[INFO] fetching crate shrev 1.1.1...
[INFO] testing shrev-1.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate shrev 1.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate shrev 1.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shrev 1.1.1
[INFO] finished tweaking crates.io crate shrev 1.1.1
[INFO] tweaked toml for crates.io crate shrev 1.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8394134cb2b5badcbd6dbb34d955387c322f63a96807ba1eeab15a92a98eb52
[INFO] running `Command { std: "docker" "start" "-a" "b8394134cb2b5badcbd6dbb34d955387c322f63a96807ba1eeab15a92a98eb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8394134cb2b5badcbd6dbb34d955387c322f63a96807ba1eeab15a92a98eb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8394134cb2b5badcbd6dbb34d955387c322f63a96807ba1eeab15a92a98eb52", kill_on_drop: false }`
[INFO] [stdout] b8394134cb2b5badcbd6dbb34d955387c322f63a96807ba1eeab15a92a98eb52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34fb32fddc1fd2f1da1f0f94ac9059c6327b2ba7d10db87c15e3bfa6af362cf5
[INFO] running `Command { std: "docker" "start" "-a" "34fb32fddc1fd2f1da1f0f94ac9059c6327b2ba7d10db87c15e3bfa6af362cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "34fb32fddc1fd2f1da1f0f94ac9059c6327b2ba7d10db87c15e3bfa6af362cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fb32fddc1fd2f1da1f0f94ac9059c6327b2ba7d10db87c15e3bfa6af362cf5", kill_on_drop: false }`
[INFO] [stdout] 34fb32fddc1fd2f1da1f0f94ac9059c6327b2ba7d10db87c15e3bfa6af362cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384af8b8197a7504c29dd8291bd09cd52203592045594b479ce72f94e75b1a94
[INFO] running `Command { std: "docker" "start" "-a" "384af8b8197a7504c29dd8291bd09cd52203592045594b479ce72f94e75b1a94", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "384af8b8197a7504c29dd8291bd09cd52203592045594b479ce72f94e75b1a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384af8b8197a7504c29dd8291bd09cd52203592045594b479ce72f94e75b1a94", kill_on_drop: false }`
[INFO] [stdout] 384af8b8197a7504c29dd8291bd09cd52203592045594b479ce72f94e75b1a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5829e96cb47a2b4ac39c17697fc77d6531f79e9a2546517c1b4211019b8bccd
[INFO] running `Command { std: "docker" "start" "-a" "c5829e96cb47a2b4ac39c17697fc77d6531f79e9a2546517c1b4211019b8bccd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shrev-186ab75f2d7e5d9b)
[INFO] [stdout] test storage::tests::test_empty_read ... ok
[INFO] [stdout] test storage::tests::test_send_sync ... ok
[INFO] [stdout] test storage::tests::test_write_slice ... ok
[INFO] [stdout] test storage::tests::test_write_overflow ... ok
[INFO] [stdout] test tests::test_read_write ... ok
[INFO] [stdout] test storage::tests::test_reader_reuse ... ok
[INFO] [stdout] test storage::tests::test_circular ... ok
[INFO] [stdout] test storage::tests::test_too_large_write ... ok
[INFO] [stdout] test storage::tests::test_read ... ok
[INFO] [stdout] test storage::tests::test_prevent_excess_growth ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stderr]      Running tests/bounds.rs (/opt/rustwide/target/debug/deps/bounds-735ad0488c56794b)
[INFO] [stdout] test storage::tests::test_empty_write ... ok
[INFO] [stdout] test storage::tests::iter_write_empty ... ok
[INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok
[INFO] [stdout] test storage::tests::test_size ... ok
[INFO] [stdout] test tests::test_grow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event_channel_bounds ... ok
[INFO] [stdout] test event_iterator_bounds ... ok
[INFO] [stdout] test reader_id_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/would_write.rs (/opt/rustwide/target/debug/deps/would_write-d0f432c8eeb61424)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test naive_negative ... ok
[INFO] [stdout] test recreated ... ok
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] test naive_positive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrev
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - EventChannel (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5829e96cb47a2b4ac39c17697fc77d6531f79e9a2546517c1b4211019b8bccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5829e96cb47a2b4ac39c17697fc77d6531f79e9a2546517c1b4211019b8bccd", kill_on_drop: false }`
[INFO] [stdout] c5829e96cb47a2b4ac39c17697fc77d6531f79e9a2546517c1b4211019b8bccd