[INFO] crate bugsnag 0.2.1 is already in cache
[INFO] extracting crate bugsnag 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/bugsnag/0.2.1
[INFO] extracting crate bugsnag 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bugsnag/0.2.1
[INFO] validating manifest of bugsnag-0.2.1 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 bugsnag-0.2.1 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 bugsnag-0.2.1
[INFO] finished frobbing bugsnag-0.2.1
[INFO] frobbed toml for bugsnag-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bugsnag/0.2.1/Cargo.toml
[INFO] started frobbing bugsnag-0.2.1
[INFO] finished frobbing bugsnag-0.2.1
[INFO] frobbed toml for bugsnag-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bugsnag/0.2.1/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 bugsnag-0.2.1 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-2/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/bugsnag/0.2.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0a8f65910b580ece97c8fefad090ac6ee23723dbfa4b59d6d9555742703a0c61
[INFO] running `"docker" "start" "-a" "0a8f65910b580ece97c8fefad090ac6ee23723dbfa4b59d6d9555742703a0c61"`
[INFO] [stderr]    Compiling bugsnag v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "0a8f65910b580ece97c8fefad090ac6ee23723dbfa4b59d6d9555742703a0c61"`
[INFO] running `"docker" "rm" "-f" "0a8f65910b580ece97c8fefad090ac6ee23723dbfa4b59d6d9555742703a0c61"`
[INFO] [stdout] 0a8f65910b580ece97c8fefad090ac6ee23723dbfa4b59d6d9555742703a0c61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/bugsnag/0.2.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6e72989e150f4b3d7c02d73005fa63e5daabc6254adb604f7b3c41ee4cff2fa4
[INFO] running `"docker" "start" "-a" "6e72989e150f4b3d7c02d73005fa63e5daabc6254adb604f7b3c41ee4cff2fa4"`
[INFO] [stderr]    Compiling bugsnag v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "6e72989e150f4b3d7c02d73005fa63e5daabc6254adb604f7b3c41ee4cff2fa4"`
[INFO] running `"docker" "rm" "-f" "6e72989e150f4b3d7c02d73005fa63e5daabc6254adb604f7b3c41ee4cff2fa4"`
[INFO] [stdout] 6e72989e150f4b3d7c02d73005fa63e5daabc6254adb604f7b3c41ee4cff2fa4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/bugsnag/0.2.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 54e8199d9b0559f5583ac562476fc725a65c7cd4f71a5a86a933cbb5a4ac3bf6
[INFO] running `"docker" "start" "-a" "54e8199d9b0559f5583ac562476fc725a65c7cd4f71a5a86a933cbb5a4ac3bf6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bugsnag-6662ebfe07322098
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test appinfo::tests::test_appinfo_with_type_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_with_version_to_json ... ok
[INFO] [stdout] test bugsnag_impl::tests::test_error_to_json ... ok
[INFO] [stdout] test bugsnag_impl::tests::test_info_to_json ... ok
[INFO] [stdout] test bugsnag_impl::tests::test_warning_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_with_release_stage_to_json ... ok
[INFO] [stdout] test bugsnag_impl::tests::test_get_project_dir ... ok
[INFO] [stdout] test deviceinfo::tests::test_deviceinfo_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_to_json ... ok
[INFO] [stdout] test stacktrace::tests::test_create_stacktrace ... ignored
[INFO] [stdout] test stacktrace::tests::test_create_stacktrace_with_ignore ... ignored
[INFO] [stdout] test stacktrace::tests::test_frame_to_json ... ok
[INFO] [stdout] test notification::tests::test_notification_to_json ... ok
[INFO] [stdout] test event::tests::test_event_with_app_info_to_json ... ok
[INFO] [stdout] test notification::tests::test_notification_with_event_to_json ... ok
[INFO] [stdout] test event::tests::test_event_with_context_to_json ... ok
[INFO] [stdout] test exception::tests::test_exception_to_json ... ok
[INFO] [stdout] test event::tests::test_event_to_json ... ok
[INFO] [stdout] test deviceinfo::tests::test_deviceinfo_to_json_with_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bugsnag
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 7) ... 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" "54e8199d9b0559f5583ac562476fc725a65c7cd4f71a5a86a933cbb5a4ac3bf6"`
[INFO] running `"docker" "rm" "-f" "54e8199d9b0559f5583ac562476fc725a65c7cd4f71a5a86a933cbb5a4ac3bf6"`
[INFO] [stdout] 54e8199d9b0559f5583ac562476fc725a65c7cd4f71a5a86a933cbb5a4ac3bf6