[INFO] crate tagref 1.2.0 is already in cache
[INFO] extracting crate tagref 1.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tagref/1.2.0
[INFO] extracting crate tagref 1.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tagref/1.2.0
[INFO] validating manifest of tagref-1.2.0 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 tagref-1.2.0 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 tagref-1.2.0
[INFO] finished frobbing tagref-1.2.0
[INFO] frobbed toml for tagref-1.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/tagref/1.2.0/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 tagref-1.2.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9a8e7729abf4e8b829f18062586b99de8bc87aef5027cda9a5855c1c8b4fecfc
[INFO] running `"docker" "start" "-a" "9a8e7729abf4e8b829f18062586b99de8bc87aef5027cda9a5855c1c8b4fecfc"`
[INFO] [stderr]    Compiling tagref v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "9a8e7729abf4e8b829f18062586b99de8bc87aef5027cda9a5855c1c8b4fecfc"`
[INFO] running `"docker" "rm" "-f" "9a8e7729abf4e8b829f18062586b99de8bc87aef5027cda9a5855c1c8b4fecfc"`
[INFO] [stdout] 9a8e7729abf4e8b829f18062586b99de8bc87aef5027cda9a5855c1c8b4fecfc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6b8f2b8bc71c6b9fb42910e37aa1b1b26506591ebd550ba456b9e31cecd2a29d
[INFO] running `"docker" "start" "-a" "6b8f2b8bc71c6b9fb42910e37aa1b1b26506591ebd550ba456b9e31cecd2a29d"`
[INFO] [stderr]    Compiling tagref v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "6b8f2b8bc71c6b9fb42910e37aa1b1b26506591ebd550ba456b9e31cecd2a29d"`
[INFO] running `"docker" "rm" "-f" "6b8f2b8bc71c6b9fb42910e37aa1b1b26506591ebd550ba456b9e31cecd2a29d"`
[INFO] [stdout] 6b8f2b8bc71c6b9fb42910e37aa1b1b26506591ebd550ba456b9e31cecd2a29d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c6d2bf4f864be690a9630a68485884765026c5d73f6d31e03cb71cf520424cfc
[INFO] running `"docker" "start" "-a" "c6d2bf4f864be690a9630a68485884765026c5d73f6d31e03cb71cf520424cfc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tagref-c684e751382a31ce
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test citations::tests::check_empty ... ok
[INFO] [stdout] test citations::tests::check_missing ... ok
[INFO] [stdout] test citations::tests::check_ok ... ok
[INFO] [stdout] test duplicates::tests::check_dupes ... ok
[INFO] [stdout] test count::tests::count_zero ... ok
[INFO] [stdout] test count::tests::count_two ... ok
[INFO] [stdout] test duplicates::tests::check_no_dupes ... ok
[INFO] [stdout] test duplicates::tests::check_empty ... ok
[INFO] [stdout] test count::tests::count_one ... ok
[INFO] [stdout] test label::tests::parse_ref_basic ... ok
[INFO] [stdout] test label::tests::parse_empty ... ok
[INFO] [stdout] test label::tests::parse_multiple_lines ... ok
[INFO] [stdout] test label::tests::parse_case ... ok
[INFO] [stdout] test label::tests::parse_tag_basic ... ok
[INFO] [stdout] test label::tests::parse_multiple_per_line ... ok
[INFO] [stdout] test label::tests::parse_whitespace ... 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" "c6d2bf4f864be690a9630a68485884765026c5d73f6d31e03cb71cf520424cfc"`
[INFO] running `"docker" "rm" "-f" "c6d2bf4f864be690a9630a68485884765026c5d73f6d31e03cb71cf520424cfc"`
[INFO] [stdout] c6d2bf4f864be690a9630a68485884765026c5d73f6d31e03cb71cf520424cfc