[INFO] crate core_memo 0.1.0 is already in cache
[INFO] extracting crate core_memo 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/core_memo/0.1.0
[INFO] extracting crate core_memo 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/core_memo/0.1.0
[INFO] validating manifest of core_memo-0.1.0 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 core_memo-0.1.0 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 core_memo-0.1.0
[INFO] finished frobbing core_memo-0.1.0
[INFO] frobbed toml for core_memo-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/core_memo/0.1.0/Cargo.toml
[INFO] started frobbing core_memo-0.1.0
[INFO] finished frobbing core_memo-0.1.0
[INFO] frobbed toml for core_memo-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/core_memo/0.1.0/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 core_memo-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/core_memo/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 399d974f9da702aacb6e8d3497d77a1d10141a328e17a366d98e48b6036dc10b
[INFO] running `"docker" "start" "-a" "399d974f9da702aacb6e8d3497d77a1d10141a328e17a366d98e48b6036dc10b"`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "399d974f9da702aacb6e8d3497d77a1d10141a328e17a366d98e48b6036dc10b"`
[INFO] running `"docker" "rm" "-f" "399d974f9da702aacb6e8d3497d77a1d10141a328e17a366d98e48b6036dc10b"`
[INFO] [stdout] 399d974f9da702aacb6e8d3497d77a1d10141a328e17a366d98e48b6036dc10b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/core_memo/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 526fb9e7dca90cf6cd3fc12cd6ba03eff9b26a1fd066f6f3c4528d9aeed1db70
[INFO] running `"docker" "start" "-a" "526fb9e7dca90cf6cd3fc12cd6ba03eff9b26a1fd066f6f3c4528d9aeed1db70"`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "526fb9e7dca90cf6cd3fc12cd6ba03eff9b26a1fd066f6f3c4528d9aeed1db70"`
[INFO] running `"docker" "rm" "-f" "526fb9e7dca90cf6cd3fc12cd6ba03eff9b26a1fd066f6f3c4528d9aeed1db70"`
[INFO] [stdout] 526fb9e7dca90cf6cd3fc12cd6ba03eff9b26a1fd066f6f3c4528d9aeed1db70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/core_memo/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 509884ce64361ce5d2de27597450dd8d5b4fb1bc07bb5893be9635ba43e632dd
[INFO] running `"docker" "start" "-a" "509884ce64361ce5d2de27597450dd8d5b4fb1bc07bb5893be9635ba43e632dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/core_memo-8635f302e39f590d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::track_calls_own ... ok
[INFO] [stdout] test tests::track_calls_mutation ... ok
[INFO] [stdout] test tests::sums ... ok
[INFO] [stdout] test tests::track_calls_ext ... ok
[INFO] [stdout] test tests::track_calls_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core_memo
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MemoExt (line 170) ... ok
[INFO] [stdout] test src/lib.rs - MemoOnce (line 245) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Memoize (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "509884ce64361ce5d2de27597450dd8d5b4fb1bc07bb5893be9635ba43e632dd"`
[INFO] running `"docker" "rm" "-f" "509884ce64361ce5d2de27597450dd8d5b4fb1bc07bb5893be9635ba43e632dd"`
[INFO] [stdout] 509884ce64361ce5d2de27597450dd8d5b4fb1bc07bb5893be9635ba43e632dd