[INFO] fetching crate counter 0.5.2...
[INFO] testing counter-0.5.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate counter 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate counter 0.5.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate counter 0.5.2
[INFO] finished tweaking crates.io crate counter 0.5.2
[INFO] tweaked toml for crates.io crate counter 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] f2b0b73f25c1bd5e18c6e65567b0cc2aa5fa17d6fad88f3b15a929c9783294fb
[INFO] running `Command { std: "docker" "start" "-a" "f2b0b73f25c1bd5e18c6e65567b0cc2aa5fa17d6fad88f3b15a929c9783294fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b0b73f25c1bd5e18c6e65567b0cc2aa5fa17d6fad88f3b15a929c9783294fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b0b73f25c1bd5e18c6e65567b0cc2aa5fa17d6fad88f3b15a929c9783294fb", kill_on_drop: false }`
[INFO] [stdout] f2b0b73f25c1bd5e18c6e65567b0cc2aa5fa17d6fad88f3b15a929c9783294fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79b80dc3ca5caf87ab98a2e248a41b6cef68e41ef701344044742fcc00668a9
[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" "c79b80dc3ca5caf87ab98a2e248a41b6cef68e41ef701344044742fcc00668a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling counter v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "c79b80dc3ca5caf87ab98a2e248a41b6cef68e41ef701344044742fcc00668a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79b80dc3ca5caf87ab98a2e248a41b6cef68e41ef701344044742fcc00668a9", kill_on_drop: false }`
[INFO] [stdout] c79b80dc3ca5caf87ab98a2e248a41b6cef68e41ef701344044742fcc00668a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2170975702e734051125e026c7849cbfb88c795acd468b3458863ab9c82c802
[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" "f2170975702e734051125e026c7849cbfb88c795acd468b3458863ab9c82c802", kill_on_drop: false }`
[INFO] [stderr]    Compiling counter v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "f2170975702e734051125e026c7849cbfb88c795acd468b3458863ab9c82c802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2170975702e734051125e026c7849cbfb88c795acd468b3458863ab9c82c802", kill_on_drop: false }`
[INFO] [stdout] f2170975702e734051125e026c7849cbfb88c795acd468b3458863ab9c82c802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] cfcb24579316d9f51035814e792a7a511a81b1cc42ad85153565b9707239f936
[INFO] running `Command { std: "docker" "start" "-a" "cfcb24579316d9f51035814e792a7a511a81b1cc42ad85153565b9707239f936", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/counter-c15d1cce529b19f9)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tests::test_add_update_counter ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_add_update_iterable ... ok
[INFO] [stdout] test tests::test_count_minimal_type ... ok
[INFO] [stdout] test tests::test_composite_add_sub ... ok
[INFO] [stdout] test tests::test_creation ... ok
[INFO] [stdout] test tests::test_collect ... ok
[INFO] [stdout] test tests::test_extend_simple ... ok
[INFO] [stdout] test tests::test_extend_tuple_with_duplicates ... ok
[INFO] [stdout] test tests::test_from_iter_simple ... ok
[INFO] [stdout] test tests::test_from_iter_tuple_with_duplicates ... ok
[INFO] [stdout] test tests::test_from_iter_tuple ... ok
[INFO] [stdout] test tests::test_intersection ... ok
[INFO] [stdout] test tests::test_most_common ... ok
[INFO] [stdout] test tests::test_most_common_ordered ... ok
[INFO] [stdout] test tests::test_non_usize_count ... ok
[INFO] [stdout] test tests::test_most_common_tiebreaker_reversed ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_sub_update_counter ... ok
[INFO] [stdout] test tests::test_subtract ... ok
[INFO] [stdout] test tests::test_sub_update_iterable ... ok
[INFO] [stdout] test tests::test_most_common_tiebreaker ... ok
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] test tests::test_extend_tuple ... ok
[INFO] [stdout] test tests::test_update ... ok
[INFO] [stdout] test tests::test_delete_key_from_backing_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests counter
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add (line 656) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add_assign (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add (line 360) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add_assign (line 631) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::bitand (line 458) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 775) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::bitor (line 500) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 821) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index (line 579) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::from_iter (line 728) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index (line 568) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 796) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::from_iter (line 749) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index_mut (line 611) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub (line 705) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index_mut (line 600) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub_assign (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::most_common_ordered (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub (line 430) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::subtract (line 218) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::most_common (line 252) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::most_common_tiebreaker (line 272) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub_assign (line 681) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cfcb24579316d9f51035814e792a7a511a81b1cc42ad85153565b9707239f936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfcb24579316d9f51035814e792a7a511a81b1cc42ad85153565b9707239f936", kill_on_drop: false }`
[INFO] [stdout] cfcb24579316d9f51035814e792a7a511a81b1cc42ad85153565b9707239f936