[INFO] crate control-flow 0.1.1 is already in cache
[INFO] extracting crate control-flow 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/control-flow/0.1.1
[INFO] extracting crate control-flow 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/control-flow/0.1.1
[INFO] validating manifest of control-flow-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of control-flow-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing control-flow-0.1.1
[INFO] finished frobbing control-flow-0.1.1
[INFO] frobbed toml for control-flow-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/control-flow/0.1.1/Cargo.toml
[INFO] started frobbing control-flow-0.1.1
[INFO] finished frobbing control-flow-0.1.1
[INFO] frobbed toml for control-flow-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/control-flow/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing control-flow-0.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/control-flow/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8b8f32573ecb2b7c8e753436627b228522d5c517fc15a86f1c06f667434cb03e
[INFO] running `"docker" "start" "-a" "8b8f32573ecb2b7c8e753436627b228522d5c517fc15a86f1c06f667434cb03e"`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "8b8f32573ecb2b7c8e753436627b228522d5c517fc15a86f1c06f667434cb03e"`
[INFO] running `"docker" "rm" "-f" "8b8f32573ecb2b7c8e753436627b228522d5c517fc15a86f1c06f667434cb03e"`
[INFO] [stdout] 8b8f32573ecb2b7c8e753436627b228522d5c517fc15a86f1c06f667434cb03e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/control-flow/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 15ccf58a3703cee356fd65d007ce6b3c81ef29e6e96fd3b0827a85ef2d8f728a
[INFO] running `"docker" "start" "-a" "15ccf58a3703cee356fd65d007ce6b3c81ef29e6e96fd3b0827a85ef2d8f728a"`
[INFO] [stderr]    Compiling control-flow v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "15ccf58a3703cee356fd65d007ce6b3c81ef29e6e96fd3b0827a85ef2d8f728a"`
[INFO] running `"docker" "rm" "-f" "15ccf58a3703cee356fd65d007ce6b3c81ef29e6e96fd3b0827a85ef2d8f728a"`
[INFO] [stdout] 15ccf58a3703cee356fd65d007ce6b3c81ef29e6e96fd3b0827a85ef2d8f728a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/control-flow/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4c8bf0ccabf1d989a08b24bf5b6393402e3ef66aab31a28ffd2ecd8f61fe782b
[INFO] running `"docker" "start" "-a" "4c8bf0ccabf1d989a08b24bf5b6393402e3ef66aab31a28ffd2ecd8f61fe782b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/control_flow-f7e9f8bdf2d352d9
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::store_ctrl ... ok
[INFO] [stdout] test tests::return_early ... ok
[INFO] [stdout] test tests::loop_break ... ok
[INFO] [stdout] test tests::direct_value ... 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
[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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "4c8bf0ccabf1d989a08b24bf5b6393402e3ef66aab31a28ffd2ecd8f61fe782b"`
[INFO] running `"docker" "rm" "-f" "4c8bf0ccabf1d989a08b24bf5b6393402e3ef66aab31a28ffd2ecd8f61fe782b"`
[INFO] [stdout] 4c8bf0ccabf1d989a08b24bf5b6393402e3ef66aab31a28ffd2ecd8f61fe782b