[INFO] fetching crate sovran-arc 0.1.5...
[INFO] testing sovran-arc-0.1.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate sovran-arc 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sovran-arc 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sovran-arc 0.1.5
[INFO] tweaked toml for crates.io crate sovran-arc 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sovran-arc 0.1.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sovran-arc 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6824c1ab75e6a84766f24ed995858c7e2dd727b91631000ffce574e679a4042
[INFO] running `Command { std: "docker" "start" "-a" "a6824c1ab75e6a84766f24ed995858c7e2dd727b91631000ffce574e679a4042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6824c1ab75e6a84766f24ed995858c7e2dd727b91631000ffce574e679a4042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6824c1ab75e6a84766f24ed995858c7e2dd727b91631000ffce574e679a4042", kill_on_drop: false }`
[INFO] [stdout] a6824c1ab75e6a84766f24ed995858c7e2dd727b91631000ffce574e679a4042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5902ff7f189a157468265c89b6232a9756284dce80f799e0bc5292a8aa337c00
[INFO] running `Command { std: "docker" "start" "-a" "5902ff7f189a157468265c89b6232a9756284dce80f799e0bc5292a8aa337c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling sovran-arc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "5902ff7f189a157468265c89b6232a9756284dce80f799e0bc5292a8aa337c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5902ff7f189a157468265c89b6232a9756284dce80f799e0bc5292a8aa337c00", kill_on_drop: false }`
[INFO] [stdout] 5902ff7f189a157468265c89b6232a9756284dce80f799e0bc5292a8aa337c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41411888b13e7334594726b05bdd8a0158fa884b588d82064d24693a19c1cca
[INFO] running `Command { std: "docker" "start" "-a" "b41411888b13e7334594726b05bdd8a0158fa884b588d82064d24693a19c1cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sovran-arc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "b41411888b13e7334594726b05bdd8a0158fa884b588d82064d24693a19c1cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41411888b13e7334594726b05bdd8a0158fa884b588d82064d24693a19c1cca", kill_on_drop: false }`
[INFO] [stdout] b41411888b13e7334594726b05bdd8a0158fa884b588d82064d24693a19c1cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb9a94546ac1a47b31965c0ef45cc3b68f4ca92dc5c2048ef125df55e9aae114
[INFO] running `Command { std: "docker" "start" "-a" "eb9a94546ac1a47b31965c0ef45cc3b68f4ca92dc5c2048ef125df55e9aae114", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sovran_arc-e39df2124c28d8a7)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test arcm::tests::test_basic_usage ... ok
[INFO] [stdout] test arcm::tests::test_arcm_replace ... ok
[INFO] [stdout] test arcm::tests::test_default ... ok
[INFO] [stdout] test arcm::tests::test_from ... ok
[INFO] [stdout] test arcm::tests::test_complex_modification ... ok
[INFO] [stdout] test arcm::tests::test_multiple_references ... ok
[INFO] [stdout] test arcm::tests::test_weak_arcm_replace ... ok
[INFO] [stdout] test arcm::tests::test_weak_modification ... ok
[INFO] [stdout] test arcm::tests::test_weak_reference ... ok
[INFO] [stdout] test arcmo::tests::test_basic_usage ... ok
[INFO] [stdout] test arcmo::tests::test_default ... ok
[INFO] [stdout] test arcmo::tests::test_modification_patterns ... ok
[INFO] [stdout] test arcmo::tests::test_weak_arcmo_replace ... ok
[INFO] [stdout] test arcmo::tests::test_modify_none_uses_default ... ok
[INFO] [stdout] test arcmo::tests::test_multiple_references ... ok
[INFO] [stdout] test arcmo::tests::test_take_and_replace ... ok
[INFO] [stdout] test arcmo::tests::test_weak_reference ... ok
[INFO] [stdout] test arcmo::tests::test_weak_arcmo_none_to_some ... ok
[INFO] [stdout] test arcmo::tests::test_weak_modification ... ok
[INFO] [stdout] test arcmo::tests::test_weak_with_none ... ok
[INFO] [stdout] test arcm::tests::test_arcm_thread_safety ... ok
[INFO] [stdout] test arcm::tests::test_arcm_replace_with_poisoned_mutex ... ok
[INFO] [stdout] test arcmo::tests::test_weak_arcmo_poisoned_mutex ... ok
[INFO] [stdout] test arcmo::tests::test_arcmo_poisoned_mutex_recovery ... ok
[INFO] [stdout] test arcm::tests::test_arcm_poisoned_mutex_recovery ... ok
[INFO] [stdout] test arcm::tests::test_weak_arcm_poisoned_and_replace ... ok
[INFO] [stdout] test arcm::tests::test_weak_arcm_poisoned_mutex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests tools/release.rs (/opt/rustwide/target/debug/deps/release-5eb996cc9725484e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sovran_arc
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb9a94546ac1a47b31965c0ef45cc3b68f4ca92dc5c2048ef125df55e9aae114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9a94546ac1a47b31965c0ef45cc3b68f4ca92dc5c2048ef125df55e9aae114", kill_on_drop: false }`
[INFO] [stdout] eb9a94546ac1a47b31965c0ef45cc3b68f4ca92dc5c2048ef125df55e9aae114