[INFO] crate z 0.2.0 is already in cache
[INFO] extracting crate z 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/z/0.2.0
[INFO] extracting crate z 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/z/0.2.0
[INFO] validating manifest of z-0.2.0 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 z-0.2.0 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 z-0.2.0
[INFO] finished frobbing z-0.2.0
[INFO] frobbed toml for z-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/z/0.2.0/Cargo.toml
[INFO] started frobbing z-0.2.0
[INFO] finished frobbing z-0.2.0
[INFO] frobbed toml for z-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/z/0.2.0/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 z-0.2.0 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/z/0.2.0:/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] afaa43cb765aee114391e82a59067ffd89d193a7154b4711cd30a0ea04be5f32
[INFO] running `"docker" "start" "-a" "afaa43cb765aee114391e82a59067ffd89d193a7154b4711cd30a0ea04be5f32"`
[INFO] [stderr]    Compiling z v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "afaa43cb765aee114391e82a59067ffd89d193a7154b4711cd30a0ea04be5f32"`
[INFO] running `"docker" "rm" "-f" "afaa43cb765aee114391e82a59067ffd89d193a7154b4711cd30a0ea04be5f32"`
[INFO] [stdout] afaa43cb765aee114391e82a59067ffd89d193a7154b4711cd30a0ea04be5f32
[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/z/0.2.0:/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] ccf79c8da68f794165d8aad1da8caf1a0eb28aa0e6acb38e3f412fd257edf052
[INFO] running `"docker" "start" "-a" "ccf79c8da68f794165d8aad1da8caf1a0eb28aa0e6acb38e3f412fd257edf052"`
[INFO] [stderr]    Compiling z v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "ccf79c8da68f794165d8aad1da8caf1a0eb28aa0e6acb38e3f412fd257edf052"`
[INFO] running `"docker" "rm" "-f" "ccf79c8da68f794165d8aad1da8caf1a0eb28aa0e6acb38e3f412fd257edf052"`
[INFO] [stdout] ccf79c8da68f794165d8aad1da8caf1a0eb28aa0e6acb38e3f412fd257edf052
[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/z/0.2.0:/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] c6ea7e63d6d0f41974e4e8f5c916b35c8b8b552449cbe40a5cc39305e45a500e
[INFO] running `"docker" "start" "-a" "c6ea7e63d6d0f41974e4e8f5c916b35c8b8b552449cbe40a5cc39305e45a500e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/z-471e1e50fab29363
[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 z
[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] running `"docker" "inspect" "c6ea7e63d6d0f41974e4e8f5c916b35c8b8b552449cbe40a5cc39305e45a500e"`
[INFO] running `"docker" "rm" "-f" "c6ea7e63d6d0f41974e4e8f5c916b35c8b8b552449cbe40a5cc39305e45a500e"`
[INFO] [stdout] c6ea7e63d6d0f41974e4e8f5c916b35c8b8b552449cbe40a5cc39305e45a500e