[INFO] crate len-trait 0.6.1 is already in cache
[INFO] extracting crate len-trait 0.6.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/len-trait/0.6.1
[INFO] extracting crate len-trait 0.6.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/len-trait/0.6.1
[INFO] validating manifest of len-trait-0.6.1 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 len-trait-0.6.1 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 len-trait-0.6.1
[INFO] finished frobbing len-trait-0.6.1
[INFO] frobbed toml for len-trait-0.6.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/len-trait/0.6.1/Cargo.toml
[INFO] started frobbing len-trait-0.6.1
[INFO] finished frobbing len-trait-0.6.1
[INFO] frobbed toml for len-trait-0.6.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/len-trait/0.6.1/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 len-trait-0.6.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/len-trait/0.6.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 83c43f03d5a646ea9e2f7c2720bf8fb2971a09a5cf92fe7eafb409f4b7829359
[INFO] running `"docker" "start" "-a" "83c43f03d5a646ea9e2f7c2720bf8fb2971a09a5cf92fe7eafb409f4b7829359"`
[INFO] [stderr]    Compiling len-trait v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "83c43f03d5a646ea9e2f7c2720bf8fb2971a09a5cf92fe7eafb409f4b7829359"`
[INFO] running `"docker" "rm" "-f" "83c43f03d5a646ea9e2f7c2720bf8fb2971a09a5cf92fe7eafb409f4b7829359"`
[INFO] [stdout] 83c43f03d5a646ea9e2f7c2720bf8fb2971a09a5cf92fe7eafb409f4b7829359
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/len-trait/0.6.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbd0820de2c938e416d6b9d424cfa153a023676580c56e528db6c076dc57347d
[INFO] running `"docker" "start" "-a" "cbd0820de2c938e416d6b9d424cfa153a023676580c56e528db6c076dc57347d"`
[INFO] [stderr]    Compiling len-trait v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "cbd0820de2c938e416d6b9d424cfa153a023676580c56e528db6c076dc57347d"`
[INFO] running `"docker" "rm" "-f" "cbd0820de2c938e416d6b9d424cfa153a023676580c56e528db6c076dc57347d"`
[INFO] [stdout] cbd0820de2c938e416d6b9d424cfa153a023676580c56e528db6c076dc57347d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/len-trait/0.6.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cc04b90f38bc6c6f7b1281b46549f8506eba6909646ecfb25550c49e220d9f80
[INFO] running `"docker" "start" "-a" "cc04b90f38bc6c6f7b1281b46549f8506eba6909646ecfb25550c49e220d9f80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/len_trait-b572601bfc362c7b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests len-trait
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/len.rs - len::Len::len (line 40) ... ok
[INFO] [stdout] test src/len.rs - len::Empty::is_empty (line 11) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::WithCapacity::with_capacity (line 57) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::reserve (line 93) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::shrink_to_fit (line 150) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::Capacity::capacity (line 19) ... ok
[INFO] [stdout] test src/len.rs - len::Clear::clear (line 64) ... ok
[INFO] [stdout] test src/len.rs - len::LenMut::split_off (line 127) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::reserve_exact (line 113) ... ok
[INFO] [stdout] test src/len.rs - len::LenMut::truncate (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cc04b90f38bc6c6f7b1281b46549f8506eba6909646ecfb25550c49e220d9f80"`
[INFO] running `"docker" "rm" "-f" "cc04b90f38bc6c6f7b1281b46549f8506eba6909646ecfb25550c49e220d9f80"`
[INFO] [stdout] cc04b90f38bc6c6f7b1281b46549f8506eba6909646ecfb25550c49e220d9f80