[INFO] updating cached repository soenkehahn/rust-skipchannel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/soenkehahn/rust-skipchannel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/rust-skipchannel" "work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/rust-skipchannel" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-skipchannel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-skipchannel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 304beb35a373339dce7b8e77ae299201fadc7a17
[INFO] sha for GitHub repo soenkehahn/rust-skipchannel: 304beb35a373339dce7b8e77ae299201fadc7a17
[INFO] validating manifest of soenkehahn/rust-skipchannel 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 soenkehahn/rust-skipchannel 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 soenkehahn/rust-skipchannel
[INFO] finished frobbing soenkehahn/rust-skipchannel
[INFO] frobbed toml for soenkehahn/rust-skipchannel written to work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel/Cargo.toml
[INFO] started frobbing soenkehahn/rust-skipchannel
[INFO] finished frobbing soenkehahn/rust-skipchannel
[INFO] frobbed toml for soenkehahn/rust-skipchannel written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/soenkehahn/rust-skipchannel/Cargo.toml
[INFO] crate soenkehahn/rust-skipchannel 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 soenkehahn/rust-skipchannel 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel:/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] 4d495811efaf1ed319fee1a000bf68b21657aab26e13863a18651dee9a6698df
[INFO] running `"docker" "start" "-a" "4d495811efaf1ed319fee1a000bf68b21657aab26e13863a18651dee9a6698df"`
[INFO] [stderr]    Compiling skipchannel v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "4d495811efaf1ed319fee1a000bf68b21657aab26e13863a18651dee9a6698df"`
[INFO] running `"docker" "rm" "-f" "4d495811efaf1ed319fee1a000bf68b21657aab26e13863a18651dee9a6698df"`
[INFO] [stdout] 4d495811efaf1ed319fee1a000bf68b21657aab26e13863a18651dee9a6698df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel:/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] 67be5cafdffb2403d39af0fd6a0555534ab584c0d9bb02d4a5fbe12150be89b5
[INFO] running `"docker" "start" "-a" "67be5cafdffb2403d39af0fd6a0555534ab584c0d9bb02d4a5fbe12150be89b5"`
[INFO] [stderr]    Compiling skipchannel v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "67be5cafdffb2403d39af0fd6a0555534ab584c0d9bb02d4a5fbe12150be89b5"`
[INFO] running `"docker" "rm" "-f" "67be5cafdffb2403d39af0fd6a0555534ab584c0d9bb02d4a5fbe12150be89b5"`
[INFO] [stdout] 67be5cafdffb2403d39af0fd6a0555534ab584c0d9bb02d4a5fbe12150be89b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/soenkehahn/rust-skipchannel:/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] 86bb20ad31eaa3dab2b6223902e7ad2306a7e9c314acd99d1f2fdaf6bb087320
[INFO] running `"docker" "start" "-a" "86bb20ad31eaa3dab2b6223902e7ad2306a7e9c314acd99d1f2fdaf6bb087320"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skipchannel-dcf13b5873223309
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::skip_channel::drop::drops_unconsumed_values_on_subsequent_sends ... ok
[INFO] [stdout] test tests::skip_channel::drop::does_not_drop_values_when_just_the_sender_is_dropped ... ok
[INFO] [stdout] test tests::skip_channel::drop::does_not_drop_values_when_just_the_receiver_is_dropped ... ok
[INFO] [stdout] test tests::skip_channel::yields_none_when_nothing_is_sent ... ok
[INFO] [stdout] test tests::skip_channel::allows_to_send_one_value ... ok
[INFO] [stdout] test tests::skip_channel::allows_to_send_values_between_threads ... ok
[INFO] [stdout] test tests::skip_channel::drop::value_is_dropped_when_sender_and_receiver_are_dropped ... ok
[INFO] [stdout] test tests::skip_channel::returns_none_when_a_sent_value_is_already_consumed ... ok
[INFO] [stdout] test tests::skip_channel::skips_all_values_but_the_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skipchannel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... 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" "86bb20ad31eaa3dab2b6223902e7ad2306a7e9c314acd99d1f2fdaf6bb087320"`
[INFO] running `"docker" "rm" "-f" "86bb20ad31eaa3dab2b6223902e7ad2306a7e9c314acd99d1f2fdaf6bb087320"`
[INFO] [stdout] 86bb20ad31eaa3dab2b6223902e7ad2306a7e9c314acd99d1f2fdaf6bb087320