[INFO] fetching crate sorted-list 0.2.0...
[INFO] testing sorted-list-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sorted-list 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sorted-list 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 003f4d87e07ff4eea6a1f4f59cf1c608b5835a62036172c4017a837249f25fd3
[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" "003f4d87e07ff4eea6a1f4f59cf1c608b5835a62036172c4017a837249f25fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "003f4d87e07ff4eea6a1f4f59cf1c608b5835a62036172c4017a837249f25fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003f4d87e07ff4eea6a1f4f59cf1c608b5835a62036172c4017a837249f25fd3", kill_on_drop: false }`
[INFO] [stdout] 003f4d87e07ff4eea6a1f4f59cf1c608b5835a62036172c4017a837249f25fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4b2db88fa5421ac4cb935fd34deaa0d843dd10a5153e7a4a721eb92b3f145120
[INFO] running `Command { std: "docker" "start" "-a" "4b2db88fa5421ac4cb935fd34deaa0d843dd10a5153e7a4a721eb92b3f145120", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-list v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4b2db88fa5421ac4cb935fd34deaa0d843dd10a5153e7a4a721eb92b3f145120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2db88fa5421ac4cb935fd34deaa0d843dd10a5153e7a4a721eb92b3f145120", kill_on_drop: false }`
[INFO] [stdout] 4b2db88fa5421ac4cb935fd34deaa0d843dd10a5153e7a4a721eb92b3f145120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c1f0b550f9114d6b860fa5d62036c85bc2083c47b87d8a54dce9499659ab626
[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" "0c1f0b550f9114d6b860fa5d62036c85bc2083c47b87d8a54dce9499659ab626", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "0c1f0b550f9114d6b860fa5d62036c85bc2083c47b87d8a54dce9499659ab626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1f0b550f9114d6b860fa5d62036c85bc2083c47b87d8a54dce9499659ab626", kill_on_drop: false }`
[INFO] [stdout] 0c1f0b550f9114d6b860fa5d62036c85bc2083c47b87d8a54dce9499659ab626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] c35fe125738bf13e506f550ece84e1812120d0799461e7b5d321464e785514b5
[INFO] running `Command { std: "docker" "start" "-a" "c35fe125738bf13e506f550ece84e1812120d0799461e7b5d321464e785514b5", 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorted_list-bebddc1977ca5096)
[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::last_value_of ... ok
[INFO] [stdout] test tests::multiple_values_are_iterated_in_insertion_order ... ok
[INFO] [stdout] test tests::iterate_values_of ... ok
[INFO] [stdout] test tests::iterate_over_mixed_out_of_order ... ok
[INFO] [stdout] test tests::iterate_over_mixed_in_order ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::insert_out_of_order_and_iterate ... ok
[INFO] [stdout] test tests::double_ended_iter_empty ... ok
[INFO] [stdout] test tests::double_ended_iter_single ... ok
[INFO] [stdout] test tests::insert_in_order_and_iterate ... ok
[INFO] [stdout] test tests::double_ended_iter_multiple ... ok
[INFO] [stdout] test tests::insert_duplicate ... ok
[INFO] [stdout] test tests::empty_values_of ... ok
[INFO] [stdout] test tests::first_value_of ... ok
[INFO] [stdout] test tests::insert_multiple_in_order ... ok
[INFO] [stderr]    Doc-tests sorted-list
[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 0.44s
[INFO] [stdout] 
[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 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c35fe125738bf13e506f550ece84e1812120d0799461e7b5d321464e785514b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35fe125738bf13e506f550ece84e1812120d0799461e7b5d321464e785514b5", kill_on_drop: false }`
[INFO] [stdout] c35fe125738bf13e506f550ece84e1812120d0799461e7b5d321464e785514b5