[INFO] updating cached repository just-cli/just-extension
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/just-cli/just-extension
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/just-cli/just-extension" "work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/just-cli/just-extension" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/just-cli/just-extension"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/just-cli/just-extension'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7345f0707cade8b98cefa57572ea3356542d238f
[INFO] sha for GitHub repo just-cli/just-extension: 7345f0707cade8b98cefa57572ea3356542d238f
[INFO] validating manifest of just-cli/just-extension 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 just-cli/just-extension 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 just-cli/just-extension
[INFO] finished frobbing just-cli/just-extension
[INFO] frobbed toml for just-cli/just-extension written to work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension/Cargo.toml
[INFO] started frobbing just-cli/just-extension
[INFO] finished frobbing just-cli/just-extension
[INFO] frobbed toml for just-cli/just-extension written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/just-cli/just-extension/Cargo.toml
[INFO] crate just-cli/just-extension already has a lockfile, it will not be regenerated
[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 just-cli/just-extension 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension:/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] b13e82c3c47830345a98c272fe59b242bbb909901d8199d1f2696042e638b5ce
[INFO] running `"docker" "start" "-a" "b13e82c3c47830345a98c272fe59b242bbb909901d8199d1f2696042e638b5ce"`
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling duct v0.11.1
[INFO] [stderr]    Compiling just-core v0.1.0 (https://github.com/just-cli/just-core#ddf9fedf)
[INFO] [stderr]    Compiling just-extension v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `"docker" "inspect" "b13e82c3c47830345a98c272fe59b242bbb909901d8199d1f2696042e638b5ce"`
[INFO] running `"docker" "rm" "-f" "b13e82c3c47830345a98c272fe59b242bbb909901d8199d1f2696042e638b5ce"`
[INFO] [stdout] b13e82c3c47830345a98c272fe59b242bbb909901d8199d1f2696042e638b5ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension:/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] b2bcf278532c29336bb19e830c604503677a2c21e3169653d382ce66da36d773
[INFO] running `"docker" "start" "-a" "b2bcf278532c29336bb19e830c604503677a2c21e3169653d382ce66da36d773"`
[INFO] [stderr]    Compiling just-extension v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "b2bcf278532c29336bb19e830c604503677a2c21e3169653d382ce66da36d773"`
[INFO] running `"docker" "rm" "-f" "b2bcf278532c29336bb19e830c604503677a2c21e3169653d382ce66da36d773"`
[INFO] [stdout] b2bcf278532c29336bb19e830c604503677a2c21e3169653d382ce66da36d773
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/just-cli/just-extension:/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] 5eb4fe9da2fad9c8293161a96d5c91841402c374d367e28407647785a89040ba
[INFO] running `"docker" "start" "-a" "5eb4fe9da2fad9c8293161a96d5c91841402c374d367e28407647785a89040ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/just_extension-60270c9b5bce25db
[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 just-extension
[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" "5eb4fe9da2fad9c8293161a96d5c91841402c374d367e28407647785a89040ba"`
[INFO] running `"docker" "rm" "-f" "5eb4fe9da2fad9c8293161a96d5c91841402c374d367e28407647785a89040ba"`
[INFO] [stdout] 5eb4fe9da2fad9c8293161a96d5c91841402c374d367e28407647785a89040ba