[INFO] fetching crate fwdlist 0.3.0...
[INFO] testing fwdlist-0.3.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate fwdlist 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fwdlist 0.3.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] 804460cedd5eba1abc4557963f87a55202fed24c1efdca11f30fea9383a640c2
[INFO] running `Command { std: "docker" "start" "-a" "804460cedd5eba1abc4557963f87a55202fed24c1efdca11f30fea9383a640c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804460cedd5eba1abc4557963f87a55202fed24c1efdca11f30fea9383a640c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804460cedd5eba1abc4557963f87a55202fed24c1efdca11f30fea9383a640c2", kill_on_drop: false }`
[INFO] [stdout] 804460cedd5eba1abc4557963f87a55202fed24c1efdca11f30fea9383a640c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1727fe06075bcae9229811a522f78912baffaaea853abcb33e2036b47de4a4
[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" "9d1727fe06075bcae9229811a522f78912baffaaea853abcb33e2036b47de4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "9d1727fe06075bcae9229811a522f78912baffaaea853abcb33e2036b47de4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1727fe06075bcae9229811a522f78912baffaaea853abcb33e2036b47de4a4", kill_on_drop: false }`
[INFO] [stdout] 9d1727fe06075bcae9229811a522f78912baffaaea853abcb33e2036b47de4a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8378fa382a2943acb9fbc6e317581043fa76113be528c0710347c150a5bb3d6c
[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" "8378fa382a2943acb9fbc6e317581043fa76113be528c0710347c150a5bb3d6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "8378fa382a2943acb9fbc6e317581043fa76113be528c0710347c150a5bb3d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8378fa382a2943acb9fbc6e317581043fa76113be528c0710347c150a5bb3d6c", kill_on_drop: false }`
[INFO] [stdout] 8378fa382a2943acb9fbc6e317581043fa76113be528c0710347c150a5bb3d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5f6791b49d402ddd7f2ee83960b5e20edd679672ce2d68f7b444b3bdbc97672
[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" "b5f6791b49d402ddd7f2ee83960b5e20edd679672ce2d68f7b444b3bdbc97672", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cursor::end ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] test iter::ref_iter ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fwdlist-ab7f523bbc85c9c7)
[INFO] [stdout] test cursor::remove ... ok
[INFO] [stdout] test cursor::truncate ... ok
[INFO] [stdout] test cursor::remove_n ... ok
[INFO] [stdout] test cursor::split ... ok
[INFO] [stdout] test cursor::minimal ... ok
[INFO] [stdout] test ops::extra::append ... ok
[INFO] [stdout] test iter::ref_iter_clone ... ok
[INFO] [stdout] test ops::core::basics ... ok
[INFO] [stdout] test itermut::mutref_iter ... ok
[INFO] [stdout] test cursor::merge_sort ... ok
[INFO] [stdout] test itermut::extra::mutref_iter_advanced ... ok
[INFO] [stdout] test cursor::last ... ok
[INFO] [stdout] test cursor::insert ... ok
[INFO] [stdout] test cursor::next ... ok
[INFO] [stdout] test cursor::nth ... ok
[INFO] [stdout] test cursor::checkpoint ... ok
[INFO] [stdout] test cursor::append ... ok
[INFO] [stdout] test intoiter::into_iter ... ok
[INFO] [stdout] test ops::extra::split_off ... ok
[INFO] [stdout] test cursor::splice ... ok
[INFO] [stdout] test ops::extra::split_off_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fwdlist
[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 - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Cursor (line 127) ... 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 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5f6791b49d402ddd7f2ee83960b5e20edd679672ce2d68f7b444b3bdbc97672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f6791b49d402ddd7f2ee83960b5e20edd679672ce2d68f7b444b3bdbc97672", kill_on_drop: false }`
[INFO] [stdout] b5f6791b49d402ddd7f2ee83960b5e20edd679672ce2d68f7b444b3bdbc97672