e569da1e1b81b512907752d12b4b0f9afadc742a1
[INFO] running `Command { std: "docker" "start" "-a" "ace67bd45560ef2bf927932e569da1e1b81b512907752d12b4b0f9afadc742a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsvr-aa64453223ea6ecc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rsvr
[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] [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" "ace67bd45560ef2bf927932e569da1e1b81b512907752d12b4b0f9afadc742a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace67bd45560ef2bf927932e569da1e1b81b512907752d12b4b0f9afadc742a1", kill_on_drop: false }`
[INFO] [stdout] ace67bd45560ef2bf927932e569da1e1b81b512907752d12b4b0f9afadc742a1