[INFO] fetching crate flow-rs 0.0.0-alpha.0...
[INFO] testing flow-rs-0.0.0-alpha.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate flow-rs 0.0.0-alpha.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate flow-rs 0.0.0-alpha.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] finished tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] tweaked toml for crates.io crate flow-rs 0.0.0-alpha.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c8bd0001fdcfc0140cd0ea4be67349b2e0b96c0f0544c3d0dbc3bb66a0597b
[INFO] running `Command { std: "docker" "start" "-a" "f6c8bd0001fdcfc0140cd0ea4be67349b2e0b96c0f0544c3d0dbc3bb66a0597b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c8bd0001fdcfc0140cd0ea4be67349b2e0b96c0f0544c3d0dbc3bb66a0597b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c8bd0001fdcfc0140cd0ea4be67349b2e0b96c0f0544c3d0dbc3bb66a0597b", kill_on_drop: false }`
[INFO] [stdout] f6c8bd0001fdcfc0140cd0ea4be67349b2e0b96c0f0544c3d0dbc3bb66a0597b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bad498d2e8016c37a3e7e116aeb5b7bac7950aad6e971070cabcc20b2cb156d
[INFO] running `Command { std: "docker" "start" "-a" "6bad498d2e8016c37a3e7e116aeb5b7bac7950aad6e971070cabcc20b2cb156d", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "6bad498d2e8016c37a3e7e116aeb5b7bac7950aad6e971070cabcc20b2cb156d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bad498d2e8016c37a3e7e116aeb5b7bac7950aad6e971070cabcc20b2cb156d", kill_on_drop: false }`
[INFO] [stdout] 6bad498d2e8016c37a3e7e116aeb5b7bac7950aad6e971070cabcc20b2cb156d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aadf2ab9d0f362855abea812e72f2e6ac6e636e41d1a92d08968cd08f971307c
[INFO] running `Command { std: "docker" "start" "-a" "aadf2ab9d0f362855abea812e72f2e6ac6e636e41d1a92d08968cd08f971307c", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "aadf2ab9d0f362855abea812e72f2e6ac6e636e41d1a92d08968cd08f971307c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadf2ab9d0f362855abea812e72f2e6ac6e636e41d1a92d08968cd08f971307c", kill_on_drop: false }`
[INFO] [stdout] aadf2ab9d0f362855abea812e72f2e6ac6e636e41d1a92d08968cd08f971307c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9435fb5b5238979a102acfbc068a14330e85beb09ad17502cb2e3fcf2deb6822
[INFO] running `Command { std: "docker" "start" "-a" "9435fb5b5238979a102acfbc068a14330e85beb09ad17502cb2e3fcf2deb6822", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flow_rs-419ad611876058c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests flow-rs
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "9435fb5b5238979a102acfbc068a14330e85beb09ad17502cb2e3fcf2deb6822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9435fb5b5238979a102acfbc068a14330e85beb09ad17502cb2e3fcf2deb6822", kill_on_drop: false }`
[INFO] [stdout] 9435fb5b5238979a102acfbc068a14330e85beb09ad17502cb2e3fcf2deb6822