[INFO] fetching crate shred 0.10.2...
[INFO] testing shred-0.10.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate shred 0.10.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate shred 0.10.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shred 0.10.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate shred 0.10.2
[INFO] tweaked toml for crates.io crate shred 0.10.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate shred 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.3.2
[INFO] [stderr]   Downloaded tynm v0.1.3
[INFO] [stderr]   Downloaded hashbrown v0.7.0
[INFO] [stderr]   Downloaded shred-derive v0.6.2
[INFO] [stderr]   Downloaded nom v5.1.0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 8e6e3770acdad5583aef4dd76665d13d7ebc5b4862a793de46821cd36b086710
[INFO] running `Command { std: "docker" "start" "-a" "8e6e3770acdad5583aef4dd76665d13d7ebc5b4862a793de46821cd36b086710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6e3770acdad5583aef4dd76665d13d7ebc5b4862a793de46821cd36b086710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6e3770acdad5583aef4dd76665d13d7ebc5b4862a793de46821cd36b086710", kill_on_drop: false }`
[INFO] [stdout] 8e6e3770acdad5583aef4dd76665d13d7ebc5b4862a793de46821cd36b086710
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] 59e0fed68cd8ec7593ec654bad09d84bae642fd23b890e09d33222212350cdcc
[INFO] running `Command { std: "docker" "start" "-a" "59e0fed68cd8ec7593ec654bad09d84bae642fd23b890e09d33222212350cdcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling hashbrown v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling tynm v0.1.3
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.2
[INFO] [stderr]    Compiling shred v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `Command { std: "docker" "inspect" "59e0fed68cd8ec7593ec654bad09d84bae642fd23b890e09d33222212350cdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e0fed68cd8ec7593ec654bad09d84bae642fd23b890e09d33222212350cdcc", kill_on_drop: false }`
[INFO] [stdout] 59e0fed68cd8ec7593ec654bad09d84bae642fd23b890e09d33222212350cdcc
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4e2000f60ed40dca4c933048a556f9e6161c0b56ab958ee009384fbf9405d3e
[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" "d4e2000f60ed40dca4c933048a556f9e6161c0b56ab958ee009384fbf9405d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling shred v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.31s
[INFO] running `Command { std: "docker" "inspect" "d4e2000f60ed40dca4c933048a556f9e6161c0b56ab958ee009384fbf9405d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e2000f60ed40dca4c933048a556f9e6161c0b56ab958ee009384fbf9405d3e", kill_on_drop: false }`
[INFO] [stdout] d4e2000f60ed40dca4c933048a556f9e6161c0b56ab958ee009384fbf9405d3e
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43072da3748d41089d6611c94a014409a0ef22e462be8185d00eb52781a9239e
[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" "43072da3748d41089d6611c94a014409a0ef22e462be8185d00eb52781a9239e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shred-6e33cae48722dd32
[INFO] [stdout] running 57 tests
[INFO] [stdout] test cell::tests::allow_multiple_reads ... ok
[INFO] [stdout] test cell::tests::ref_map_retains_borrow ... ok
[INFO] [stdout] test cell::tests::allow_clone_reads ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_box ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_drops_borrow ... ok
[INFO] [stdout] test cell::tests::ref_with_non_sized ... ok
[INFO] [stdout] test cell::tests::ref_mut_with_trait_obj ... ok
[INFO] [stdout] test cell::tests::ref_with_non_sized_clone ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_preserves_flag ... ok
[INFO] [stdout] test cell::tests::ref_with_trait_obj ... ok
[INFO] [stdout] test cell::tests::cloned_borrow_does_not_allow_write ... ok
[INFO] [stdout] test cell::tests::allow_single_write ... ok
[INFO] [stdout] test dispatch::batch::tests::test_setup ... ok
[INFO] [stdout] test cell::tests::try_read_and_write ... ok
[INFO] [stdout] test cell::tests::ref_map_preserves_flag ... ok
[INFO] [stdout] test cell::tests::ref_mut_with_non_sized ... ok
[INFO] [stdout] test cell::tests::try_write_and_read ... ok
[INFO] [stdout] test cell::tests::try_write_and_write ... ok
[INFO] [stdout] test dispatch::par_seq::tests::build_seq ... ok
[INFO] [stdout] test cell::tests::ref_map_box ... ok
[INFO] [stdout] test dispatch::stage::tests::check_intersection_basic ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_add ... ok
[INFO] [stdout] test cell::tests::ref_map_drops_borrow ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_ww ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_ww_multi ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_rw ... ok
[INFO] [stdout] test meta::tests::get ... ok
[INFO] [stdout] test dispatch::stage::tests::test_chained_dependency ... ok
[INFO] [stdout] test meta::tests::test_iter_all_after_removal ... ok
[INFO] [stdout] test meta::tests::test_iter_all ... ok
[INFO] [stdout] test world::entry::tests::test_entry ... ok
[INFO] [stdout] test dispatch::stage::tests::uses_group ... ok
[INFO] [stdout] test world::tests::add ... ok
[INFO] [stdout] test world::tests::exec ... ok
[INFO] [stdout] test world::tests::fetch_aspects ... ok
[INFO] [stdout] test world::tests::fetch_by_id ... ok
[INFO] [stdout] test world::tests::fetch_mut_aspects ... ok
[INFO] [stdout] test world::tests::default_works ... ok
[INFO] [stdout] test cell::tests::panic_write_and_write ... ok
[INFO] [stdout] test cell::tests::panic_read_and_write ... ok
[INFO] [stdout] test dispatch::batch::tests::test_parallel_batch_execution ... FAILED
[INFO] [stdout] test world::tests::remove_insert ... ok
[INFO] [stdout] test world::tests::setup ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/shred-6e33cae48722dd32` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "43072da3748d41089d6611c94a014409a0ef22e462be8185d00eb52781a9239e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43072da3748d41089d6611c94a014409a0ef22e462be8185d00eb52781a9239e", kill_on_drop: false }`
[INFO] [stdout] 43072da3748d41089d6611c94a014409a0ef22e462be8185d00eb52781a9239e