[INFO] fetching crate caring 0.3.0...
[INFO] testing caring-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate caring 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate caring 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caring 0.3.0
[INFO] finished tweaking crates.io crate caring 0.3.0
[INFO] tweaked toml for crates.io crate caring 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64aa396fd07ee15349a477ecfd7d9dbe42e08e36d5e7188bbe9f4bddae936a23
[INFO] running `Command { std: "docker" "start" "-a" "64aa396fd07ee15349a477ecfd7d9dbe42e08e36d5e7188bbe9f4bddae936a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64aa396fd07ee15349a477ecfd7d9dbe42e08e36d5e7188bbe9f4bddae936a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64aa396fd07ee15349a477ecfd7d9dbe42e08e36d5e7188bbe9f4bddae936a23", kill_on_drop: false }`
[INFO] [stdout] 64aa396fd07ee15349a477ecfd7d9dbe42e08e36d5e7188bbe9f4bddae936a23
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d005c7ab97e7173a014fc54ca03fe2e7c3a36060006db1277f5d188e77c5b5b2
[INFO] running `Command { std: "docker" "start" "-a" "d005c7ab97e7173a014fc54ca03fe2e7c3a36060006db1277f5d188e77c5b5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling interprocess-traits v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling memfd v0.3.0
[INFO] [stderr]    Compiling caring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "d005c7ab97e7173a014fc54ca03fe2e7c3a36060006db1277f5d188e77c5b5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d005c7ab97e7173a014fc54ca03fe2e7c3a36060006db1277f5d188e77c5b5b2", kill_on_drop: false }`
[INFO] [stdout] d005c7ab97e7173a014fc54ca03fe2e7c3a36060006db1277f5d188e77c5b5b2
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a597cd558fe7df51c7d78778d8e2ea44899b732ee1e7df4c950fc962a864c2b0
[INFO] running `Command { std: "docker" "start" "-a" "a597cd558fe7df51c7d78778d8e2ea44899b732ee1e7df4c950fc962a864c2b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sendfd v0.3.3
[INFO] [stderr]    Compiling caring v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "a597cd558fe7df51c7d78778d8e2ea44899b732ee1e7df4c950fc962a864c2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a597cd558fe7df51c7d78778d8e2ea44899b732ee1e7df4c950fc962a864c2b0", kill_on_drop: false }`
[INFO] [stdout] a597cd558fe7df51c7d78778d8e2ea44899b732ee1e7df4c950fc962a864c2b0
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abee44f60c36bc899baaa5c889b6857e452079492c4e06ee8b4c143a87502cac
[INFO] running `Command { std: "docker" "start" "-a" "abee44f60c36bc899baaa5c889b6857e452079492c4e06ee8b4c143a87502cac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caring-8e2e3bb68594cf68)
[INFO] [stdout] test tests::new_allocates_properly ... ok
[INFO] [stdout] test tests::new_sized_allocates_properly ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared ... ok
[INFO] [stdout] test tests::syncs_across_threads ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send ... ok
[INFO] [stdout] test tests::syncs_across_processes_with_fork ... ok
[INFO] [stdout] test tests::syncs_across_threads_different_shared_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_processes_after_socket_send_test_can_fail - should panic ... ok
[INFO] [stderr]    Doc-tests caring
[INFO] [stdout] test tests::syncs_across_processes_with_fork_test_can_fail - should panic ... ok
[INFO] [stdout] test tests::syncs_across_threads_test_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s
[INFO] [stdout] 
[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" "abee44f60c36bc899baaa5c889b6857e452079492c4e06ee8b4c143a87502cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abee44f60c36bc899baaa5c889b6857e452079492c4e06ee8b4c143a87502cac", kill_on_drop: false }`
[INFO] [stdout] abee44f60c36bc899baaa5c889b6857e452079492c4e06ee8b4c143a87502cac