[INFO] updating cached repository ibaryshnikov/rust-workshop-07-dec-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ibaryshnikov/rust-workshop-07-dec-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ibaryshnikov/rust-workshop-07-dec-2018" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ibaryshnikov/rust-workshop-07-dec-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ibaryshnikov/rust-workshop-07-dec-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ibaryshnikov/rust-workshop-07-dec-2018" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f99f82048637494240686bd813adc037c27be429
[INFO] sha for GitHub repo ibaryshnikov/rust-workshop-07-dec-2018: f99f82048637494240686bd813adc037c27be429
[INFO] validating manifest of ibaryshnikov/rust-workshop-07-dec-2018 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ibaryshnikov/rust-workshop-07-dec-2018 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ibaryshnikov/rust-workshop-07-dec-2018
[INFO] finished frobbing ibaryshnikov/rust-workshop-07-dec-2018
[INFO] frobbed toml for ibaryshnikov/rust-workshop-07-dec-2018 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ibaryshnikov/rust-workshop-07-dec-2018/Cargo.toml
[INFO] started frobbing ibaryshnikov/rust-workshop-07-dec-2018
[INFO] finished frobbing ibaryshnikov/rust-workshop-07-dec-2018
[INFO] frobbed toml for ibaryshnikov/rust-workshop-07-dec-2018 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018/Cargo.toml
[INFO] crate ibaryshnikov/rust-workshop-07-dec-2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ibaryshnikov/rust-workshop-07-dec-2018 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 67afa6d6a907149052941895cc3613949582f385df814e5d28f3be7d5101f802
[INFO] running `"docker" "start" "-a" "67afa6d6a907149052941895cc3613949582f385df814e5d28f3be7d5101f802"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "67afa6d6a907149052941895cc3613949582f385df814e5d28f3be7d5101f802"`
[INFO] running `"docker" "rm" "-f" "67afa6d6a907149052941895cc3613949582f385df814e5d28f3be7d5101f802"`
[INFO] [stdout] 67afa6d6a907149052941895cc3613949582f385df814e5d28f3be7d5101f802
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8d4ab81ffe1e7e331a0c849165ed3b77bc3a8d47cbe8c537f0805a8f819da9bc
[INFO] running `"docker" "start" "-a" "8d4ab81ffe1e7e331a0c849165ed3b77bc3a8d47cbe8c537f0805a8f819da9bc"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "8d4ab81ffe1e7e331a0c849165ed3b77bc3a8d47cbe8c537f0805a8f819da9bc"`
[INFO] running `"docker" "rm" "-f" "8d4ab81ffe1e7e331a0c849165ed3b77bc3a8d47cbe8c537f0805a8f819da9bc"`
[INFO] [stdout] 8d4ab81ffe1e7e331a0c849165ed3b77bc3a8d47cbe8c537f0805a8f819da9bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ibaryshnikov/rust-workshop-07-dec-2018:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 97fc7447f1ff74ccc59d041d77b0bfe7f76d7c0eedcfe11d5e24fbb72964732b
[INFO] running `"docker" "start" "-a" "97fc7447f1ff74ccc59d041d77b0bfe7f76d7c0eedcfe11d5e24fbb72964732b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json-a908893b999fbca2
[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" "97fc7447f1ff74ccc59d041d77b0bfe7f76d7c0eedcfe11d5e24fbb72964732b"`
[INFO] running `"docker" "rm" "-f" "97fc7447f1ff74ccc59d041d77b0bfe7f76d7c0eedcfe11d5e24fbb72964732b"`
[INFO] [stdout] 97fc7447f1ff74ccc59d041d77b0bfe7f76d7c0eedcfe11d5e24fbb72964732b