[INFO] fetching crate alpha 0.0.0...
[INFO] testing alpha-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate alpha 0.0.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate alpha 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alpha 0.0.0
[INFO] finished tweaking crates.io crate alpha 0.0.0
[INFO] tweaked toml for crates.io crate alpha 0.0.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ee2fd9846be6360ab7df5d71d6e9c0a0a2d83ea0bac9013409723b2544e9da
[INFO] running `Command { std: "docker" "start" "-a" "83ee2fd9846be6360ab7df5d71d6e9c0a0a2d83ea0bac9013409723b2544e9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ee2fd9846be6360ab7df5d71d6e9c0a0a2d83ea0bac9013409723b2544e9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ee2fd9846be6360ab7df5d71d6e9c0a0a2d83ea0bac9013409723b2544e9da", kill_on_drop: false }`
[INFO] [stdout] 83ee2fd9846be6360ab7df5d71d6e9c0a0a2d83ea0bac9013409723b2544e9da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee9ff7bca848e2bcd27dc171471a6be11bcfeba5e66cb35cc6f4fa6d7259b18
[INFO] running `Command { std: "docker" "start" "-a" "bee9ff7bca848e2bcd27dc171471a6be11bcfeba5e66cb35cc6f4fa6d7259b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling alpha v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "bee9ff7bca848e2bcd27dc171471a6be11bcfeba5e66cb35cc6f4fa6d7259b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee9ff7bca848e2bcd27dc171471a6be11bcfeba5e66cb35cc6f4fa6d7259b18", kill_on_drop: false }`
[INFO] [stdout] bee9ff7bca848e2bcd27dc171471a6be11bcfeba5e66cb35cc6f4fa6d7259b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4eb16e0b95037eda57bb43000178c189a2796ff66e55529908efcef8104be06
[INFO] running `Command { std: "docker" "start" "-a" "d4eb16e0b95037eda57bb43000178c189a2796ff66e55529908efcef8104be06", kill_on_drop: false }`
[INFO] [stderr]    Compiling alpha v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "d4eb16e0b95037eda57bb43000178c189a2796ff66e55529908efcef8104be06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4eb16e0b95037eda57bb43000178c189a2796ff66e55529908efcef8104be06", kill_on_drop: false }`
[INFO] [stdout] d4eb16e0b95037eda57bb43000178c189a2796ff66e55529908efcef8104be06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a3f7d525da1fb2fe7f8f8c4c69193398be4c30798dfec5676c0ccf86812a315
[INFO] running `Command { std: "docker" "start" "-a" "9a3f7d525da1fb2fe7f8f8c4c69193398be4c30798dfec5676c0ccf86812a315", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alpha-5713d846411030f3)
[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] [stderr]    Doc-tests alpha
[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" "9a3f7d525da1fb2fe7f8f8c4c69193398be4c30798dfec5676c0ccf86812a315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3f7d525da1fb2fe7f8f8c4c69193398be4c30798dfec5676c0ccf86812a315", kill_on_drop: false }`
[INFO] [stdout] 9a3f7d525da1fb2fe7f8f8c4c69193398be4c30798dfec5676c0ccf86812a315