[INFO] crate better-panic 0.1.2 is already in cache
[INFO] extracting crate better-panic 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/better-panic/0.1.2
[INFO] extracting crate better-panic 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/better-panic/0.1.2
[INFO] validating manifest of better-panic-0.1.2 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 better-panic-0.1.2 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 better-panic-0.1.2
[INFO] finished frobbing better-panic-0.1.2
[INFO] frobbed toml for better-panic-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/better-panic/0.1.2/Cargo.toml
[INFO] started frobbing better-panic-0.1.2
[INFO] finished frobbing better-panic-0.1.2
[INFO] frobbed toml for better-panic-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/better-panic/0.1.2/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 better-panic-0.1.2 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/better-panic/0.1.2:/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] c6e4111b38b1bcdce5bdd3f317398bdac297d20ef6e8304744ede2a388f53204
[INFO] running `"docker" "start" "-a" "c6e4111b38b1bcdce5bdd3f317398bdac297d20ef6e8304744ede2a388f53204"`
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling better-panic v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "c6e4111b38b1bcdce5bdd3f317398bdac297d20ef6e8304744ede2a388f53204"`
[INFO] running `"docker" "rm" "-f" "c6e4111b38b1bcdce5bdd3f317398bdac297d20ef6e8304744ede2a388f53204"`
[INFO] [stdout] c6e4111b38b1bcdce5bdd3f317398bdac297d20ef6e8304744ede2a388f53204
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/better-panic/0.1.2:/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] 02111b1f9f287f75080ecd1c3043396631a3d206d7414f1b71b841a431a33216
[INFO] running `"docker" "start" "-a" "02111b1f9f287f75080ecd1c3043396631a3d206d7414f1b71b841a431a33216"`
[INFO] [stderr]    Compiling better-panic v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "02111b1f9f287f75080ecd1c3043396631a3d206d7414f1b71b841a431a33216"`
[INFO] running `"docker" "rm" "-f" "02111b1f9f287f75080ecd1c3043396631a3d206d7414f1b71b841a431a33216"`
[INFO] [stdout] 02111b1f9f287f75080ecd1c3043396631a3d206d7414f1b71b841a431a33216
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/better-panic/0.1.2:/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] c91f996001ce86e4c28030073f05e1fcc3976084f22d5ff2108cc0566bb915d4
[INFO] running `"docker" "start" "-a" "c91f996001ce86e4c28030073f05e1fcc3976084f22d5ff2108cc0566bb915d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/better_panic-38c353eb49d23a03
[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 better-panic
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c91f996001ce86e4c28030073f05e1fcc3976084f22d5ff2108cc0566bb915d4"`
[INFO] running `"docker" "rm" "-f" "c91f996001ce86e4c28030073f05e1fcc3976084f22d5ff2108cc0566bb915d4"`
[INFO] [stdout] c91f996001ce86e4c28030073f05e1fcc3976084f22d5ff2108cc0566bb915d4