[INFO] fetching crate rcu_128 0.2.2...
[INFO] testing rcu_128-0.2.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rcu_128 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rcu_128 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rcu_128 0.2.2
[INFO] tweaked toml for crates.io crate rcu_128 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcu_128 0.2.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rcu_128 0.2.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b2ac71b965573e339ec755f5bcac0aab16befc4dadd5f45207218adac895a45
[INFO] running `Command { std: "docker" "start" "-a" "3b2ac71b965573e339ec755f5bcac0aab16befc4dadd5f45207218adac895a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2ac71b965573e339ec755f5bcac0aab16befc4dadd5f45207218adac895a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2ac71b965573e339ec755f5bcac0aab16befc4dadd5f45207218adac895a45", kill_on_drop: false }`
[INFO] [stdout] 3b2ac71b965573e339ec755f5bcac0aab16befc4dadd5f45207218adac895a45
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad16f8b7e03c6e879d58752e2c3f12f6d0fa75626979abef0f6f83a057363890
[INFO] running `Command { std: "docker" "start" "-a" "ad16f8b7e03c6e879d58752e2c3f12f6d0fa75626979abef0f6f83a057363890", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rcu_128 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ad16f8b7e03c6e879d58752e2c3f12f6d0fa75626979abef0f6f83a057363890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad16f8b7e03c6e879d58752e2c3f12f6d0fa75626979abef0f6f83a057363890", kill_on_drop: false }`
[INFO] [stdout] ad16f8b7e03c6e879d58752e2c3f12f6d0fa75626979abef0f6f83a057363890
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f851bd43b3a20a0719546f1177c49d5293983cc8a933a71dd02728624f5f9b2d
[INFO] running `Command { std: "docker" "start" "-a" "f851bd43b3a20a0719546f1177c49d5293983cc8a933a71dd02728624f5f9b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_128 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `RcuCell` in `rcu_128`
[INFO] [stdout]  --> examples/example.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let x = rcu_128::RcuCell::new(0);
[INFO] [stdout]   |                      ^^^^^^^ could not find `RcuCell` in `rcu_128`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcu_128` (example "example") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f851bd43b3a20a0719546f1177c49d5293983cc8a933a71dd02728624f5f9b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f851bd43b3a20a0719546f1177c49d5293983cc8a933a71dd02728624f5f9b2d", kill_on_drop: false }`
[INFO] [stdout] f851bd43b3a20a0719546f1177c49d5293983cc8a933a71dd02728624f5f9b2d