[INFO] fetching crate sorted-list 0.2.0...
[INFO] testing sorted-list-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sorted-list 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sorted-list 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted-list 0.2.0
[INFO] finished tweaking crates.io crate sorted-list 0.2.0
[INFO] tweaked toml for crates.io crate sorted-list 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6edc85ade767cdb2d4b01145d7e5a773c051e47a1a6784bb7a84dec901e5c4b8
[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" "6edc85ade767cdb2d4b01145d7e5a773c051e47a1a6784bb7a84dec901e5c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6edc85ade767cdb2d4b01145d7e5a773c051e47a1a6784bb7a84dec901e5c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edc85ade767cdb2d4b01145d7e5a773c051e47a1a6784bb7a84dec901e5c4b8", kill_on_drop: false }`
[INFO] [stdout] 6edc85ade767cdb2d4b01145d7e5a773c051e47a1a6784bb7a84dec901e5c4b8
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", 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] 493d2e413630f5cdab520ff4d1c8672c336715f6426b34f36a125ed88bddbf60
[INFO] running `Command { std: "docker" "start" "-a" "493d2e413630f5cdab520ff4d1c8672c336715f6426b34f36a125ed88bddbf60", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "493d2e413630f5cdab520ff4d1c8672c336715f6426b34f36a125ed88bddbf60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493d2e413630f5cdab520ff4d1c8672c336715f6426b34f36a125ed88bddbf60", kill_on_drop: false }`
[INFO] [stdout] 493d2e413630f5cdab520ff4d1c8672c336715f6426b34f36a125ed88bddbf60
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb3e87fb5f2dc0850ba9530c9ddc8824c28bf3ac2b2e283ef462b245cacb65f
[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" "fdb3e87fb5f2dc0850ba9530c9ddc8824c28bf3ac2b2e283ef462b245cacb65f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 | /         /// 1000, 100 => 4.08s (3.76s release) originally
[INFO] [stdout] 562 | |         /// 1000, 100 for copy types: 0.66s (0.23s release)
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout] 563 |           let max_key = 1000;
[INFO] [stdout]     |           ------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "fdb3e87fb5f2dc0850ba9530c9ddc8824c28bf3ac2b2e283ef462b245cacb65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb3e87fb5f2dc0850ba9530c9ddc8824c28bf3ac2b2e283ef462b245cacb65f", kill_on_drop: false }`
[INFO] [stdout] fdb3e87fb5f2dc0850ba9530c9ddc8824c28bf3ac2b2e283ef462b245cacb65f
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e30d2a17c58be2c08da447fb7ca1073c0957c235cb4c4c0cb6c2fd1166b7f93
[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" "7e30d2a17c58be2c08da447fb7ca1073c0957c235cb4c4c0cb6c2fd1166b7f93", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:561:9
[INFO] [stderr]     |
[INFO] [stderr] 561 | /         /// 1000, 100 => 4.08s (3.76s release) originally
[INFO] [stderr] 562 | |         /// 1000, 100 for copy types: 0.66s (0.23s release)
[INFO] [stderr]     | |___________________________________________________________^
[INFO] [stderr] 563 |           let max_key = 1000;
[INFO] [stderr]     |           ------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `sorted-list` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorted_list-29fcc144964ff599)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::double_ended_iter_empty ... ok
[INFO] [stdout] test tests::double_ended_iter_multiple ... ok
[INFO] [stdout] test tests::double_ended_iter_zag_zig ... ok
[INFO] [stdout] test tests::empty_values_of ... ok
[INFO] [stdout] test tests::insert_multiple_in_order ... ok
[INFO] [stdout] test tests::iterate_over_mixed_out_of_order ... ok
[INFO] [stdout] test tests::double_ended_iter_zig_zag ... ok
[INFO] [stdout] test tests::last_value_of ... ok
[INFO] [stdout] test tests::double_ended_iter_single ... ok
[INFO] [stdout] test tests::multiple_values_are_iterated_in_insertion_order ... ok
[INFO] [stdout] test tests::iterate_over_mixed_in_order ... ok
[INFO] [stdout] test tests::insert_duplicate ... ok
[INFO] [stdout] test tests::first_value_of ... ok
[INFO] [stdout] test tests::insert_in_order_and_iterate ... ok
[INFO] [stdout] test tests::insert_out_of_order_and_iterate ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::iterate_values_of ... ok
[INFO] [stdout] test tests::extend_worst_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sorted-list
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SortedList (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e30d2a17c58be2c08da447fb7ca1073c0957c235cb4c4c0cb6c2fd1166b7f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e30d2a17c58be2c08da447fb7ca1073c0957c235cb4c4c0cb6c2fd1166b7f93", kill_on_drop: false }`
[INFO] [stdout] 7e30d2a17c58be2c08da447fb7ca1073c0957c235cb4c4c0cb6c2fd1166b7f93