[INFO] fetching crate control-flow 0.1.1...
[INFO] testing control-flow-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate control-flow 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate control-flow 0.1.1 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 control-flow 0.1.1
[INFO] finished tweaking crates.io crate control-flow 0.1.1
[INFO] tweaked toml for crates.io crate control-flow 0.1.1 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cc7a2ac83d69aceec40307e9fa097acddd301ce00307b0f2c4ca7389a0f09b0e
[INFO] running `Command { std: "docker" "start" "-a" "cc7a2ac83d69aceec40307e9fa097acddd301ce00307b0f2c4ca7389a0f09b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7a2ac83d69aceec40307e9fa097acddd301ce00307b0f2c4ca7389a0f09b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7a2ac83d69aceec40307e9fa097acddd301ce00307b0f2c4ca7389a0f09b0e", kill_on_drop: false }`
[INFO] [stdout] cc7a2ac83d69aceec40307e9fa097acddd301ce00307b0f2c4ca7389a0f09b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8c046333d71832f5dcaf07ad946ceaa5bcdd3c1638571541a9530c53c4e74b3b
[INFO] running `Command { std: "docker" "start" "-a" "8c046333d71832f5dcaf07ad946ceaa5bcdd3c1638571541a9530c53c4e74b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "8c046333d71832f5dcaf07ad946ceaa5bcdd3c1638571541a9530c53c4e74b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c046333d71832f5dcaf07ad946ceaa5bcdd3c1638571541a9530c53c4e74b3b", kill_on_drop: false }`
[INFO] [stdout] 8c046333d71832f5dcaf07ad946ceaa5bcdd3c1638571541a9530c53c4e74b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0b1c83fde5c0e0c2c2be176f7b0920dff6efcbc9ac5b9c7ffc2e0eed7f77d9f3
[INFO] running `Command { std: "docker" "start" "-a" "0b1c83fde5c0e0c2c2be176f7b0920dff6efcbc9ac5b9c7ffc2e0eed7f77d9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0b1c83fde5c0e0c2c2be176f7b0920dff6efcbc9ac5b9c7ffc2e0eed7f77d9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1c83fde5c0e0c2c2be176f7b0920dff6efcbc9ac5b9c7ffc2e0eed7f77d9f3", kill_on_drop: false }`
[INFO] [stdout] 0b1c83fde5c0e0c2c2be176f7b0920dff6efcbc9ac5b9c7ffc2e0eed7f77d9f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 48ddb5272ee5f4df760f302b373bc0e4d19b879b6064aecd76c1054dad1d2361
[INFO] running `Command { std: "docker" "start" "-a" "48ddb5272ee5f4df760f302b373bc0e4d19b879b6064aecd76c1054dad1d2361", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/control_flow-57c18db7b073f1d0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::direct_value ... ok
[INFO] [stdout] test tests::return_early ... ok
[INFO] [stdout] test tests::loop_break ... ok
[INFO] [stdout] test tests::store_ctrl ... ok
[INFO] [stdout] test tests::loop_continue ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests control-flow
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate control_flow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0468`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "48ddb5272ee5f4df760f302b373bc0e4d19b879b6064aecd76c1054dad1d2361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ddb5272ee5f4df760f302b373bc0e4d19b879b6064aecd76c1054dad1d2361", kill_on_drop: false }`
[INFO] [stdout] 48ddb5272ee5f4df760f302b373bc0e4d19b879b6064aecd76c1054dad1d2361