[INFO] fetching crate fwdlist 0.3.0...
[INFO] testing fwdlist-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fwdlist 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fwdlist 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fwdlist 0.3.0
[INFO] finished tweaking crates.io crate fwdlist 0.3.0
[INFO] tweaked toml for crates.io crate fwdlist 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa594bfff0271c220327e4a7d61f5944722feb76f9c6336ae5aa363e8903e3a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa594bfff0271c220327e4a7d61f5944722feb76f9c6336ae5aa363e8903e3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa594bfff0271c220327e4a7d61f5944722feb76f9c6336ae5aa363e8903e3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa594bfff0271c220327e4a7d61f5944722feb76f9c6336ae5aa363e8903e3a4", kill_on_drop: false }`
[INFO] [stdout] aa594bfff0271c220327e4a7d61f5944722feb76f9c6336ae5aa363e8903e3a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01dc298e543525727985930d476ac83d63ce37c5b9bba84deeaaf7e9ad194ca5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01dc298e543525727985930d476ac83d63ce37c5b9bba84deeaaf7e9ad194ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "01dc298e543525727985930d476ac83d63ce37c5b9bba84deeaaf7e9ad194ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dc298e543525727985930d476ac83d63ce37c5b9bba84deeaaf7e9ad194ca5", kill_on_drop: false }`
[INFO] [stdout] 01dc298e543525727985930d476ac83d63ce37c5b9bba84deeaaf7e9ad194ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cfb5bc9066c7572a53a88116917950e3c0f670d944cc11a7d0fdf0701fe61e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0cfb5bc9066c7572a53a88116917950e3c0f670d944cc11a7d0fdf0701fe61e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "0cfb5bc9066c7572a53a88116917950e3c0f670d944cc11a7d0fdf0701fe61e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfb5bc9066c7572a53a88116917950e3c0f670d944cc11a7d0fdf0701fe61e2", kill_on_drop: false }`
[INFO] [stdout] 0cfb5bc9066c7572a53a88116917950e3c0f670d944cc11a7d0fdf0701fe61e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12b205b4a6ca787491656bd7749fc15c1f35aa915a0d33e1f557ed9ccb5f48d7
[INFO] running `Command { std: "docker" "start" "-a" "12b205b4a6ca787491656bd7749fc15c1f35aa915a0d33e1f557ed9ccb5f48d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fwdlist-330f2ea3ce4a2e9e)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cursor::append ... ok
[INFO] [stdout] test cursor::insert ... ok
[INFO] [stdout] test cursor::minimal ... ok
[INFO] [stdout] test cursor::next ... ok
[INFO] [stdout] test cursor::truncate ... ok
[INFO] [stdout] test intoiter::into_iter ... ok
[INFO] [stdout] test iter::ref_iter_clone ... ok
[INFO] [stdout] test cursor::checkpoint ... ok
[INFO] [stdout] test cursor::nth ... ok
[INFO] [stdout] test cursor::last ... ok
[INFO] [stdout] test cursor::remove_n ... ok
[INFO] [stdout] test cursor::merge_sort ... ok
[INFO] [stdout] test ops::core::basics ... ok
[INFO] [stdout] test itermut::extra::mutref_iter_advanced ... ok
[INFO] [stdout] test itermut::mutref_iter ... ok
[INFO] [stdout] test ops::extra::append ... ok
[INFO] [stdout] test ops::extra::split_off ... ok
[INFO] [stdout] test cursor::split ... ok
[INFO] [stdout] test cursor::end ... ok
[INFO] [stdout] test cursor::remove ... ok
[INFO] [stdout] test cursor::splice ... ok
[INFO] [stdout] test iter::ref_iter ... ok
[INFO] [stderr]    Doc-tests fwdlist
[INFO] [stdout] test ops::extra::split_off_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/cursor.rs - cursor::Cursor::split (line 159) ... ignored
[INFO] [stdout] test src/lib.rs - Cursor (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12b205b4a6ca787491656bd7749fc15c1f35aa915a0d33e1f557ed9ccb5f48d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b205b4a6ca787491656bd7749fc15c1f35aa915a0d33e1f557ed9ccb5f48d7", kill_on_drop: false }`
[INFO] [stdout] 12b205b4a6ca787491656bd7749fc15c1f35aa915a0d33e1f557ed9ccb5f48d7