[INFO] cloning repository https://github.com/reez12g/toyrcu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reez12g/toyrcu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freez12g%2Ftoyrcu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freez12g%2Ftoyrcu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bebac74f7d3f862bbd508ba3aa0c130c2d3acaba
[INFO] testing reez12g/toyrcu against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freez12g%2Ftoyrcu" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reez12g/toyrcu
[INFO] finished tweaking git repo https://github.com/reez12g/toyrcu
[INFO] tweaked toml for git repo https://github.com/reez12g/toyrcu written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reez12g/toyrcu on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reez12g/toyrcu 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f4da895962c7121537aee89989133f6722d6b73a3693ca7d7f690e8d14d35c
[INFO] running `Command { std: "docker" "start" "-a" "32f4da895962c7121537aee89989133f6722d6b73a3693ca7d7f690e8d14d35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f4da895962c7121537aee89989133f6722d6b73a3693ca7d7f690e8d14d35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f4da895962c7121537aee89989133f6722d6b73a3693ca7d7f690e8d14d35c", kill_on_drop: false }`
[INFO] [stdout] 32f4da895962c7121537aee89989133f6722d6b73a3693ca7d7f690e8d14d35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 278cbe298b04a7aa4777b3f6b5a3e8123308cf214f0ffb9929c2b3ce40f32493
[INFO] running `Command { std: "docker" "start" "-a" "278cbe298b04a7aa4777b3f6b5a3e8123308cf214f0ffb9929c2b3ce40f32493", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toyrcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]    --> src/rcu.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl<'a, T: Clone + PartialEq> Rcu<T> {
[INFO] [stdout]     | ------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn clean(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "278cbe298b04a7aa4777b3f6b5a3e8123308cf214f0ffb9929c2b3ce40f32493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278cbe298b04a7aa4777b3f6b5a3e8123308cf214f0ffb9929c2b3ce40f32493", kill_on_drop: false }`
[INFO] [stdout] 278cbe298b04a7aa4777b3f6b5a3e8123308cf214f0ffb9929c2b3ce40f32493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae4483e4a0379d0444629df7e54d5620b05f984971a85152e36b0fad6189498
[INFO] running `Command { std: "docker" "start" "-a" "6ae4483e4a0379d0444629df7e54d5620b05f984971a85152e36b0fad6189498", kill_on_drop: false }`
[INFO] [stderr]    Compiling toyrcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "6ae4483e4a0379d0444629df7e54d5620b05f984971a85152e36b0fad6189498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae4483e4a0379d0444629df7e54d5620b05f984971a85152e36b0fad6189498", kill_on_drop: false }`
[INFO] [stdout] 6ae4483e4a0379d0444629df7e54d5620b05f984971a85152e36b0fad6189498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16edf14b117342cfcd8eb999d30b4811d6a64187932ae37ad73a3fdd0976049b
[INFO] running `Command { std: "docker" "start" "-a" "16edf14b117342cfcd8eb999d30b4811d6a64187932ae37ad73a3fdd0976049b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toyrcu-548ce006256eda1a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test rcu::tests::test_chain_cleanup ... ok
[INFO] [stdout] test rcu::tests::test_basic_functionality ... ok
[INFO] [stdout] test rcu::tests::test_drop_behavior ... ok
[INFO] [stdout] test rcu::tests::test_cleanup ... ok
[INFO] [stdout] test rcu::tests::test_error_on_double_update ... ok
[INFO] [stdout] test rcu::tests::test_no_update_on_identical_values ... ok
[INFO] [stdout] test rcu::tests::test_stress_with_concurrent_updates_and_cleanups ... ok
[INFO] [stdout] test rcu::tests::test_production_scenario ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin toyrcu`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/toyrcu-548ce006256eda1a` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "16edf14b117342cfcd8eb999d30b4811d6a64187932ae37ad73a3fdd0976049b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16edf14b117342cfcd8eb999d30b4811d6a64187932ae37ad73a3fdd0976049b", kill_on_drop: false }`
[INFO] [stdout] 16edf14b117342cfcd8eb999d30b4811d6a64187932ae37ad73a3fdd0976049b