[INFO] updating cached repository jw3/example-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jw3/example-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jw3/example-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jw3/example-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jw3/example-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jw3/example-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 951d631720ec939578f7c241a2e0f234a0098b39
[INFO] sha for GitHub repo jw3/example-rust: 951d631720ec939578f7c241a2e0f234a0098b39
[INFO] validating manifest of jw3/example-rust 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 jw3/example-rust 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 jw3/example-rust
[INFO] finished frobbing jw3/example-rust
[INFO] frobbed toml for jw3/example-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust/Cargo.toml
[INFO] started frobbing jw3/example-rust
[INFO] finished frobbing jw3/example-rust
[INFO] frobbed toml for jw3/example-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jw3/example-rust/Cargo.toml
[INFO] crate jw3/example-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jw3/example-rust 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust:/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] f90c4091e7b6782f2b432cce96952b4bebf22f9b6fffbdbb432cbbcc1b3147f4
[INFO] running `"docker" "start" "-a" "f90c4091e7b6782f2b432cce96952b4bebf22f9b6fffbdbb432cbbcc1b3147f4"`
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.6.2
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.1
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-signal v0.2.1
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling trust-dns-proto v0.4.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.9.0
[INFO] [stderr]    Compiling actix v0.7.0
[INFO] [stderr]    Compiling example-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.33s
[INFO] running `"docker" "inspect" "f90c4091e7b6782f2b432cce96952b4bebf22f9b6fffbdbb432cbbcc1b3147f4"`
[INFO] running `"docker" "rm" "-f" "f90c4091e7b6782f2b432cce96952b4bebf22f9b6fffbdbb432cbbcc1b3147f4"`
[INFO] [stdout] f90c4091e7b6782f2b432cce96952b4bebf22f9b6fffbdbb432cbbcc1b3147f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust:/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] d7945e04d2a27e7bf41957ba684a3d031bf0e2e2cd4343d97b77ee302ce49798
[INFO] running `"docker" "start" "-a" "d7945e04d2a27e7bf41957ba684a3d031bf0e2e2cd4343d97b77ee302ce49798"`
[INFO] [stderr]    Compiling example-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "d7945e04d2a27e7bf41957ba684a3d031bf0e2e2cd4343d97b77ee302ce49798"`
[INFO] running `"docker" "rm" "-f" "d7945e04d2a27e7bf41957ba684a3d031bf0e2e2cd4343d97b77ee302ce49798"`
[INFO] [stdout] d7945e04d2a27e7bf41957ba684a3d031bf0e2e2cd4343d97b77ee302ce49798
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jw3/example-rust:/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] 2515d23f13b265f3943e02ef13e517712bb7175c977aa24532a8640f1a975d54
[INFO] running `"docker" "start" "-a" "2515d23f13b265f3943e02ef13e517712bb7175c977aa24532a8640f1a975d54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_rust-215b29544aec0e77
[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" "2515d23f13b265f3943e02ef13e517712bb7175c977aa24532a8640f1a975d54"`
[INFO] running `"docker" "rm" "-f" "2515d23f13b265f3943e02ef13e517712bb7175c977aa24532a8640f1a975d54"`
[INFO] [stdout] 2515d23f13b265f3943e02ef13e517712bb7175c977aa24532a8640f1a975d54