[INFO] crate len-trait 0.6.1 is already in cache
[INFO] extracting crate len-trait 0.6.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/len-trait/0.6.1
[INFO] extracting crate len-trait 0.6.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/len-trait/0.6.1
[INFO] validating manifest of len-trait-0.6.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of len-trait-0.6.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/len-trait/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing len-trait-0.6.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 63e07a80b1863e4ff9414285c7637a23a37f506e3690c260cfda8aa23f1269df
[INFO] running `"docker" "start" "-a" "63e07a80b1863e4ff9414285c7637a23a37f506e3690c260cfda8aa23f1269df"`
[INFO] [stderr]    Compiling len-trait v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "63e07a80b1863e4ff9414285c7637a23a37f506e3690c260cfda8aa23f1269df"`
[INFO] running `"docker" "rm" "-f" "63e07a80b1863e4ff9414285c7637a23a37f506e3690c260cfda8aa23f1269df"`
[INFO] [stdout] 63e07a80b1863e4ff9414285c7637a23a37f506e3690c260cfda8aa23f1269df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e5f0cbdb53c26b9c7cd58b771448457fcbb93d29ab187dfd7a4a8e94e7bf062
[INFO] running `"docker" "start" "-a" "1e5f0cbdb53c26b9c7cd58b771448457fcbb93d29ab187dfd7a4a8e94e7bf062"`
[INFO] [stderr]    Compiling len-trait v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "1e5f0cbdb53c26b9c7cd58b771448457fcbb93d29ab187dfd7a4a8e94e7bf062"`
[INFO] running `"docker" "rm" "-f" "1e5f0cbdb53c26b9c7cd58b771448457fcbb93d29ab187dfd7a4a8e94e7bf062"`
[INFO] [stdout] 1e5f0cbdb53c26b9c7cd58b771448457fcbb93d29ab187dfd7a4a8e94e7bf062
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 17127f5aebf5e546d646c94b1677a950aa20be564ead5bd528bc271aa8297256
[INFO] running `"docker" "start" "-a" "17127f5aebf5e546d646c94b1677a950aa20be564ead5bd528bc271aa8297256"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/len_trait-96ed94a0940eb1c3
[INFO] [stderr]    Doc-tests len-trait
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::shrink_to_fit (line 150) ... ok
[INFO] [stdout] test src/len.rs - len::Empty::is_empty (line 11) ... ok
[INFO] [stdout] test src/len.rs - len::Len::len (line 40) ... ok
[INFO] [stdout] test src/len.rs - len::Clear::clear (line 64) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::reserve (line 93) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::WithCapacity::with_capacity (line 57) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::Capacity::capacity (line 19) ... 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" "17127f5aebf5e546d646c94b1677a950aa20be564ead5bd528bc271aa8297256"`
[INFO] running `"docker" "rm" "-f" "17127f5aebf5e546d646c94b1677a950aa20be564ead5bd528bc271aa8297256"`
[INFO] [stdout] 17127f5aebf5e546d646c94b1677a950aa20be564ead5bd528bc271aa8297256