[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/beta-1.38-1/sources/1.37.0/gh/ibaryshnikov/rust-workshop-07-dec-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/ibaryshnikov/rust-workshop-07-dec-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 ibaryshnikov/rust-workshop-07-dec-2018 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 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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/ibaryshnikov/rust-workshop-07-dec-2018/Cargo.toml
[INFO] crate ibaryshnikov/rust-workshop-07-dec-2018 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 ibaryshnikov/rust-workshop-07-dec-2018 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-7/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/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=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] daef3a91aee99efd8206ef05fcc071dd88ad882b24ddea61e487dd0fe3067f8a
[INFO] running `"docker" "start" "-a" "daef3a91aee99efd8206ef05fcc071dd88ad882b24ddea61e487dd0fe3067f8a"`
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.35s
[INFO] running `"docker" "inspect" "daef3a91aee99efd8206ef05fcc071dd88ad882b24ddea61e487dd0fe3067f8a"`
[INFO] running `"docker" "rm" "-f" "daef3a91aee99efd8206ef05fcc071dd88ad882b24ddea61e487dd0fe3067f8a"`
[INFO] [stdout] daef3a91aee99efd8206ef05fcc071dd88ad882b24ddea61e487dd0fe3067f8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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=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] 1a1b2a5ea2bd369ce22fc91c71d2d7f7f342c3a2deeec20f56949f8031d7318e
[INFO] running `"docker" "start" "-a" "1a1b2a5ea2bd369ce22fc91c71d2d7f7f342c3a2deeec20f56949f8031d7318e"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "1a1b2a5ea2bd369ce22fc91c71d2d7f7f342c3a2deeec20f56949f8031d7318e"`
[INFO] running `"docker" "rm" "-f" "1a1b2a5ea2bd369ce22fc91c71d2d7f7f342c3a2deeec20f56949f8031d7318e"`
[INFO] [stdout] 1a1b2a5ea2bd369ce22fc91c71d2d7f7f342c3a2deeec20f56949f8031d7318e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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=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] eb48c3e3f1d73073cd882f04d4ca5c5884ef5b185b53e5b410f86d4a405606de
[INFO] running `"docker" "start" "-a" "eb48c3e3f1d73073cd882f04d4ca5c5884ef5b185b53e5b410f86d4a405606de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json-3878a9710915d515
[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" "eb48c3e3f1d73073cd882f04d4ca5c5884ef5b185b53e5b410f86d4a405606de"`
[INFO] running `"docker" "rm" "-f" "eb48c3e3f1d73073cd882f04d4ca5c5884ef5b185b53e5b410f86d4a405606de"`
[INFO] [stdout] eb48c3e3f1d73073cd882f04d4ca5c5884ef5b185b53e5b410f86d4a405606de