[INFO] crate derive-error 0.0.4 is already in cache
[INFO] extracting crate derive-error 0.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/derive-error/0.0.4
[INFO] extracting crate derive-error 0.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derive-error/0.0.4
[INFO] validating manifest of derive-error-0.0.4 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 derive-error-0.0.4 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 derive-error-0.0.4
[INFO] finished frobbing derive-error-0.0.4
[INFO] frobbed toml for derive-error-0.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/derive-error/0.0.4/Cargo.toml
[INFO] started frobbing derive-error-0.0.4
[INFO] finished frobbing derive-error-0.0.4
[INFO] frobbed toml for derive-error-0.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derive-error/0.0.4/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 derive-error-0.0.4 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-0/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/derive-error/0.0.4:/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] 0d9745a6083bac06155eca2ed03f1050e5fbf1a952b401560a20bd7f8fe0efa7
[INFO] running `"docker" "start" "-a" "0d9745a6083bac06155eca2ed03f1050e5fbf1a952b401560a20bd7f8fe0efa7"`
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling derive-error v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/error.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         let doc = line.trim_left_matches("///");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "0d9745a6083bac06155eca2ed03f1050e5fbf1a952b401560a20bd7f8fe0efa7"`
[INFO] running `"docker" "rm" "-f" "0d9745a6083bac06155eca2ed03f1050e5fbf1a952b401560a20bd7f8fe0efa7"`
[INFO] [stdout] 0d9745a6083bac06155eca2ed03f1050e5fbf1a952b401560a20bd7f8fe0efa7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/derive-error/0.0.4:/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] 2fc21c349c7b0d36dba34a9990858cc0c0a6ae27488fc8e96e8371fbf4f64100
[INFO] running `"docker" "start" "-a" "2fc21c349c7b0d36dba34a9990858cc0c0a6ae27488fc8e96e8371fbf4f64100"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling rspec v1.0.0-beta.4
[INFO] [stderr]    Compiling derive-error v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/error.rs:202:40
[INFO] [stderr]     |
[INFO] [stderr] 202 |                         let doc = line.trim_left_matches("///");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `"docker" "inspect" "2fc21c349c7b0d36dba34a9990858cc0c0a6ae27488fc8e96e8371fbf4f64100"`
[INFO] running `"docker" "rm" "-f" "2fc21c349c7b0d36dba34a9990858cc0c0a6ae27488fc8e96e8371fbf4f64100"`
[INFO] [stdout] 2fc21c349c7b0d36dba34a9990858cc0c0a6ae27488fc8e96e8371fbf4f64100
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/derive-error/0.0.4:/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] b2fa2d90fd8d772bd85e39105bf3037378752d2be84570ff8b86fb07b0cb4b03
[INFO] running `"docker" "start" "-a" "b2fa2d90fd8d772bd85e39105bf3037378752d2be84570ff8b86fb07b0cb4b03"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/derive_error-3ee4e27f4f6ec434
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/behaviour-29b9b36dc000d3bb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] tests:
[INFO] [stdout] 
[INFO] [stdout] Describe "the implementation"
[INFO] [stdout]   It "should be able to derive from unit structs" ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored
[INFO] [stdout] test error_behaviour ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests derive-error
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b2fa2d90fd8d772bd85e39105bf3037378752d2be84570ff8b86fb07b0cb4b03"`
[INFO] running `"docker" "rm" "-f" "b2fa2d90fd8d772bd85e39105bf3037378752d2be84570ff8b86fb07b0cb4b03"`
[INFO] [stdout] b2fa2d90fd8d772bd85e39105bf3037378752d2be84570ff8b86fb07b0cb4b03