[INFO] crate supercow 0.1.0 is already in cache
[INFO] extracting crate supercow 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/supercow/0.1.0
[INFO] extracting crate supercow 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/supercow/0.1.0
[INFO] validating manifest of supercow-0.1.0 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 supercow-0.1.0 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 supercow-0.1.0
[INFO] finished frobbing supercow-0.1.0
[INFO] frobbed toml for supercow-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/supercow/0.1.0/Cargo.toml
[INFO] started frobbing supercow-0.1.0
[INFO] finished frobbing supercow-0.1.0
[INFO] frobbed toml for supercow-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/supercow/0.1.0/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 supercow-0.1.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/supercow/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e63139240af2ee93493563481b281aa1f1c6bbaf6ccf0628d3169efee0f2b5ea
[INFO] running `"docker" "start" "-a" "e63139240af2ee93493563481b281aa1f1c6bbaf6ccf0628d3169efee0f2b5ea"`
[INFO] [stderr]    Compiling supercow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "e63139240af2ee93493563481b281aa1f1c6bbaf6ccf0628d3169efee0f2b5ea"`
[INFO] running `"docker" "rm" "-f" "e63139240af2ee93493563481b281aa1f1c6bbaf6ccf0628d3169efee0f2b5ea"`
[INFO] [stdout] e63139240af2ee93493563481b281aa1f1c6bbaf6ccf0628d3169efee0f2b5ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/supercow/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] efbba49b6bfeadcb18cff6c5d111c5143c0678e66472a1bd1c2032f767741fca
[INFO] running `"docker" "start" "-a" "efbba49b6bfeadcb18cff6c5d111c5143c0678e66472a1bd1c2032f767741fca"`
[INFO] [stderr]    Compiling supercow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `"docker" "inspect" "efbba49b6bfeadcb18cff6c5d111c5143c0678e66472a1bd1c2032f767741fca"`
[INFO] running `"docker" "rm" "-f" "efbba49b6bfeadcb18cff6c5d111c5143c0678e66472a1bd1c2032f767741fca"`
[INFO] [stdout] efbba49b6bfeadcb18cff6c5d111c5143c0678e66472a1bd1c2032f767741fca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/supercow/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3f96de9fe2e3a7f3c766d27e36dcb4e5665eb73a6092e172cb5acfdbad5cdd46
[INFO] running `"docker" "start" "-a" "3f96de9fe2e3a7f3c766d27e36dcb4e5665eb73a6092e172cb5acfdbad5cdd46"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/supercow-4ee70f8957a48a17
[INFO] [stdout] 
[INFO] [stdout] running 125 tests
[INFO] [stdout] test boxed_nonsync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test boxed_nonsync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_string_str ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test boxed_nonsync_tests::default_accepts_arc ... ok
[INFO] [stdout] test boxed_nonsync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::ref_to_owned ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_owned_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test boxed_nonsync_tests::supports_dst ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_owned ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test boxed_nonsync_tests::take_ownership_shared ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_owned ... ok
[INFO] [stdout] test boxed_nonsync_tests::unborrow_shared ... ok
[INFO] [stdout] test boxed_sync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::default_accepts_arc ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_shared_supercow ... ok
[INFO] [stdout] test boxed_nonsync_tests::shared_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test boxed_sync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test boxed_sync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test boxed_sync_tests::owned_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::dst_string_str ... ok
[INFO] [stdout] test boxed_sync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test boxed_sync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test boxed_sync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::ref_to_owned ... ok
[INFO] [stdout] test boxed_sync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::share_shared_supercow ... ok
[INFO] [stdout] test boxed_sync_tests::shared_phantomcow ... ok
[INFO] [stdout] test boxed_sync_tests::supports_dst ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_owned ... ok
[INFO] [stdout] test boxed_sync_tests::take_ownership_shared ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_owned ... ok
[INFO] [stdout] test boxed_sync_tests::unborrow_shared ... ok
