[INFO] updating cached repository rcook/rust-expr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rcook/rust-expr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rcook/rust-expr" "work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rcook/rust-expr" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rcook/rust-expr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rcook/rust-expr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 386713d3f24daa9ec543e75e4be9459946cf3254
[INFO] sha for GitHub repo rcook/rust-expr: 386713d3f24daa9ec543e75e4be9459946cf3254
[INFO] validating manifest of rcook/rust-expr 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 rcook/rust-expr 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 rcook/rust-expr
[INFO] finished frobbing rcook/rust-expr
[INFO] frobbed toml for rcook/rust-expr written to work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr/Cargo.toml
[INFO] started frobbing rcook/rust-expr
[INFO] finished frobbing rcook/rust-expr
[INFO] frobbed toml for rcook/rust-expr written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rcook/rust-expr/Cargo.toml
[INFO] crate rcook/rust-expr 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 rcook/rust-expr 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr:/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] ed449a49829ecd15075b19618d60c903627ed99160079114fd121fcbdb1eb99d
[INFO] running `"docker" "start" "-a" "ed449a49829ecd15075b19618d60c903627ed99160079114fd121fcbdb1eb99d"`
[INFO] [stderr]    Compiling rust-expr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "ed449a49829ecd15075b19618d60c903627ed99160079114fd121fcbdb1eb99d"`
[INFO] running `"docker" "rm" "-f" "ed449a49829ecd15075b19618d60c903627ed99160079114fd121fcbdb1eb99d"`
[INFO] [stdout] ed449a49829ecd15075b19618d60c903627ed99160079114fd121fcbdb1eb99d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr:/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] 6f01715b9eaec07159761898aae6e844bc3973db6ff2e7bd7ac5997d255edeea
[INFO] running `"docker" "start" "-a" "6f01715b9eaec07159761898aae6e844bc3973db6ff2e7bd7ac5997d255edeea"`
[INFO] [stderr]    Compiling rust-expr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "6f01715b9eaec07159761898aae6e844bc3973db6ff2e7bd7ac5997d255edeea"`
[INFO] running `"docker" "rm" "-f" "6f01715b9eaec07159761898aae6e844bc3973db6ff2e7bd7ac5997d255edeea"`
[INFO] [stdout] 6f01715b9eaec07159761898aae6e844bc3973db6ff2e7bd7ac5997d255edeea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rcook/rust-expr:/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] 0e592d79ac03cd41fafecd0d66416bb112b93956a521fb65ea4c728facb43c17
[INFO] running `"docker" "start" "-a" "0e592d79ac03cd41fafecd0d66416bb112b93956a521fb65ea4c728facb43c17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_expr-0462e2d2092c7082
[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" "0e592d79ac03cd41fafecd0d66416bb112b93956a521fb65ea4c728facb43c17"`
[INFO] running `"docker" "rm" "-f" "0e592d79ac03cd41fafecd0d66416bb112b93956a521fb65ea4c728facb43c17"`
[INFO] [stdout] 0e592d79ac03cd41fafecd0d66416bb112b93956a521fb65ea4c728facb43c17