[INFO] fetching crate random-pick 1.2.4...
[INFO] extracting crate random-pick 1.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/random-pick/1.2.4
[INFO] extracting crate random-pick 1.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/random-pick/1.2.4
[INFO] validating manifest of random-pick-1.2.4 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 random-pick-1.2.4 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 random-pick-1.2.4
[INFO] finished frobbing random-pick-1.2.4
[INFO] frobbed toml for random-pick-1.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/random-pick/1.2.4/Cargo.toml
[INFO] started frobbing random-pick-1.2.4
[INFO] finished frobbing random-pick-1.2.4
[INFO] frobbed toml for random-pick-1.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/random-pick/1.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random-integer v1.0.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing random-pick-1.2.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/random-pick/1.2.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bb3cd702e4d333820e493a69f3d4002ba4815c0754d0e8b66f78bbee4af65627
[INFO] running `"docker" "start" "-a" "bb3cd702e4d333820e493a69f3d4002ba4815c0754d0e8b66f78bbee4af65627"`
[INFO] [stderr]    Compiling random-integer v1.0.4
[INFO] [stderr]    Compiling random-pick v1.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "bb3cd702e4d333820e493a69f3d4002ba4815c0754d0e8b66f78bbee4af65627"`
[INFO] running `"docker" "rm" "-f" "bb3cd702e4d333820e493a69f3d4002ba4815c0754d0e8b66f78bbee4af65627"`
[INFO] [stdout] bb3cd702e4d333820e493a69f3d4002ba4815c0754d0e8b66f78bbee4af65627
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/random-pick/1.2.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5806d89f3effcf303033251302e773483debca3e6ce4c6d69c7d3872e6c5e5a7
[INFO] running `"docker" "start" "-a" "5806d89f3effcf303033251302e773483debca3e6ce4c6d69c7d3872e6c5e5a7"`
[INFO] [stderr]    Compiling random-pick v1.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "5806d89f3effcf303033251302e773483debca3e6ce4c6d69c7d3872e6c5e5a7"`
[INFO] running `"docker" "rm" "-f" "5806d89f3effcf303033251302e773483debca3e6ce4c6d69c7d3872e6c5e5a7"`
[INFO] [stdout] 5806d89f3effcf303033251302e773483debca3e6ce4c6d69c7d3872e6c5e5a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/random-pick/1.2.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cde66572e3905e459561d8238da4aeba73a34b17c9936f16ce4389ad03bedca7
[INFO] running `"docker" "start" "-a" "cde66572e3905e459561d8238da4aeba73a34b17c9936f16ce4389ad03bedca7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_pick-774459e70c43ce7e
[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] [stderr]      Running /opt/crater/target/debug/deps/tests-eff1af56de183043
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_gen_index_with_weights_1 ... ok
[INFO] [stdout] test test_gen_index_with_weights_5 ... ok
[INFO] [stdout] test test_gen_multiple_index_with_weights_1 ... ok
[INFO] [stdout] test test_gen_multiple_index_with_weights_2 ... ok
[INFO] [stdout] test test_gen_index_with_weights_2 ... ok
[INFO] [stdout] test test_gen_multiple_index_with_weights_3 ... ok
[INFO] [stdout] test test_gen_index_with_weights_3 ... ok
[INFO] [stdout] test test_gen_index_with_weights_4 ... ok
[INFO] [stdout] test test_gen_multiple_index_with_weights_5 ... ok
[INFO] [stdout] test test_pick_from_slice ... ok
[INFO] [stdout] test test_pick_from_mutliple_slices ... ok
[INFO] [stdout] test test_gen_multiple_index_with_weights_4 ... ok
[INFO] [stdout] test test_pick_multiple_from_mutliple_slices ... ok
[INFO] [stdout] test test_pick_multiple_from_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random-pick
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cde66572e3905e459561d8238da4aeba73a34b17c9936f16ce4389ad03bedca7"`
[INFO] running `"docker" "rm" "-f" "cde66572e3905e459561d8238da4aeba73a34b17c9936f16ce4389ad03bedca7"`
[INFO] [stdout] cde66572e3905e459561d8238da4aeba73a34b17c9936f16ce4389ad03bedca7