[INFO] [stdout] test inline_nonsync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::default_accepts_arc ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test boxed_sync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test boxed_sync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test boxed_nonsync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_nonsync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test inline_nonsync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test boxed_sync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_nonsync_tests::ref_to_owned ... ok
[INFO] [stdout] test inline_nonsync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_string_str ... ok
[INFO] [stdout] test inline_nonsync_tests::owned_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_shared_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::share_owned_supercow ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_owned ... ok
[INFO] [stdout] test inline_nonsync_tests::supports_dst ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test inline_nonsync_tests::take_ownership_shared ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_owned ... ok
[INFO] [stdout] test inline_sync_tests::borrowed_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test inline_sync_tests::clone_shared_phantomcow ... ok
[INFO] [stdout] test inline_nonsync_tests::unborrow_shared ... ok
[INFO] [stdout] test inline_sync_tests::clone_owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::default_accepts_arc ... ok
[INFO] [stdout] test inline_sync_tests::clone_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::dst_osstring_osstr ... ok
[INFO] [stdout] test inline_sync_tests::dst_vec_u8s ... ok
[INFO] [stdout] test inline_sync_tests::dst_cstring_cstr ... ok
[INFO] [stdout] test inline_sync_tests::dst_string_str ... ok
[INFO] [stdout] test inline_sync_tests::general_trait_delegs_work ... ok
[INFO] [stdout] test inline_sync_tests::owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::owned_mode_survives_moving ... ok
[INFO] [stdout] test inline_sync_tests::ref_to_owned ... ok
[INFO] [stdout] test inline_sync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test boxed_sync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test inline_nonsync_tests::ref_safe_even_if_forgotten ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_dst_supercow ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_dst_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::share_shared_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::share_owned_supercow ... ok
[INFO] [stdout] test inline_sync_tests::share_shared_supercow ... ok
[INFO] [stdout] test inline_sync_tests::shared_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::supports_dst ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_borrowed ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_owned ... ok
[INFO] [stdout] test inline_sync_tests::take_ownership_shared ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_borrowed ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_owned ... ok
[INFO] [stdout] test inline_sync_tests::unborrow_shared ... ok
[INFO] [stdout] test misc_tests::do_add_two ... ok
[INFO] [stdout] test inline_sync_tests::share_borrowed_supercow ... ok
[INFO] [stdout] test inline_sync_tests::share_borrowed_phantomcow ... ok
[INFO] [stdout] test inline_sync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test inline_nonsync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] test boxed_nonsync_tests::dst_pathbuf_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 125 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests supercow
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs -  (line 331) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 246) ... ok
[INFO] [stdout] test src/lib.rs -  (line 477) ... ok
[INFO] [stdout] test src/lib.rs -  (line 621) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 280) ... ok
[INFO] [stdout] test src/lib.rs -  (line 359) ... ok
[INFO] [stdout] test src/lib.rs -  (line 502) ... ok
[INFO] [stdout] test src/lib.rs -  (line 129) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/lib.rs -  (line 106) ... ok
[INFO] [stdout] test src/lib.rs -  (line 538) ... ok
[INFO] [stdout] test src/lib.rs - NonSyncSupercow (line 975) ... ok
[INFO] [stdout] test src/lib.rs -  (line 714) ... ok
[INFO] [stdout] test src/lib.rs -  (line 688) ... ok
[INFO] [stdout] test src/lib.rs - Supercow::clone_non_owned (line 1241) ... ok
[INFO] [stdout] test src/lib.rs - Supercow::extract_ref (line 1424) ... ok
[INFO] [stdout] test src/lib.rs - Supercow::share (line 1281) ... ok
[INFO] [stdout] test src/lib.rs - supercow_features (line 763) ... ok
[INFO] [stdout] test src/lib.rs - Supercow::take_ownership (line 1556) ... ok
[INFO] [stdout] test src/lib.rs - Supercow::unborrow (line 1511) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3f96de9fe2e3a7f3c766d27e36dcb4e5665eb73a6092e172cb5acfdbad5cdd46"`
[INFO] running `"docker" "rm" "-f" "3f96de9fe2e3a7f3c766d27e36dcb4e5665eb73a6092e172cb5acfdbad5cdd46"`
[INFO] [stdout] 3f96de9fe2e3a7f3c766d27e36dcb4e5665eb73a6092e172cb5acfdbad5cdd46