[INFO] updating cached repository b-m-f/rust_ls
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/b-m-f/rust_ls
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/rust_ls" "work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/rust_ls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/rust_ls'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/rust_ls" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b86e3afb536dfe28e419681345be13c17f137a2
[INFO] sha for GitHub repo b-m-f/rust_ls: 7b86e3afb536dfe28e419681345be13c17f137a2
[INFO] validating manifest of b-m-f/rust_ls 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 b-m-f/rust_ls 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 b-m-f/rust_ls
[INFO] finished frobbing b-m-f/rust_ls
[INFO] frobbed toml for b-m-f/rust_ls written to work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/rust_ls/Cargo.toml
[INFO] started frobbing b-m-f/rust_ls
[INFO] finished frobbing b-m-f/rust_ls
[INFO] frobbed toml for b-m-f/rust_ls written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls/Cargo.toml
[INFO] crate b-m-f/rust_ls 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 b-m-f/rust_ls against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b5b1c12a30d182b58d101890c990b4b6a08211d961d2b5d70fa927193317769d
[INFO] running `"docker" "start" "-a" "b5b1c12a30d182b58d101890c990b4b6a08211d961d2b5d70fa927193317769d"`
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "b5b1c12a30d182b58d101890c990b4b6a08211d961d2b5d70fa927193317769d"`
[INFO] running `"docker" "rm" "-f" "b5b1c12a30d182b58d101890c990b4b6a08211d961d2b5d70fa927193317769d"`
[INFO] [stdout] b5b1c12a30d182b58d101890c990b4b6a08211d961d2b5d70fa927193317769d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f1814c4e8c9cf5f05d6b5832fa36ac687349b1d7636f8895ee33fe27db2a988
[INFO] running `"docker" "start" "-a" "8f1814c4e8c9cf5f05d6b5832fa36ac687349b1d7636f8895ee33fe27db2a988"`
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "8f1814c4e8c9cf5f05d6b5832fa36ac687349b1d7636f8895ee33fe27db2a988"`
[INFO] running `"docker" "rm" "-f" "8f1814c4e8c9cf5f05d6b5832fa36ac687349b1d7636f8895ee33fe27db2a988"`
[INFO] [stdout] 8f1814c4e8c9cf5f05d6b5832fa36ac687349b1d7636f8895ee33fe27db2a988
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/rust_ls:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f2a71f07a1d6ee71cd5a3ac99269aac5dc7d3381edbc7afd5f2bde5e9e6fca78
[INFO] running `"docker" "start" "-a" "f2a71f07a1d6ee71cd5a3ac99269aac5dc7d3381edbc7afd5f2bde5e9e6fca78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ls-e020bc5c48b95078
[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" "f2a71f07a1d6ee71cd5a3ac99269aac5dc7d3381edbc7afd5f2bde5e9e6fca78"`
[INFO] running `"docker" "rm" "-f" "f2a71f07a1d6ee71cd5a3ac99269aac5dc7d3381edbc7afd5f2bde5e9e6fca78"`
[INFO] [stdout] f2a71f07a1d6ee71cd5a3ac99269aac5dc7d3381edbc7afd5f2bde5e9e6fca78