[INFO] crate string-intern 0.1.7 is already in cache
[INFO] extracting crate string-intern 0.1.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/string-intern/0.1.7
[INFO] extracting crate string-intern 0.1.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/string-intern/0.1.7
[INFO] validating manifest of string-intern-0.1.7 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 string-intern-0.1.7 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 string-intern-0.1.7
[INFO] finished frobbing string-intern-0.1.7
[INFO] frobbed toml for string-intern-0.1.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/string-intern/0.1.7/Cargo.toml
[INFO] started frobbing string-intern-0.1.7
[INFO] finished frobbing string-intern-0.1.7
[INFO] frobbed toml for string-intern-0.1.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/string-intern/0.1.7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing string-intern-0.1.7 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-7/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/string-intern/0.1.7:/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] 263a7f669e4cee69fec2b3c295f905353b468e332758af4c907d9da04a184ce2
[INFO] running `"docker" "start" "-a" "263a7f669e4cee69fec2b3c295f905353b468e332758af4c907d9da04a184ce2"`
[INFO] [stderr]    Compiling string-intern v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "263a7f669e4cee69fec2b3c295f905353b468e332758af4c907d9da04a184ce2"`
[INFO] running `"docker" "rm" "-f" "263a7f669e4cee69fec2b3c295f905353b468e332758af4c907d9da04a184ce2"`
[INFO] [stdout] 263a7f669e4cee69fec2b3c295f905353b468e332758af4c907d9da04a184ce2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/string-intern/0.1.7:/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] fc72fabff1da5338ec737b1080834f5a3e96b537a40101cd7fb3d9ebb28a5fa1
[INFO] running `"docker" "start" "-a" "fc72fabff1da5338ec737b1080834f5a3e96b537a40101cd7fb3d9ebb28a5fa1"`
[INFO] [stderr]    Compiling string-intern v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: argument must be of the form: `expected = "error message"`
[INFO] [stderr]    --> src/base_type.rs:314:5
[INFO] [stderr]     |
[INFO] [stderr] 314 |     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "fc72fabff1da5338ec737b1080834f5a3e96b537a40101cd7fb3d9ebb28a5fa1"`
[INFO] running `"docker" "rm" "-f" "fc72fabff1da5338ec737b1080834f5a3e96b537a40101cd7fb3d9ebb28a5fa1"`
[INFO] [stdout] fc72fabff1da5338ec737b1080834f5a3e96b537a40101cd7fb3d9ebb28a5fa1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/string-intern/0.1.7:/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] 51c03b76915f4acb05275f1f898454f665297319e6e82da97b836474296d15b8
[INFO] running `"docker" "start" "-a" "51c03b76915f4acb05275f1f898454f665297319e6e82da97b836474296d15b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/string_intern-810dd2d373e42316
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test base_type::test::clone ... ok
[INFO] [stdout] test base_type::test::encode_serde ... ok
[INFO] [stdout] test base_type::test::decode_serde ... ok
[INFO] [stdout] test base_type::test::encode ... ok
[INFO] [stdout] test base_type::test::ord ... ok
[INFO] [stdout] test base_type::test::hash ... ok
[INFO] [stdout] test base_type::test::eq ... ok
[INFO] [stdout] test test::test_send ... ok
[INFO] [stdout] test test::test_sync ... ok
[INFO] [stdout] test base_type::test::decode ... ok
[INFO] [stdout] test base_type::test::distinct_validators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-intern
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/base_type.rs - base_type::Symbol (line 26) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51c03b76915f4acb05275f1f898454f665297319e6e82da97b836474296d15b8"`
[INFO] running `"docker" "rm" "-f" "51c03b76915f4acb05275f1f898454f665297319e6e82da97b836474296d15b8"`
[INFO] [stdout] 51c03b76915f4acb05275f1f898454f665297319e6e82da97b836474296d15b8