[INFO] updating cached repository shanPic/hello-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shanPic/hello-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shanPic/hello-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shanPic/hello-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce16916db74d8f88a77f37b5b391035f38fb149e
[INFO] sha for GitHub repo shanPic/hello-rust: ce16916db74d8f88a77f37b5b391035f38fb149e
[INFO] validating manifest of shanPic/hello-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 shanPic/hello-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 shanPic/hello-rust
[INFO] finished frobbing shanPic/hello-rust
[INFO] frobbed toml for shanPic/hello-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust/Cargo.toml
[INFO] started frobbing shanPic/hello-rust
[INFO] finished frobbing shanPic/hello-rust
[INFO] frobbed toml for shanPic/hello-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust/Cargo.toml
[INFO] crate shanPic/hello-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shanPic/hello-rust 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-4/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/shanPic/hello-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 79ffe657ab6f226af0b5483b9dccf7527db64fc73e86ae950a68c634f8916c6b
[INFO] running `"docker" "start" "-a" "79ffe657ab6f226af0b5483b9dccf7527db64fc73e86ae950a68c634f8916c6b"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `ten` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Ten`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `five` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     five(Option<i32>),
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Five`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ten`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "79ffe657ab6f226af0b5483b9dccf7527db64fc73e86ae950a68c634f8916c6b"`
[INFO] running `"docker" "rm" "-f" "79ffe657ab6f226af0b5483b9dccf7527db64fc73e86ae950a68c634f8916c6b"`
[INFO] [stdout] 79ffe657ab6f226af0b5483b9dccf7527db64fc73e86ae950a68c634f8916c6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/shanPic/hello-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f5b5dc45be693ab90c2b5d154e228be7e7cb8b82d384c5beaed16737bb91ad1d
[INFO] running `"docker" "start" "-a" "f5b5dc45be693ab90c2b5d154e228be7e7cb8b82d384c5beaed16737bb91ad1d"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `ten` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Ten`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `five` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     five(Option<i32>),
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Five`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ten`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "f5b5dc45be693ab90c2b5d154e228be7e7cb8b82d384c5beaed16737bb91ad1d"`
[INFO] running `"docker" "rm" "-f" "f5b5dc45be693ab90c2b5d154e228be7e7cb8b82d384c5beaed16737bb91ad1d"`
[INFO] [stdout] f5b5dc45be693ab90c2b5d154e228be7e7cb8b82d384c5beaed16737bb91ad1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/shanPic/hello-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d45dc7eb1f9e6241b74209b2b6754ef39444dd0089578f396300b6a60d16d18b
[INFO] running `"docker" "start" "-a" "d45dc7eb1f9e6241b74209b2b6754ef39444dd0089578f396300b6a60d16d18b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-4e9eb5f3f6554f9a
[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" "d45dc7eb1f9e6241b74209b2b6754ef39444dd0089578f396300b6a60d16d18b"`
[INFO] running `"docker" "rm" "-f" "d45dc7eb1f9e6241b74209b2b6754ef39444dd0089578f396300b6a60d16d18b"`
[INFO] [stdout] d45dc7eb1f9e6241b74209b2b6754ef39444dd0089578f396300b6a60d16d18b