[INFO] updating cached repository qingxiang-jia/learn-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/qingxiang-jia/learn-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/qingxiang-jia/learn-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/qingxiang-jia/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/qingxiang-jia/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/qingxiang-jia/learn-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a5d82ab7d8a21c1f2d7f96fda45dd273c842694
[INFO] sha for GitHub repo qingxiang-jia/learn-rust: 7a5d82ab7d8a21c1f2d7f96fda45dd273c842694
[INFO] validating manifest of qingxiang-jia/learn-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of qingxiang-jia/learn-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing qingxiang-jia/learn-rust
[INFO] finished frobbing qingxiang-jia/learn-rust
[INFO] frobbed toml for qingxiang-jia/learn-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/qingxiang-jia/learn-rust/Cargo.toml
[INFO] started frobbing qingxiang-jia/learn-rust
[INFO] finished frobbing qingxiang-jia/learn-rust
[INFO] frobbed toml for qingxiang-jia/learn-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-rust/Cargo.toml
[INFO] crate qingxiang-jia/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing qingxiang-jia/learn-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1b9e701439acff95cb73ec2db7c8a865a83a9cc6170d9ec4d4e3a0d1dc042c01
[INFO] running `"docker" "start" "-a" "1b9e701439acff95cb73ec2db7c8a865a83a9cc6170d9ec4d4e3a0d1dc042c01"`
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v0.3.3
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.60s
[INFO] running `"docker" "inspect" "1b9e701439acff95cb73ec2db7c8a865a83a9cc6170d9ec4d4e3a0d1dc042c01"`
[INFO] running `"docker" "rm" "-f" "1b9e701439acff95cb73ec2db7c8a865a83a9cc6170d9ec4d4e3a0d1dc042c01"`
[INFO] [stdout] 1b9e701439acff95cb73ec2db7c8a865a83a9cc6170d9ec4d4e3a0d1dc042c01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d544a12cbb8da1653cc53a4107ca3dff68b8084b5522920f67e9536461b496f0
[INFO] running `"docker" "start" "-a" "d544a12cbb8da1653cc53a4107ca3dff68b8084b5522920f67e9536461b496f0"`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "d544a12cbb8da1653cc53a4107ca3dff68b8084b5522920f67e9536461b496f0"`
[INFO] running `"docker" "rm" "-f" "d544a12cbb8da1653cc53a4107ca3dff68b8084b5522920f67e9536461b496f0"`
[INFO] [stdout] d544a12cbb8da1653cc53a4107ca3dff68b8084b5522920f67e9536461b496f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/qingxiang-jia/learn-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 87e0eee85eb37b38decdb2d3d7e6c5b0b2c2f2cf37428053f9083a084131eb99
[INFO] running `"docker" "start" "-a" "87e0eee85eb37b38decdb2d3d7e6c5b0b2c2f2cf37428053f9083a084131eb99"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_fun-b4e0a84c2429abbb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/udp_cmd-26e848ebfee7a3c6
[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] [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" "87e0eee85eb37b38decdb2d3d7e6c5b0b2c2f2cf37428053f9083a084131eb99"`
[INFO] running `"docker" "rm" "-f" "87e0eee85eb37b38decdb2d3d7e6c5b0b2c2f2cf37428053f9083a084131eb99"`
[INFO] [stdout] 87e0eee85eb37b38decdb2d3d7e6c5b0b2c2f2cf37428053f9083a084131eb99