[INFO] crate task-hookrs 0.6.0 is already in cache
[INFO] extracting crate task-hookrs 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/task-hookrs/0.6.0
[INFO] extracting crate task-hookrs 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task-hookrs/0.6.0
[INFO] validating manifest of task-hookrs-0.6.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of task-hookrs-0.6.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing task-hookrs-0.6.0
[INFO] finished frobbing task-hookrs-0.6.0
[INFO] frobbed toml for task-hookrs-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/task-hookrs/0.6.0/Cargo.toml
[INFO] started frobbing task-hookrs-0.6.0
[INFO] finished frobbing task-hookrs-0.6.0
[INFO] frobbed toml for task-hookrs-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task-hookrs/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing task-hookrs-0.6.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task-hookrs/0.6.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 734ce566e8c51113705644d23d49aedfb35b9a06a9dd160dca57b586d3c8cd2e
[INFO] running `"docker" "start" "-a" "734ce566e8c51113705644d23d49aedfb35b9a06a9dd160dca57b586d3c8cd2e"`
[INFO] [stderr]    Compiling derive_builder v0.6.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling darling_core v0.6.3
[INFO] [stderr]    Compiling darling_macro v0.6.3
[INFO] [stderr]    Compiling darling v0.6.3
[INFO] [stderr]    Compiling derive_builder_core v0.3.0
[INFO] [stderr]    Compiling task-hookrs v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.52s
[INFO] running `"docker" "inspect" "734ce566e8c51113705644d23d49aedfb35b9a06a9dd160dca57b586d3c8cd2e"`
[INFO] running `"docker" "rm" "-f" "734ce566e8c51113705644d23d49aedfb35b9a06a9dd160dca57b586d3c8cd2e"`
[INFO] [stdout] 734ce566e8c51113705644d23d49aedfb35b9a06a9dd160dca57b586d3c8cd2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task-hookrs/0.6.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d1a8e4a9e12c121b3ed37353ebec51e75e6dcd8f269370003db1cc10d653d69b
[INFO] running `"docker" "start" "-a" "d1a8e4a9e12c121b3ed37353ebec51e75e6dcd8f269370003db1cc10d653d69b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling task-hookrs v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `env_logger` is imported redundantly
[INFO] [stderr]    --> src/task.rs:816:13
[INFO] [stderr]     |
[INFO] [stderr] 816 |         use env_logger;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:59:1
[INFO] [stderr]     |
[INFO] [stderr] 59  | extern crate env_logger;
[INFO] [stderr]     | ------------------------ the item `env_logger` is already imported here
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:40:5
[INFO] [stderr]     |
[INFO] [stderr] 40  |     unused_imports,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `"docker" "inspect" "d1a8e4a9e12c121b3ed37353ebec51e75e6dcd8f269370003db1cc10d653d69b"`
[INFO] running `"docker" "rm" "-f" "d1a8e4a9e12c121b3ed37353ebec51e75e6dcd8f269370003db1cc10d653d69b"`
[INFO] [stdout] d1a8e4a9e12c121b3ed37353ebec51e75e6dcd8f269370003db1cc10d653d69b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task-hookrs/0.6.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 31b1702442163a29cc6d3f09926bbf89c28708013dcf4765bf505cb01eb35a76
[INFO] running `"docker" "start" "-a" "31b1702442163a29cc6d3f09926bbf89c28708013dcf4765bf505cb01eb35a76"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/task_hookrs-af49c512109b0510
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test task::test::test_builder_defaults ... ok
[INFO] [stdout] test import::test_two_single ... ok
[INFO] [stdout] test task::test::test_builder_extensive ... ok
[INFO] [stdout] test task::test::test_deser ... ok
[INFO] [stdout] test import::test_one ... ok
[INFO] [stdout] test import::test_one_single ... ok
[INFO] [stdout] test import::test_two ... ok
[INFO] [stdout] test task::test::test_deser_annotation ... ok
[INFO] [stdout] test task::test::test_deser_more ... ok
[INFO] [stdout] test task::test::test_builder_simple ... ok
[INFO] [stdout] test task::test::test_uda ... ok
[INFO] [stdout] test task::test::test_builder_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task-hookrs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "31b1702442163a29cc6d3f09926bbf89c28708013dcf4765bf505cb01eb35a76"`
[INFO] running `"docker" "rm" "-f" "31b1702442163a29cc6d3f09926bbf89c28708013dcf4765bf505cb01eb35a76"`
[INFO] [stdout] 31b1702442163a29cc6d3f09926bbf89c28708013dcf4765bf505cb01eb35a76