[INFO] crate immut_string 0.1.0 is already in cache
[INFO] extracting crate immut_string 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/immut_string/0.1.0
[INFO] extracting crate immut_string 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/immut_string/0.1.0
[INFO] validating manifest of immut_string-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 immut_string-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 immut_string-0.1.0
[INFO] finished frobbing immut_string-0.1.0
[INFO] frobbed toml for immut_string-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/immut_string/0.1.0/Cargo.toml
[INFO] started frobbing immut_string-0.1.0
[INFO] finished frobbing immut_string-0.1.0
[INFO] frobbed toml for immut_string-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/immut_string/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 immut_string-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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/immut_string/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] ef2b1f4b8b21d92d74b5ded4546eb14b4c20d72d46f4f29da059c3f9ecd2d04b
[INFO] running `"docker" "start" "-a" "ef2b1f4b8b21d92d74b5ded4546eb14b4c20d72d46f4f29da059c3f9ecd2d04b"`
[INFO] [stderr]    Compiling immut_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "ef2b1f4b8b21d92d74b5ded4546eb14b4c20d72d46f4f29da059c3f9ecd2d04b"`
[INFO] running `"docker" "rm" "-f" "ef2b1f4b8b21d92d74b5ded4546eb14b4c20d72d46f4f29da059c3f9ecd2d04b"`
[INFO] [stdout] ef2b1f4b8b21d92d74b5ded4546eb14b4c20d72d46f4f29da059c3f9ecd2d04b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/immut_string/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] 88a7025e475a2a194e9a52d11d5cb6083e71a264a5dfb67642418375ce8db560
[INFO] running `"docker" "start" "-a" "88a7025e475a2a194e9a52d11d5cb6083e71a264a5dfb67642418375ce8db560"`
[INFO] [stderr]    Compiling immut_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "88a7025e475a2a194e9a52d11d5cb6083e71a264a5dfb67642418375ce8db560"`
[INFO] running `"docker" "rm" "-f" "88a7025e475a2a194e9a52d11d5cb6083e71a264a5dfb67642418375ce8db560"`
[INFO] [stdout] 88a7025e475a2a194e9a52d11d5cb6083e71a264a5dfb67642418375ce8db560
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/immut_string/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] 0423bca369757b3db55b3739a8ea06e32fe5c9e5fe00c65cf6fd3a55bf01276b
[INFO] running `"docker" "start" "-a" "0423bca369757b3db55b3739a8ea06e32fe5c9e5fe00c65cf6fd3a55bf01276b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/immut_string-a13d7b3f5d46d1ae
[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 immut_string
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 141) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 97) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString (line 9) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 166) ... ok
[INFO] [stdout] test src/immut_string.rs - immut_string::ImmutString::add (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0423bca369757b3db55b3739a8ea06e32fe5c9e5fe00c65cf6fd3a55bf01276b"`
[INFO] running `"docker" "rm" "-f" "0423bca369757b3db55b3739a8ea06e32fe5c9e5fe00c65cf6fd3a55bf01276b"`
[INFO] [stdout] 0423bca369757b3db55b3739a8ea06e32fe5c9e5fe00c65cf6fd3a55bf01276b