[INFO] fetching crate counter 0.5.2...
[INFO] testing counter-0.5.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate counter 0.5.2 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate counter 0.5.2 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 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-114/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] fdffa36b2883884f1821b8efdb40290df4c3ea43bb333ee69a46cd907255f868
[INFO] running `Command { std: "docker" "start" "-a" "fdffa36b2883884f1821b8efdb40290df4c3ea43bb333ee69a46cd907255f868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdffa36b2883884f1821b8efdb40290df4c3ea43bb333ee69a46cd907255f868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdffa36b2883884f1821b8efdb40290df4c3ea43bb333ee69a46cd907255f868", kill_on_drop: false }`
[INFO] [stdout] fdffa36b2883884f1821b8efdb40290df4c3ea43bb333ee69a46cd907255f868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] [stdout] 485aa5e2327d792f20a09837ae8fe19837b803c8e2e4b3ca36f3cf1920e5a039
[INFO] running `Command { std: "docker" "start" "-a" "485aa5e2327d792f20a09837ae8fe19837b803c8e2e4b3ca36f3cf1920e5a039", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling counter v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "485aa5e2327d792f20a09837ae8fe19837b803c8e2e4b3ca36f3cf1920e5a039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485aa5e2327d792f20a09837ae8fe19837b803c8e2e4b3ca36f3cf1920e5a039", kill_on_drop: false }`
[INFO] [stdout] 485aa5e2327d792f20a09837ae8fe19837b803c8e2e4b3ca36f3cf1920e5a039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] fc85aedea9feca371f93534f528fd7e5ae452603d38ba727d145bd8048ca6f15
[INFO] running `Command { std: "docker" "start" "-a" "fc85aedea9feca371f93534f528fd7e5ae452603d38ba727d145bd8048ca6f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling counter v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "fc85aedea9feca371f93534f528fd7e5ae452603d38ba727d145bd8048ca6f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc85aedea9feca371f93534f528fd7e5ae452603d38ba727d145bd8048ca6f15", kill_on_drop: false }`
[INFO] [stdout] fc85aedea9feca371f93534f528fd7e5ae452603d38ba727d145bd8048ca6f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] [stdout] c492eb3c09b7822d0c11782b9b7d583ea26ff13066a28c8bf4ce492303a74688
[INFO] running `Command { std: "docker" "start" "-a" "c492eb3c09b7822d0c11782b9b7d583ea26ff13066a28c8bf4ce492303a74688", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/counter-b9d897a64fc7b7a5)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_add_update_counter ... ok
[INFO] [stdout] test tests::test_add_update_iterable ... ok
[INFO] [stdout] test tests::test_collect ... ok
[INFO] [stdout] test tests::test_composite_add_sub ... ok
[INFO] [stdout] test tests::test_count_minimal_type ... ok
[INFO] [stdout] test tests::test_creation ... ok
[INFO] [stdout] test tests::test_delete_key_from_backing_map ... ok
[INFO] [stdout] test tests::test_extend_simple ... ok
[INFO] [stdout] test tests::test_extend_tuple ... 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 ... ok
[INFO] [stdout] test tests::test_from_iter_tuple_with_duplicates ... ok
[INFO] [stdout] test tests::test_intersection ... ok
[INFO] [stdout] test tests::test_most_common_ordered ... ok
[INFO] [stdout] test tests::test_most_common_tiebreaker ... ok
[INFO] [stdout] test tests::test_most_common ... ok
[INFO] [stdout] test tests::test_most_common_tiebreaker_reversed ... ok
[INFO] [stdout] test tests::test_non_usize_count ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_sub_update_counter ... ok
[INFO] [stdout] test tests::test_sub_update_iterable ... ok
[INFO] [stdout] test tests::test_subtract ... ok
[INFO] [stdout] test tests::test_update ... ok
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests counter
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add_assign (line 631) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add_assign (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::from_iter (line 749) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::bitand (line 458) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 821) ... 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_ordered (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index_mut (line 611) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 796) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub (line 430) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index (line 579) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index_mut (line 600) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::subtract (line 218) ... ok
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub_assign (line 681) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub_assign (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add (line 360) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::extend (line 775) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::sub (line 705) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::from_iter (line 728) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::most_common_tiebreaker (line 272) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::index (line 568) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::bitor (line 500) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Counter<T, N>::add (line 656) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c492eb3c09b7822d0c11782b9b7d583ea26ff13066a28c8bf4ce492303a74688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c492eb3c09b7822d0c11782b9b7d583ea26ff13066a28c8bf4ce492303a74688", kill_on_drop: false }`
[INFO] [stdout] c492eb3c09b7822d0c11782b9b7d583ea26ff13066a28c8bf4ce492303a74688