[INFO] crate bugsnag 0.2.1 is already in cache
[INFO] extracting crate bugsnag 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/bugsnag/0.2.1
[INFO] extracting crate bugsnag 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bugsnag/0.2.1
[INFO] validating manifest of bugsnag-0.2.1 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 bugsnag-0.2.1 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 bugsnag-0.2.1
[INFO] finished frobbing bugsnag-0.2.1
[INFO] frobbed toml for bugsnag-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/bugsnag/0.2.1/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 bugsnag-0.2.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 19f310dd0775aaf3746646b8bcff12a4d97c3a1ec9525980ca38fa4d8643d6c0
[INFO] running `"docker" "start" "-a" "19f310dd0775aaf3746646b8bcff12a4d97c3a1ec9525980ca38fa4d8643d6c0"`
[INFO] [stderr]    Compiling sys-info v0.5.7
[INFO] [stderr]    Compiling bugsnag v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "19f310dd0775aaf3746646b8bcff12a4d97c3a1ec9525980ca38fa4d8643d6c0"`
[INFO] running `"docker" "rm" "-f" "19f310dd0775aaf3746646b8bcff12a4d97c3a1ec9525980ca38fa4d8643d6c0"`
[INFO] [stdout] 19f310dd0775aaf3746646b8bcff12a4d97c3a1ec9525980ca38fa4d8643d6c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1f918733ad9f3d91037921ec9e16883edb7813c067840e5101d73b4721e365d8
[INFO] running `"docker" "start" "-a" "1f918733ad9f3d91037921ec9e16883edb7813c067840e5101d73b4721e365d8"`
[INFO] [stderr]    Compiling serde_test v1.0.98
[INFO] [stderr]    Compiling bugsnag v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `"docker" "inspect" "1f918733ad9f3d91037921ec9e16883edb7813c067840e5101d73b4721e365d8"`
[INFO] running `"docker" "rm" "-f" "1f918733ad9f3d91037921ec9e16883edb7813c067840e5101d73b4721e365d8"`
[INFO] [stdout] 1f918733ad9f3d91037921ec9e16883edb7813c067840e5101d73b4721e365d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 48fcbed0fc8427f57e828f3edd74ddbb2d10749d35e55ef9ae9a77d785aeb38b
[INFO] running `"docker" "start" "-a" "48fcbed0fc8427f57e828f3edd74ddbb2d10749d35e55ef9ae9a77d785aeb38b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bugsnag-0222746ca0596a8f
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test bugsnag_impl::tests::test_warning_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_with_version_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_with_type_to_json ... ok
[INFO] [stdout] test appinfo::tests::test_appinfo_with_release_stage_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 appinfo::tests::test_appinfo_to_json ... ok
[INFO] [stdout] test exception::tests::test_exception_to_json ... ok
[INFO] [stdout] test event::tests::test_event_with_context_to_json ... ok
[INFO] [stdout] test notification::tests::test_notification_to_json ... ok
[INFO] [stdout] test event::tests::test_event_to_json ... ok
[INFO] [stdout] test deviceinfo::tests::test_deviceinfo_to_json ... ok
[INFO] [stdout] test event::tests::test_event_with_app_info_to_json ... ok
[INFO] [stdout] test bugsnag_impl::tests::test_get_project_dir ... 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 deviceinfo::tests::test_deviceinfo_to_json_with_set ... ok
[INFO] [stdout] test notification::tests::test_notification_with_event_to_json ... 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" "48fcbed0fc8427f57e828f3edd74ddbb2d10749d35e55ef9ae9a77d785aeb38b"`
[INFO] running `"docker" "rm" "-f" "48fcbed0fc8427f57e828f3edd74ddbb2d10749d35e55ef9ae9a77d785aeb38b"`
[INFO] [stdout] 48fcbed0fc8427f57e828f3edd74ddbb2d10749d35e55ef9ae9a77d785aeb38b