[INFO] fetching crate smallvec 1.6.0...
[INFO] testing smallvec-1.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate smallvec 1.6.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate smallvec 1.6.0 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 smallvec 1.6.0
[INFO] finished tweaking crates.io crate smallvec 1.6.0
[INFO] tweaked toml for crates.io crate smallvec 1.6.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 3ba9f1a73d80c3d2118b0e97f3fbd3a59d2d6f8b27ba7d96a1fdc295624a2dff
[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" "3ba9f1a73d80c3d2118b0e97f3fbd3a59d2d6f8b27ba7d96a1fdc295624a2dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba9f1a73d80c3d2118b0e97f3fbd3a59d2d6f8b27ba7d96a1fdc295624a2dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba9f1a73d80c3d2118b0e97f3fbd3a59d2d6f8b27ba7d96a1fdc295624a2dff", kill_on_drop: false }`
[INFO] [stdout] 3ba9f1a73d80c3d2118b0e97f3fbd3a59d2d6f8b27ba7d96a1fdc295624a2dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 36170835bcac770082131959b42d5a50417221db3c857ff74bfc7139fcbba6c5
[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" "36170835bcac770082131959b42d5a50417221db3c857ff74bfc7139fcbba6c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "36170835bcac770082131959b42d5a50417221db3c857ff74bfc7139fcbba6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36170835bcac770082131959b42d5a50417221db3c857ff74bfc7139fcbba6c5", kill_on_drop: false }`
[INFO] [stdout] 36170835bcac770082131959b42d5a50417221db3c857ff74bfc7139fcbba6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 20513430624b2f347491d5849d6e148f58d85177c103a76fd1fd8c82f3ad29a3
[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" "20513430624b2f347491d5849d6e148f58d85177c103a76fd1fd8c82f3ad29a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "20513430624b2f347491d5849d6e148f58d85177c103a76fd1fd8c82f3ad29a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20513430624b2f347491d5849d6e148f58d85177c103a76fd1fd8c82f3ad29a3", kill_on_drop: false }`
[INFO] [stdout] 20513430624b2f347491d5849d6e148f58d85177c103a76fd1fd8c82f3ad29a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0fcfccf5d114e7c189debeb750fd14c9c266ac79d79f0025bcdafb59d97db6d5
[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" "0fcfccf5d114e7c189debeb750fd14c9c266ac79d79f0025bcdafb59d97db6d5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 54 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smallvec-80bfbc3980795bab
[INFO] [stdout] test tests::drain_rev ... ok
[INFO] [stdout] test tests::grow_to_shrink ... ok
[INFO] [stdout] test tests::drain_forget ... ok
[INFO] [stdout] test tests::test_as_mut ... ok
[INFO] [stdout] test tests::grow_spilled_same_size ... ok
[INFO] [stdout] test tests::shrink_to_fit_unspill ... ok
[INFO] [stdout] test tests::resumable_extend ... ok
[INFO] [stdout] test tests::empty_macro ... ok
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_borrow ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test tests::test_borrow_mut ... ok
[INFO] [stdout] test tests::test_dedup ... ok
[INFO] [stdout] test tests::test_double_spill ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_from ... ok
[INFO] [stdout] test tests::test_exact_size_iterator ... ok
[INFO] [stdout] test tests::test_extend_from_slice ... ok
[INFO] [stdout] test tests::test_from_slice ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::into_iter_drop ... ok
[INFO] [stdout] test tests::into_iter_rev ... ok
[INFO] [stdout] test tests::issue_4 ... ok
[INFO] [stdout] test tests::issue_5 ... ok
[INFO] [stdout] test tests::drain ... ok
[INFO] [stdout] test tests::test_insert_from_slice ... ok
[INFO] [stdout] test tests::test_insert_many ... ok
[INFO] [stdout] test tests::test_insert_many_short_hint ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::test_into_iter_as_slice ... ok
[INFO] [stdout] test tests::test_ord ... ok
[INFO] [stdout] test tests::test_insert_many_long_hint ... ok
[INFO] [stdout] test tests::test_inline ... ok
[INFO] [stdout] test tests::test_from_vec ... ok
[INFO] [stdout] test tests::test_retain ... ok
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] test tests::test_into_iter_clone_empty_smallvec ... ok
[INFO] [stdout] test tests::test_spill ... ok
[INFO] [stdout] test tests::test_into_iter_clone_partially_consumed_iterator ... ok
[INFO] [stdout] test tests::test_truncate ... ok
[INFO] [stdout] test tests::test_into_vec ... ok
[INFO] [stdout] test tests::uninhabited ... ok
[INFO] [stdout] test tests::test_zero ... ok
[INFO] [stdout] test tests::test_resize ... ok
[INFO] [stdout] test tests::test_into_iter_clone ... ok
[INFO] [stdout] test tests::zero_size_items ... ok
[INFO] [stdout] test tests::test_with_capacity ... ok
[INFO] [stdout] test tests::insert_many_panic::panic_early_in_middle ... ok
[INFO] [stdout] test tests::insert_many_panic::panic_early_at_end ... ok
[INFO] [stdout] test tests::insert_many_panic::panic_early_at_start ... ok
[INFO] [stdout] test tests::insert_many_panic::panic_late_at_end ... ok
[INFO] [stdout] test tests::insert_many_panic::panic_late_at_start ... ok
[INFO] [stdout] test tests::test_drop_panic_smallvec ... ok
[INFO] [stdout] test tests::test_invalid_grow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macro-8d2b0c80adcdb22f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smallvec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smallvec
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_buf (line 558) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_vec (line 522) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::append (line 788) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec (line 460) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::with_capacity (line 503) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_raw_parts (line 1272) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_buf_and_len_unchecked (line 596) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_buf_and_len (line 578) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::resize_with (line 1211) ... ok
[INFO] [stdout] test src/lib.rs - ExtendFromSlice (line 194) ... ok
[INFO] [stdout] test src/lib.rs - smallvec (line 136) ... ok
[INFO] [stdout] test src/lib.rs - SmallVec<A>::from_elem (line 1417) ... ok
[INFO] [stdout] test src/lib.rs - smallvec (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fcfccf5d114e7c189debeb750fd14c9c266ac79d79f0025bcdafb59d97db6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcfccf5d114e7c189debeb750fd14c9c266ac79d79f0025bcdafb59d97db6d5", kill_on_drop: false }`
[INFO] [stdout] 0fcfccf5d114e7c189debeb750fd14c9c266ac79d79f0025bcdafb59d97db6d5