[INFO] crate jrust 0.2.0 is already in cache
[INFO] extracting crate jrust 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/jrust/0.2.0
[INFO] extracting crate jrust 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jrust/0.2.0
[INFO] validating manifest of jrust-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 jrust-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 jrust-0.2.0
[INFO] finished frobbing jrust-0.2.0
[INFO] frobbed toml for jrust-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jrust/0.2.0/Cargo.toml
[INFO] started frobbing jrust-0.2.0
[INFO] finished frobbing jrust-0.2.0
[INFO] frobbed toml for jrust-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jrust/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 jrust-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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/jrust/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] 8a7681e10ee940ef555ea3702c4eb1dca0d2429946ecde1618eb6cf67e04a883
[INFO] running `"docker" "start" "-a" "8a7681e10ee940ef555ea3702c4eb1dca0d2429946ecde1618eb6cf67e04a883"`
[INFO] [stderr]    Compiling jrust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "8a7681e10ee940ef555ea3702c4eb1dca0d2429946ecde1618eb6cf67e04a883"`
[INFO] running `"docker" "rm" "-f" "8a7681e10ee940ef555ea3702c4eb1dca0d2429946ecde1618eb6cf67e04a883"`
[INFO] [stdout] 8a7681e10ee940ef555ea3702c4eb1dca0d2429946ecde1618eb6cf67e04a883
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/jrust/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] b821acb2a7d38efdd737185cbf300ef867297ea8ebb9fd60989f78e920770a46
[INFO] running `"docker" "start" "-a" "b821acb2a7d38efdd737185cbf300ef867297ea8ebb9fd60989f78e920770a46"`
[INFO] [stderr]    Compiling jrust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `"docker" "inspect" "b821acb2a7d38efdd737185cbf300ef867297ea8ebb9fd60989f78e920770a46"`
[INFO] running `"docker" "rm" "-f" "b821acb2a7d38efdd737185cbf300ef867297ea8ebb9fd60989f78e920770a46"`
[INFO] [stdout] b821acb2a7d38efdd737185cbf300ef867297ea8ebb9fd60989f78e920770a46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/jrust/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] cc2c799922ae1adc14253693420b60b1f083f5e085acc30172e01b4554b244d2
[INFO] running `"docker" "start" "-a" "cc2c799922ae1adc14253693420b60b1f083f5e085acc30172e01b4554b244d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jrust-228500292419e39f
[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 jrust
[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" "cc2c799922ae1adc14253693420b60b1f083f5e085acc30172e01b4554b244d2"`
[INFO] running `"docker" "rm" "-f" "cc2c799922ae1adc14253693420b60b1f083f5e085acc30172e01b4554b244d2"`
[INFO] [stdout] cc2c799922ae1adc14253693420b60b1f083f5e085acc30172e01b4554b244d2