[INFO] fetching crate single_value_channel 1.2.0...
[INFO] extracting crate single_value_channel 1.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/single_value_channel/1.2.0
[INFO] extracting crate single_value_channel 1.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/single_value_channel/1.2.0
[INFO] validating manifest of single_value_channel-1.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of single_value_channel-1.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing single_value_channel-1.2.0
[INFO] finished frobbing single_value_channel-1.2.0
[INFO] frobbed toml for single_value_channel-1.2.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/single_value_channel/1.2.0/Cargo.toml
[INFO] started frobbing single_value_channel-1.2.0
[INFO] finished frobbing single_value_channel-1.2.0
[INFO] frobbed toml for single_value_channel-1.2.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/single_value_channel/1.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing single_value_channel-1.2.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/single_value_channel/1.2.0:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] b0c382a4faf70807a715d30cd1c4e37b768e831e957089d2ea4fd378c2695a2d
[INFO] running `"docker" "start" "-a" "b0c382a4faf70807a715d30cd1c4e37b768e831e957089d2ea4fd378c2695a2d"`
[INFO] [stderr]    Compiling single_value_channel v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "b0c382a4faf70807a715d30cd1c4e37b768e831e957089d2ea4fd378c2695a2d"`
[INFO] running `"docker" "rm" "-f" "b0c382a4faf70807a715d30cd1c4e37b768e831e957089d2ea4fd378c2695a2d"`
[INFO] [stdout] b0c382a4faf70807a715d30cd1c4e37b768e831e957089d2ea4fd378c2695a2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/single_value_channel/1.2.0:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 18020f702b72cc0fafffdf6cf39357bdf49429b0d3f4818a8ba17e85870805c4
[INFO] running `"docker" "start" "-a" "18020f702b72cc0fafffdf6cf39357bdf49429b0d3f4818a8ba17e85870805c4"`
[INFO] [stderr]    Compiling single_value_channel v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "18020f702b72cc0fafffdf6cf39357bdf49429b0d3f4818a8ba17e85870805c4"`
[INFO] running `"docker" "rm" "-f" "18020f702b72cc0fafffdf6cf39357bdf49429b0d3f4818a8ba17e85870805c4"`
[INFO] [stdout] 18020f702b72cc0fafffdf6cf39357bdf49429b0d3f4818a8ba17e85870805c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/single_value_channel/1.2.0:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 78f51046fd121bdc423be990955bd8358e6944a2bdc8afb83df5d94efaf3eb6c
[INFO] running `"docker" "start" "-a" "78f51046fd121bdc423be990955bd8358e6944a2bdc8afb83df5d94efaf3eb6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/single_value_channel-43115adec0f308d6
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::multiple_updaters ... ok
[INFO] [stdout] test test::error_writing_to_dead_reader ... ok
[INFO] [stdout] test test::send_recv_option ... ok
[INFO] [stdout] test test::receiver_has_no_updater ... ok
[INFO] [stdout] test test::no_args_channel ... ok
[INFO] [stdout] test test::latest_mut ... ok
[INFO] [stdout] test test::updater_has_no_receiver ... ok
[INFO] [stdout] test test::send_recv_value ... ok
[INFO] [stdout] test test::non_blocking_write_during_read ... ok
[INFO] [stdout] test test::concurrent_send_recv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single_value_channel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 18) ... 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" "78f51046fd121bdc423be990955bd8358e6944a2bdc8afb83df5d94efaf3eb6c"`
[INFO] running `"docker" "rm" "-f" "78f51046fd121bdc423be990955bd8358e6944a2bdc8afb83df5d94efaf3eb6c"`
[INFO] [stdout] 78f51046fd121bdc423be990955bd8358e6944a2bdc8afb83df5d94efaf3eb6c