[INFO] updating cached repository don-smith/rust_traits_toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/don-smith/rust_traits_toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/don-smith/rust_traits_toy" "work/ex/beta-1.38-1/sources/1.37.0/gh/don-smith/rust_traits_toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/don-smith/rust_traits_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/don-smith/rust_traits_toy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/don-smith/rust_traits_toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/don-smith/rust_traits_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b69d080c33f49e4ded1642e4a3327f178c7abb11
[INFO] sha for GitHub repo don-smith/rust_traits_toy: b69d080c33f49e4ded1642e4a3327f178c7abb11
[INFO] validating manifest of don-smith/rust_traits_toy 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 don-smith/rust_traits_toy 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 don-smith/rust_traits_toy
[INFO] finished frobbing don-smith/rust_traits_toy
[INFO] frobbed toml for don-smith/rust_traits_toy written to work/ex/beta-1.38-1/sources/1.37.0/gh/don-smith/rust_traits_toy/Cargo.toml
[INFO] started frobbing don-smith/rust_traits_toy
[INFO] finished frobbing don-smith/rust_traits_toy
[INFO] frobbed toml for don-smith/rust_traits_toy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/don-smith/rust_traits_toy/Cargo.toml
[INFO] crate don-smith/rust_traits_toy 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 don-smith/rust_traits_toy 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-2/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/don-smith/rust_traits_toy:/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] 2561593e5d0967fd7bd9d1c5ee34771f7527db55b7b01ff5fab5b529484c6f56
[INFO] running `"docker" "start" "-a" "2561593e5d0967fd7bd9d1c5ee34771f7527db55b7b01ff5fab5b529484c6f56"`
[INFO] [stderr]    Compiling rust_traits_toy v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "2561593e5d0967fd7bd9d1c5ee34771f7527db55b7b01ff5fab5b529484c6f56"`
[INFO] running `"docker" "rm" "-f" "2561593e5d0967fd7bd9d1c5ee34771f7527db55b7b01ff5fab5b529484c6f56"`
[INFO] [stdout] 2561593e5d0967fd7bd9d1c5ee34771f7527db55b7b01ff5fab5b529484c6f56
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/don-smith/rust_traits_toy:/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] ce900eb9fb46ca0938c5ced9e61a9f32a62c62f28459d677f4d2c80c38997cb8
[INFO] running `"docker" "start" "-a" "ce900eb9fb46ca0938c5ced9e61a9f32a62c62f28459d677f4d2c80c38997cb8"`
[INFO] [stderr]    Compiling rust_traits_toy v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ce900eb9fb46ca0938c5ced9e61a9f32a62c62f28459d677f4d2c80c38997cb8"`
[INFO] running `"docker" "rm" "-f" "ce900eb9fb46ca0938c5ced9e61a9f32a62c62f28459d677f4d2c80c38997cb8"`
[INFO] [stdout] ce900eb9fb46ca0938c5ced9e61a9f32a62c62f28459d677f4d2c80c38997cb8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/don-smith/rust_traits_toy:/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] 6606dc9e4827e4d23f48b48583000e200e14376b1f6754d2fc3d636fd676eabe
[INFO] running `"docker" "start" "-a" "6606dc9e4827e4d23f48b48583000e200e14376b1f6754d2fc3d636fd676eabe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/circle-ed75e011956f82d1
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_traits_toy-425283a282b1fc26
[INFO] [stderr]    Doc-tests circle
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/circle_area.rs - circle_area::Circle::get_area (line 10) ... ok
[INFO] [stdout] test src/circle_area.rs - circle_area::Circle::is_larger_than (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6606dc9e4827e4d23f48b48583000e200e14376b1f6754d2fc3d636fd676eabe"`
[INFO] running `"docker" "rm" "-f" "6606dc9e4827e4d23f48b48583000e200e14376b1f6754d2fc3d636fd676eabe"`
[INFO] [stdout] 6606dc9e4827e4d23f48b48583000e200e14376b1f6754d2fc3d636fd676eabe