[INFO] crate dedup_by 0.1.0 is already in cache
[INFO] extracting crate dedup_by 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dedup_by/0.1.0
[INFO] extracting crate dedup_by 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dedup_by/0.1.0
[INFO] validating manifest of dedup_by-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 dedup_by-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 dedup_by-0.1.0
[INFO] finished frobbing dedup_by-0.1.0
[INFO] frobbed toml for dedup_by-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dedup_by/0.1.0/Cargo.toml
[INFO] started frobbing dedup_by-0.1.0
[INFO] finished frobbing dedup_by-0.1.0
[INFO] frobbed toml for dedup_by-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dedup_by/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 dedup_by-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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dedup_by/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] 0e44f17ee1953fc1e764fcbcda14f7030af0050e5dea664cf36c76870c9dd648
[INFO] running `"docker" "start" "-a" "0e44f17ee1953fc1e764fcbcda14f7030af0050e5dea664cf36c76870c9dd648"`
[INFO] [stderr]    Compiling dedup_by v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `"docker" "inspect" "0e44f17ee1953fc1e764fcbcda14f7030af0050e5dea664cf36c76870c9dd648"`
[INFO] running `"docker" "rm" "-f" "0e44f17ee1953fc1e764fcbcda14f7030af0050e5dea664cf36c76870c9dd648"`
[INFO] [stdout] 0e44f17ee1953fc1e764fcbcda14f7030af0050e5dea664cf36c76870c9dd648
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dedup_by/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] 2851abbd3e6fe0914edf3e44d3408ad8a2dc1b001331832e9920f0434d1b2c70
[INFO] running `"docker" "start" "-a" "2851abbd3e6fe0914edf3e44d3408ad8a2dc1b001331832e9920f0434d1b2c70"`
[INFO] [stderr]    Compiling dedup_by v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "2851abbd3e6fe0914edf3e44d3408ad8a2dc1b001331832e9920f0434d1b2c70"`
[INFO] running `"docker" "rm" "-f" "2851abbd3e6fe0914edf3e44d3408ad8a2dc1b001331832e9920f0434d1b2c70"`
[INFO] [stdout] 2851abbd3e6fe0914edf3e44d3408ad8a2dc1b001331832e9920f0434d1b2c70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dedup_by/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] ddcf96997f94c3f65d4d7bca2ec762d926be142d6de77b8439d5cb7d670f249c
[INFO] running `"docker" "start" "-a" "ddcf96997f94c3f65d4d7bca2ec762d926be142d6de77b8439d5cb7d670f249c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dedup_by-8f13602bacf96723
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_dedup_by ... ok
[INFO] [stderr]    Doc-tests dedup_by
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - dedup_by (line 11) ... 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" "ddcf96997f94c3f65d4d7bca2ec762d926be142d6de77b8439d5cb7d670f249c"`
[INFO] running `"docker" "rm" "-f" "ddcf96997f94c3f65d4d7bca2ec762d926be142d6de77b8439d5cb7d670f249c"`
[INFO] [stdout] ddcf96997f94c3f65d4d7bca2ec762d926be142d6de77b8439d5cb7d670f249c