[INFO] fetching crate shared_arena 0.8.4...
[INFO] testing shared_arena-0.8.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shared_arena 0.8.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shared_arena 0.8.4 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 shared_arena 0.8.4
[INFO] finished tweaking crates.io crate shared_arena 0.8.4
[INFO] tweaked toml for crates.io crate shared_arena 0.8.4 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6aaaee8cd7f127a9450507b13e813e8152690445f0dd9c6e28e0d7dd2482ae71
[INFO] running `Command { std: "docker" "start" "-a" "6aaaee8cd7f127a9450507b13e813e8152690445f0dd9c6e28e0d7dd2482ae71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aaaee8cd7f127a9450507b13e813e8152690445f0dd9c6e28e0d7dd2482ae71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaaee8cd7f127a9450507b13e813e8152690445f0dd9c6e28e0d7dd2482ae71", kill_on_drop: false }`
[INFO] [stdout] 6aaaee8cd7f127a9450507b13e813e8152690445f0dd9c6e28e0d7dd2482ae71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7a70527b8b33e2adaa24d509fe3233e759fb3b7fd86f946fd8f9c08d901be32d
[INFO] running `Command { std: "docker" "start" "-a" "7a70527b8b33e2adaa24d509fe3233e759fb3b7fd86f946fd8f9c08d901be32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_arena v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "7a70527b8b33e2adaa24d509fe3233e759fb3b7fd86f946fd8f9c08d901be32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a70527b8b33e2adaa24d509fe3233e759fb3b7fd86f946fd8f9c08d901be32d", kill_on_drop: false }`
[INFO] [stdout] 7a70527b8b33e2adaa24d509fe3233e759fb3b7fd86f946fd8f9c08d901be32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8c5c961934bd17c4d712eb26f8971e2631bbe7d022855f9bc3c03e9c36cfd34e
[INFO] running `Command { std: "docker" "start" "-a" "8c5c961934bd17c4d712eb26f8971e2631bbe7d022855f9bc3c03e9c36cfd34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling shared_arena v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "8c5c961934bd17c4d712eb26f8971e2631bbe7d022855f9bc3c03e9c36cfd34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5c961934bd17c4d712eb26f8971e2631bbe7d022855f9bc3c03e9c36cfd34e", kill_on_drop: false }`
[INFO] [stdout] 8c5c961934bd17c4d712eb26f8971e2631bbe7d022855f9bc3c03e9c36cfd34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 315feaf7bd8a0f1f985bb7e4f8012c105baac9df59ad380aae41b1d3032b93d5
[INFO] running `Command { std: "docker" "start" "-a" "315feaf7bd8a0f1f985bb7e4f8012c105baac9df59ad380aae41b1d3032b93d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared_arena-079929ffffbd5c0b)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test arena::tests::alloc_fns ... ok
[INFO] [stdout] test arena::tests::alloc_with_initializer ... ok
[INFO] [stdout] test arena::tests::arena_shrink2 ... ok
[INFO] [stdout] test arena::tests::arena_size ... ok
[INFO] [stdout] test arena::tests::arena_shrink ... ok
[INFO] [stdout] test arena_rc::tests::arena_rc ... ok
[INFO] [stdout] test arena::tests::drop_arena_with_valid_allocated ... ok
[INFO] [stdout] test block::tests::page_tagged_ptr_debug ... ok
[INFO] [stdout] test block::tests::page_tagged_ptr ... ok
[INFO] [stdout] test block::tests::pagekind_into ... ok
[INFO] [stdout] test cache_line::tests::test_cached_aligned ... ok
[INFO] [stdout] test cache_line::tests::test_cached_aligned_clone ... ok
[INFO] [stdout] test cache_line::tests::test_cached_aligned_mut ... ok
[INFO] [stdout] test arena::tests::miri_arena_with_threads_and_shrinks ... ok
[INFO] [stdout] test pool::tests::alloc_fns ... ok
[INFO] [stdout] test pool::tests::alloc_with_initializer ... ok
[INFO] [stdout] test shared_arena::tests::alloc_fns ... ok
[INFO] [stdout] test shared_arena::tests::drop_arena_with_valid_allocated ... ok
[INFO] [stdout] test shared_arena::tests::alloc_with_initializer ... ok
[INFO] [stdout] test pool::tests::drop_arena_with_valid_allocated ... ok
[INFO] [stdout] test pool::tests::arena_shrink ... ok
[INFO] [stdout] test arena::tests::miri_arena_with_threads ... ok
[INFO] [stdout] test pool::tests::arena_shrink2 ... ok
[INFO] [stdout] test pool::tests::arena_size ... ok
[INFO] [stdout] test shared_arena::tests::arena_size ... ok
[INFO] [stdout] test shared_arena::tests::arena_shrink ... ok
[INFO] [stdout] test shared_arena::tests::arena_shrink2 ... ok
[INFO] [stdout] test shared_arena::tests::miri_arena_with_threads_and_shrinks ... ok
[INFO] [stdout] test shared_arena::tests::miri_arena_with_threads ... ok
[INFO] [stdout] test arena::tests::arena_with_threads_and_shrinks ... ok
[INFO] [stdout] test arena::tests::alloc_rc_with_panic - should panic ... ok
[INFO] [stdout] test arena::tests::alloc_arc_with_panic - should panic ... ok
[INFO] [stdout] test block::tests::invalid_tagged_ptr - should panic ... ok
[INFO] [stdout] test block::tests::invalid_block - should panic ... ok
[INFO] [stdout] test pool::tests::alloc_with_panic - should panic ... ok
[INFO] [stdout] test pool::tests::alloc_rc_with_panic - should panic ... ok
[INFO] [stdout] test shared_arena::tests::alloc_rc_with_panic - should panic ... ok
[INFO] [stdout] test shared_arena::tests::alloc_with_panic - should panic ... ok
[INFO] [stdout] test pool::tests::invalid_block - should panic ... ok
[INFO] [stdout] test shared_arena::tests::alloc_arc_with_panic - should panic ... ok
[INFO] [stdout] test arena::tests::alloc_with_panic - should panic ... ok
