[INFO] fetching crate arc-string-interner 0.1.0...
[INFO] testing arc-string-interner-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arc-string-interner 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arc-string-interner 0.1.0 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 arc-string-interner 0.1.0
[INFO] finished tweaking crates.io crate arc-string-interner 0.1.0
[INFO] tweaked toml for crates.io crate arc-string-interner 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e16046db5c4e87f21dc8c9e3430a76829ed8b4eb0c43076d6df15606a37384d5
[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" "e16046db5c4e87f21dc8c9e3430a76829ed8b4eb0c43076d6df15606a37384d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16046db5c4e87f21dc8c9e3430a76829ed8b4eb0c43076d6df15606a37384d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16046db5c4e87f21dc8c9e3430a76829ed8b4eb0c43076d6df15606a37384d5", kill_on_drop: false }`
[INFO] [stdout] e16046db5c4e87f21dc8c9e3430a76829ed8b4eb0c43076d6df15606a37384d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d3ed5d6927c1dbe6b64524872d4813ca565a8d3d0b894440af945f16f0986cda
[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" "d3ed5d6927c1dbe6b64524872d4813ca565a8d3d0b894440af945f16f0986cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-string-interner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d3ed5d6927c1dbe6b64524872d4813ca565a8d3d0b894440af945f16f0986cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ed5d6927c1dbe6b64524872d4813ca565a8d3d0b894440af945f16f0986cda", kill_on_drop: false }`
[INFO] [stdout] d3ed5d6927c1dbe6b64524872d4813ca565a8d3d0b894440af945f16f0986cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9ce1180f30a4e825741b020ed775140aa8e4ac6db56b664782a24a73c9711638
[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" "9ce1180f30a4e825741b020ed775140aa8e4ac6db56b664782a24a73c9711638", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arc-string-interner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "9ce1180f30a4e825741b020ed775140aa8e4ac6db56b664782a24a73c9711638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce1180f30a4e825741b020ed775140aa8e4ac6db56b664782a24a73c9711638", kill_on_drop: false }`
[INFO] [stdout] 9ce1180f30a4e825741b020ed775140aa8e4ac6db56b664782a24a73c9711638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2419567d4fa5384dc8aeabd32a2388e0bafd3b0a87ffd92806196798049f4153
[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" "2419567d4fa5384dc8aeabd32a2388e0bafd3b0a87ffd92806196798049f4153", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arc_string_interner-d049904ff808396b
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test tests::capacity::empty_shrink_to_fit ... ok
[INFO] [stdout] test tests::extend::simple ... ok
[INFO] [stdout] test tests::from_iterator::empty ... ok
[INFO] [stdout] test tests::extend::empty ... ok
[INFO] [stdout] test tests::extend::multiple_same ... ok
[INFO] [stdout] test tests::clone_and_drop::clone ... ok
[INFO] [stdout] test tests::capacity::with_capacity_len_0 ... ok
[INFO] [stdout] test tests::get::simple_strings ... ok
[INFO] [stdout] test tests::capacity::with_capacity_eq_reserve ... ok
[INFO] [stdout] test tests::from_iterator::multiple_same ... ok
[INFO] [stdout] test tests::from_iterator::simple ... ok
[INFO] [stdout] test tests::capacity::with_capacity ... ok
[INFO] [stdout] test tests::get::not_founds ... ok
[INFO] [stdout] test tests::get::simple ... ok
[INFO] [stdout] test tests::internal_str_ref::eq ... ok
[INFO] [stdout] test tests::capacity::partial_shrink_to_fit ... ok
[INFO] [stdout] test tests::capacity::full_shrink_to_fit ... ok
[INFO] [stdout] test tests::get_or_intern::act_same ... ok
[INFO] [stdout] test tests::capacity::new ... ok
[INFO] [stdout] test tests::internal_str_ref::size_of ... ok
[INFO] [stdout] test tests::default::same_as_empty ... ok
[INFO] [stdout] test tests::clone_and_drop::no_use_after_free ... ok
[INFO] [stdout] test tests::capacity::reserve ... ok
[INFO] [stdout] test tests::iter::simple ... ok
[INFO] [stdout] test tests::get_or_intern::empty_string ... ok
[INFO] [stdout] test tests::is_empty::not_empty ... ok
[INFO] [stdout] test tests::get_or_intern::intern_string ... ok
[INFO] [stdout] test tests::iter_values::empty ... ok
[INFO] [stdout] test tests::len::new_len ... ok
[INFO] [stdout] test tests::resolve::not_found ... ok
[INFO] [stdout] test tests::get_or_intern::same_twice ... ok
[INFO] [stdout] test tests::get_or_intern::simple ... ok
[INFO] [stdout] test tests::internal_str_ref::hash_same_as_str ... ok
[INFO] [stdout] test tests::internal_str_ref::ne ... ok
[INFO] [stdout] test tests::get_or_intern::two_different ... ok
[INFO] [stdout] test tests::iter::empty ... ok
[INFO] [stdout] test tests::into_iter::simple ... ok
[INFO] [stdout] test tests::is_empty::new ... ok
[INFO] [stdout] test tests::into_iter::empty ... ok
[INFO] [stderr]    Doc-tests arc-string-interner
[INFO] [stdout] test tests::sym::same_size_as_optional ... ok
[INFO] [stdout] test tests::resolve::unchecked ... ok
[INFO] [stdout] test tests::resolve::simple ... ok
[INFO] [stdout] test tests::len::len_after_diff ... ok
[INFO] [stdout] test tests::iter_values::simple ... ok
[INFO] [stdout] test tests::len::len_after_same ... ok
[INFO] [stdout] test tests::len::len_after_intern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2419567d4fa5384dc8aeabd32a2388e0bafd3b0a87ffd92806196798049f4153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2419567d4fa5384dc8aeabd32a2388e0bafd3b0a87ffd92806196798049f4153", kill_on_drop: false }`
[INFO] [stdout] 2419567d4fa5384dc8aeabd32a2388e0bafd3b0a87ffd92806196798049f4153