[INFO] fetching crate atone 0.3.4...
[INFO] testing atone-0.3.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate atone 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atone 0.3.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atone 0.3.4
[INFO] finished tweaking crates.io crate atone 0.3.4
[INFO] tweaked toml for crates.io crate atone 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "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] 742f7032f5d0a15921596b15bdff71e00844a81b3f0d3ee720f3c167b2823782
[INFO] running `Command { std: "docker" "start" "-a" "742f7032f5d0a15921596b15bdff71e00844a81b3f0d3ee720f3c167b2823782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742f7032f5d0a15921596b15bdff71e00844a81b3f0d3ee720f3c167b2823782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742f7032f5d0a15921596b15bdff71e00844a81b3f0d3ee720f3c167b2823782", kill_on_drop: false }`
[INFO] [stdout] 742f7032f5d0a15921596b15bdff71e00844a81b3f0d3ee720f3c167b2823782
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7950f65fbbd889df442a3d7d90640608d9c5ce5fb70f5bf61b0a3fb18e89eda7
[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" "7950f65fbbd889df442a3d7d90640608d9c5ce5fb70f5bf61b0a3fb18e89eda7", kill_on_drop: false }`
[INFO] [stderr]    Compiling atone v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "7950f65fbbd889df442a3d7d90640608d9c5ce5fb70f5bf61b0a3fb18e89eda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7950f65fbbd889df442a3d7d90640608d9c5ce5fb70f5bf61b0a3fb18e89eda7", kill_on_drop: false }`
[INFO] [stdout] 7950f65fbbd889df442a3d7d90640608d9c5ce5fb70f5bf61b0a3fb18e89eda7
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be8a5942b4348f46954de2d94b4f0467c7b3df005b6c2992b1c83219124a37ce
[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" "be8a5942b4348f46954de2d94b4f0467c7b3df005b6c2992b1c83219124a37ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling atone v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "be8a5942b4348f46954de2d94b4f0467c7b3df005b6c2992b1c83219124a37ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8a5942b4348f46954de2d94b4f0467c7b3df005b6c2992b1c83219124a37ce", kill_on_drop: false }`
[INFO] [stdout] be8a5942b4348f46954de2d94b4f0467c7b3df005b6c2992b1c83219124a37ce
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f5f0e79171398fcb3b1d2c3ccbc62e00addff455d8437968617d9e3636c5a9f
[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" "8f5f0e79171398fcb3b1d2c3ccbc62e00addff455d8437968617d9e3636c5a9f", 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] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atone-e83f3b2a5f95fa54
[INFO] [stdout] test tests::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test tests::test_extend_ref ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_empty_iter ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_mut_size_hint ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_clone_from ... ok
[INFO] [stdout] test tests::test_drops ... ok
[INFO] [stdout] test tests::test_into_iter_drops ... ok
[INFO] [stdout] test tests::test_push ... ok
[INFO] [stdout] test tests::test_iter_len ... ok
[INFO] [stdout] test tests::test_split_push ... ok
[INFO] [stdout] test tests::test_retain ... ok
[INFO] [stdout] test tests::test_size_hint ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_show ... ok
[INFO] [stdout] test tests::test_zero_capacities ... ok
[INFO] [stdout] test tests::test_create_capacity_zero ... ok
[INFO] [stdout] test tests::test_index_nonexistent ... ok
[INFO] [stdout] test tests::test_iterate ... ok
[INFO] [stdout] test tests::test_iter_mut_len ... ok
[INFO] [stdout] test tests::test_empty_swap_remove ... ok
[INFO] [stdout] test tests::test_empty_remove ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quick-a2b330f392a9f998
[INFO] [stdout] test tests::test_lots_of_pushes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test with_cap ... ok
[INFO] [stdout] test front_back ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test contains ... ok
[INFO] [stdout] test push_retain ... ok
[INFO] [stdout] test operations_string ... ok
[INFO] [stdout] test push_remove ... ok
[INFO] [stdout] test operations_i8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rayon-301e09b82b651727
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde-8434646234aa863a
[INFO] [stderr]    Doc-tests atone
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test src/lib.rs - Vc<T>::clear (line 883) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::insert (line 1269) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::back (line 974) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::get_mut (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::front_mut (line 947) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::back_mut (line 995) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::contains (line 902) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::first (line 159) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::capacity (line 395) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::first_mut (line 180) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::as_single_slice (line 659) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::front (line 925) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::is_empty (line 711) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::get (line 257) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::drain (line 826) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::append (line 1425) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::make_contiguous (line 1574) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::iter (line 610) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::new (line 127) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::iter_mut (line 632) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::pop (line 1069) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::len (line 695) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::make_contiguous (line 1595) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::last (line 202) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::push (line 1126) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::pop_front (line 1022) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::last_mut (line 228) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::pop_back (line 1046) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::push_back (line 1083) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::reserve (line 462) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::remove (line 1331) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::range_mut (line 783) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::range (line 752) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::reserve_exact (line 421) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::swap_remove (line 1244) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::retain (line 1461) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::shrink_to (line 534) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::retain (line 1450) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::split_off (line 1382) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::swap_remove_back (line 1209) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::swap_remove_front (line 1175) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::swap (line 325) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::reverse (line 369) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::truncate (line 578) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::shrink_to_fit (line 510) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::with_capacity (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::resize (line 1625) ... ok
[INFO] [stdout] test src/lib.rs - Vc<T>::resize_with (line 1533) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f5f0e79171398fcb3b1d2c3ccbc62e00addff455d8437968617d9e3636c5a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5f0e79171398fcb3b1d2c3ccbc62e00addff455d8437968617d9e3636c5a9f", kill_on_drop: false }`
[INFO] [stdout] 8f5f0e79171398fcb3b1d2c3ccbc62e00addff455d8437968617d9e3636c5a9f