[INFO] [stdout] test shared_arena::tests::arena_with_threads_and_shrinks ... ok
[INFO] [stdout] test shared_arena::tests::arena_with_threads ... ok
[INFO] [stdout] test arena::tests::arena_with_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_arena
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test src/arena.rs - arena::arena_fail (line 707) - compile fail ... ok
[INFO] [stdout] test src/arena.rs - arena::arena_fail (line 714) - compile fail ... ok
[INFO] [stdout] test src/arena.rs - arena::arena_fail (line 721) - compile fail ... ok
[INFO] [stdout] test src/arena.rs - arena::arena_fail (line 684) - compile fail ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::stats (line 532) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::fmt (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ignored
[INFO] [stdout] test src/lib.rs - (line 48) ... ignored
[INFO] [stdout] test src/arena.rs - arena::arena_fail (line 695) - compile fail ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc (line 36) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc_arc_with (line 291) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox (line 20) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc (line 30) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc (line 154) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc_rc_with (line 386) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc_with (line 196) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::deref_mut (line 118) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::deref (line 148) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::drop (line 165) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::drop (line 153) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::shrink_to_fit (line 448) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::fmt (line 43) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::clone (line 124) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::fmt (line 88) ... ok
[INFO] [stdout] test src/arena_arc.rs - arena_arc::ArenaArc<T>::fmt (line 62) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::with_capacity (line 114) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::new (line 140) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::clone (line 112) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc_arc (line 249) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::alloc_rc (line 344) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::fmt (line 56) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::deref (line 136) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena (line 20) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::deref (line 105) ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::drop (line 134) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::arena_fail (line 882) - compile fail ... ok
[INFO] [stdout] test src/arena_box.rs - arena_box::ArenaBox<T>::fmt (line 69) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::arena_fail (line 889) - compile fail ... ok
[INFO] [stdout] test src/pool.rs - pool::arena_fail (line 587) - compile fail ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::alloc_rc (line 282) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::arena_fail (line 875) - compile fail ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::fmt (line 67) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::fmt (line 54) ... ok
[INFO] [stdout] test src/pool.rs - pool::arena_fail (line 598) - compile fail ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::with_capacity (line 124) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::alloc (line 187) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::shrink_to_fit (line 443) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::stats (line 379) ... ok
[INFO] [stdout] test src/pool.rs - pool::PoolBox (line 19) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::alloc_with (line 229) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc_arc (line 398) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::alloc_rc_with (line 324) ... ok
[INFO] [stdout] test src/arena_rc.rs - arena_rc::ArenaRc<T>::fmt (line 80) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T>::new (line 105) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc (line 303) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc_arc_with (line 443) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc_rc (line 497) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc_rc_with (line 539) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena (line 19) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::shrink_to_fit (line 609) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::new (line 289) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::alloc_with (line 345) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::stats (line 720) ... ok
[INFO] [stdout] test src/shared_arena.rs - shared_arena::SharedArena<T>::with_capacity (line 258) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "315feaf7bd8a0f1f985bb7e4f8012c105baac9df59ad380aae41b1d3032b93d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315feaf7bd8a0f1f985bb7e4f8012c105baac9df59ad380aae41b1d3032b93d5", kill_on_drop: false }`
[INFO] [stdout] 315feaf7bd8a0f1f985bb7e4f8012c105baac9df59ad380aae41b1d3032b93d5