[INFO] fetching crate sorted-list 0.2.0...
[INFO] testing sorted-list-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sorted-list 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sorted-list 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ca889976042d17cea90626d059ca2efed3b1060260b90c2a26b8ecc926c1b97b
[INFO] running `Command { std: "docker" "start" "-a" "ca889976042d17cea90626d059ca2efed3b1060260b90c2a26b8ecc926c1b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca889976042d17cea90626d059ca2efed3b1060260b90c2a26b8ecc926c1b97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca889976042d17cea90626d059ca2efed3b1060260b90c2a26b8ecc926c1b97b", kill_on_drop: false }`
[INFO] [stdout] ca889976042d17cea90626d059ca2efed3b1060260b90c2a26b8ecc926c1b97b
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b0de4374195496aefd3cdb72b14fc59c260ce8d6cea61e7d650185ea654b962
[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" "6b0de4374195496aefd3cdb72b14fc59c260ce8d6cea61e7d650185ea654b962", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6b0de4374195496aefd3cdb72b14fc59c260ce8d6cea61e7d650185ea654b962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0de4374195496aefd3cdb72b14fc59c260ce8d6cea61e7d650185ea654b962", kill_on_drop: false }`
[INFO] [stdout] 6b0de4374195496aefd3cdb72b14fc59c260ce8d6cea61e7d650185ea654b962
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dacfc3e163c9014626d3a86bfdf9d3b2c7c89490f20f12dd2d018fa16280635b
[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" "dacfc3e163c9014626d3a86bfdf9d3b2c7c89490f20f12dd2d018fa16280635b", 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "dacfc3e163c9014626d3a86bfdf9d3b2c7c89490f20f12dd2d018fa16280635b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacfc3e163c9014626d3a86bfdf9d3b2c7c89490f20f12dd2d018fa16280635b", kill_on_drop: false }`
[INFO] [stdout] dacfc3e163c9014626d3a86bfdf9d3b2c7c89490f20f12dd2d018fa16280635b
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 811e65de37a45d6fb71c7afe5cfdc8086ee0981f3614a3ca837723b44422f104
[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" "811e65de37a45d6fb71c7afe5cfdc8086ee0981f3614a3ca837723b44422f104", 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] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorted_list-ec8e79d83bc4a27e
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::double_ended_iter_zag_zig ... ok
[INFO] [stdout] test tests::double_ended_iter_zig_zag ... ok
[INFO] [stdout] test tests::empty_values_of ... ok
[INFO] [stdout] test tests::first_value_of ... ok
[INFO] [stdout] test tests::insert_duplicate ... ok
[INFO] [stdout] test tests::insert_in_order_and_iterate ... ok
[INFO] [stdout] test tests::insert_multiple_in_order ... ok
[INFO] [stdout] test tests::insert_out_of_order_and_iterate ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::iterate_over_mixed_in_order ... ok
[INFO] [stdout] test tests::iterate_over_mixed_out_of_order ... ok
[INFO] [stdout] test tests::iterate_values_of ... ok
[INFO] [stdout] test tests::last_value_of ... ok
[INFO] [stdout] test tests::multiple_values_are_iterated_in_insertion_order ... ok
[INFO] [stdout] test tests::double_ended_iter_multiple ... ok
[INFO] [stdout] test tests::double_ended_iter_empty ... ok
[INFO] [stdout] test tests::double_ended_iter_single ... 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 0.17s
[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 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "811e65de37a45d6fb71c7afe5cfdc8086ee0981f3614a3ca837723b44422f104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811e65de37a45d6fb71c7afe5cfdc8086ee0981f3614a3ca837723b44422f104", kill_on_drop: false }`
[INFO] [stdout] 811e65de37a45d6fb71c7afe5cfdc8086ee0981f3614a3ca837723b44422f104