[INFO] crate tagref 1.2.0 is already in cache
[INFO] extracting crate tagref 1.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tagref/1.2.0
[INFO] extracting crate tagref 1.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tagref/1.2.0
[INFO] validating manifest of tagref-1.2.0 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 tagref-1.2.0 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 tagref-1.2.0
[INFO] finished frobbing tagref-1.2.0
[INFO] frobbed toml for tagref-1.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tagref/1.2.0/Cargo.toml
[INFO] started frobbing tagref-1.2.0
[INFO] finished frobbing tagref-1.2.0
[INFO] frobbed toml for tagref-1.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tagref/1.2.0/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 tagref-1.2.0 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/tagref/1.2.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 596e7f5c05325f6b07504c97303f6c0f9fb51c5c20d530d69a387b8a931606b4
[INFO] running `"docker" "start" "-a" "596e7f5c05325f6b07504c97303f6c0f9fb51c5c20d530d69a387b8a931606b4"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling ignore v0.4.9
[INFO] [stderr]    Compiling tagref v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.91s
[INFO] running `"docker" "inspect" "596e7f5c05325f6b07504c97303f6c0f9fb51c5c20d530d69a387b8a931606b4"`
[INFO] running `"docker" "rm" "-f" "596e7f5c05325f6b07504c97303f6c0f9fb51c5c20d530d69a387b8a931606b4"`
[INFO] [stdout] 596e7f5c05325f6b07504c97303f6c0f9fb51c5c20d530d69a387b8a931606b4
[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/tagref/1.2.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e21ab6c48c14351e765295cff6004315468d97b8afae96632dbbf7f73a7b9de7
[INFO] running `"docker" "start" "-a" "e21ab6c48c14351e765295cff6004315468d97b8afae96632dbbf7f73a7b9de7"`
[INFO] [stderr]    Compiling tagref v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "e21ab6c48c14351e765295cff6004315468d97b8afae96632dbbf7f73a7b9de7"`
[INFO] running `"docker" "rm" "-f" "e21ab6c48c14351e765295cff6004315468d97b8afae96632dbbf7f73a7b9de7"`
[INFO] [stdout] e21ab6c48c14351e765295cff6004315468d97b8afae96632dbbf7f73a7b9de7
[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/tagref/1.2.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0876dd6c8fd72d77278b95fbe898f11adb354a05435418825b9f00a8cb158abf
[INFO] running `"docker" "start" "-a" "0876dd6c8fd72d77278b95fbe898f11adb354a05435418825b9f00a8cb158abf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tagref-99017a787ba25fa2
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test citations::tests::check_empty ... ok
[INFO] [stdout] test count::tests::count_one ... ok
[INFO] [stdout] test citations::tests::check_missing ... ok
[INFO] [stdout] test citations::tests::check_ok ... ok
[INFO] [stdout] test count::tests::count_two ... ok
[INFO] [stdout] test count::tests::count_zero ... ok
[INFO] [stdout] test duplicates::tests::check_empty ... ok
[INFO] [stdout] test duplicates::tests::check_dupes ... ok
[INFO] [stdout] test duplicates::tests::check_no_dupes ... ok
[INFO] [stdout] test label::tests::parse_empty ... ok
[INFO] [stdout] test label::tests::parse_tag_basic ... ok
[INFO] [stdout] test label::tests::parse_case ... ok
[INFO] [stdout] test label::tests::parse_ref_basic ... ok
[INFO] [stdout] test label::tests::parse_multiple_per_line ... ok
[INFO] [stdout] test label::tests::parse_whitespace ... ok
[INFO] [stdout] test label::tests::parse_multiple_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0876dd6c8fd72d77278b95fbe898f11adb354a05435418825b9f00a8cb158abf"`
[INFO] running `"docker" "rm" "-f" "0876dd6c8fd72d77278b95fbe898f11adb354a05435418825b9f00a8cb158abf"`
[INFO] [stdout] 0876dd6c8fd72d77278b95fbe898f11adb354a05435418825b9f00a8cb158abf