[INFO] updating cached repository GeneralSet/Set
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GeneralSet/Set
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GeneralSet/Set" "work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GeneralSet/Set" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GeneralSet/Set"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GeneralSet/Set'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b507033c7537e00f3690c1d509ad787fc9055427
[INFO] sha for GitHub repo GeneralSet/Set: b507033c7537e00f3690c1d509ad787fc9055427
[INFO] validating manifest of GeneralSet/Set 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 GeneralSet/Set 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 GeneralSet/Set
[INFO] finished frobbing GeneralSet/Set
[INFO] frobbed toml for GeneralSet/Set written to work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set/Cargo.toml
[INFO] started frobbing GeneralSet/Set
[INFO] finished frobbing GeneralSet/Set
[INFO] frobbed toml for GeneralSet/Set written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GeneralSet/Set/Cargo.toml
[INFO] crate GeneralSet/Set 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing GeneralSet/Set 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set:/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] 127a2991af90fd32273f616a4a81949f0c31233f6cd79fdfd4d00381c4f9a943
[INFO] running `"docker" "start" "-a" "127a2991af90fd32273f616a4a81949f0c31233f6cd79fdfd4d00381c4f9a943"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.37
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.37
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.37
[INFO] [stderr]    Compiling set v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.30s
[INFO] running `"docker" "inspect" "127a2991af90fd32273f616a4a81949f0c31233f6cd79fdfd4d00381c4f9a943"`
[INFO] running `"docker" "rm" "-f" "127a2991af90fd32273f616a4a81949f0c31233f6cd79fdfd4d00381c4f9a943"`
[INFO] [stdout] 127a2991af90fd32273f616a4a81949f0c31233f6cd79fdfd4d00381c4f9a943
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set:/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] bb45178ef223c81ecc8d32203bfb871dcf1a38541ae984e38e025ab872ed48dd
[INFO] running `"docker" "start" "-a" "bb45178ef223c81ecc8d32203bfb871dcf1a38541ae984e38e025ab872ed48dd"`
[INFO] [stderr]    Compiling set v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "bb45178ef223c81ecc8d32203bfb871dcf1a38541ae984e38e025ab872ed48dd"`
[INFO] running `"docker" "rm" "-f" "bb45178ef223c81ecc8d32203bfb871dcf1a38541ae984e38e025ab872ed48dd"`
[INFO] [stdout] bb45178ef223c81ecc8d32203bfb871dcf1a38541ae984e38e025ab872ed48dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GeneralSet/Set:/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] c2a4769af52bf2cdfcc9beac2ee960eafdb31bf86a6f0fff4e89b2e27e8301f7
[INFO] running `"docker" "start" "-a" "c2a4769af52bf2cdfcc9beac2ee960eafdb31bf86a6f0fff4e89b2e27e8301f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/set-b5cd80ea07fb4206
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::number_of_sets ... ok
[INFO] [stdout] test tests::can_generate_an_id ... ok
[INFO] [stdout] test tests::are_options_same_or_diffrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests set
[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" "c2a4769af52bf2cdfcc9beac2ee960eafdb31bf86a6f0fff4e89b2e27e8301f7"`
[INFO] running `"docker" "rm" "-f" "c2a4769af52bf2cdfcc9beac2ee960eafdb31bf86a6f0fff4e89b2e27e8301f7"`
[INFO] [stdout] c2a4769af52bf2cdfcc9beac2ee960eafdb31bf86a6f0fff4e89b2e27e8301f7