[INFO] fetching crate ringbuf-blocking 0.1.0-rc.3...
[INFO] checking ringbuf-blocking-0.1.0-rc.3 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate ringbuf-blocking 0.1.0-rc.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ringbuf-blocking 0.1.0-rc.3 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuf-blocking 0.1.0-rc.3
[INFO] finished tweaking crates.io crate ringbuf-blocking 0.1.0-rc.3
[INFO] tweaked toml for crates.io crate ringbuf-blocking 0.1.0-rc.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddaabc1b225f703f5ecf289525db7eae30b46689f3e24f6572bc97e9b6ade798
[INFO] running `Command { std: "docker" "start" "-a" "ddaabc1b225f703f5ecf289525db7eae30b46689f3e24f6572bc97e9b6ade798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddaabc1b225f703f5ecf289525db7eae30b46689f3e24f6572bc97e9b6ade798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaabc1b225f703f5ecf289525db7eae30b46689f3e24f6572bc97e9b6ade798", kill_on_drop: false }`
[INFO] [stdout] ddaabc1b225f703f5ecf289525db7eae30b46689f3e24f6572bc97e9b6ade798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732b8116d23e761bdd83134565b06c3662f59b8ed767f75ba70931559100caf4
[INFO] running `Command { std: "docker" "start" "-a" "732b8116d23e761bdd83134565b06c3662f59b8ed767f75ba70931559100caf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking ringbuf v0.4.4
[INFO] [stderr]     Checking ringbuf-blocking v0.1.0-rc.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "732b8116d23e761bdd83134565b06c3662f59b8ed767f75ba70931559100caf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732b8116d23e761bdd83134565b06c3662f59b8ed767f75ba70931559100caf4", kill_on_drop: false }`
[INFO] [stdout] 732b8116d23e761bdd83134565b06c3662f59b8ed767f75ba70931559100caf4
[INFO] checking ringbuf-blocking-0.1.0-rc.3 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate ringbuf-blocking 0.1.0-rc.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ringbuf-blocking 0.1.0-rc.3 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuf-blocking 0.1.0-rc.3
[INFO] finished tweaking crates.io crate ringbuf-blocking 0.1.0-rc.3
[INFO] tweaked toml for crates.io crate ringbuf-blocking 0.1.0-rc.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40d6d485b1289fb5eaef07f46264eeafa1c6e6f96e24904a88f8c04f6981339c
[INFO] running `Command { std: "docker" "start" "-a" "40d6d485b1289fb5eaef07f46264eeafa1c6e6f96e24904a88f8c04f6981339c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40d6d485b1289fb5eaef07f46264eeafa1c6e6f96e24904a88f8c04f6981339c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d6d485b1289fb5eaef07f46264eeafa1c6e6f96e24904a88f8c04f6981339c", kill_on_drop: false }`
[INFO] [stdout] 40d6d485b1289fb5eaef07f46264eeafa1c6e6f96e24904a88f8c04f6981339c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991d8aaed87f49216fe6ded65eb6156bb5968a3b05754b7d8150233fe977d8a4
[INFO] running `Command { std: "docker" "start" "-a" "991d8aaed87f49216fe6ded65eb6156bb5968a3b05754b7d8150233fe977d8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking ringbuf v0.4.4
[INFO] [stderr]     Checking ringbuf-blocking v0.1.0-rc.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "991d8aaed87f49216fe6ded65eb6156bb5968a3b05754b7d8150233fe977d8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991d8aaed87f49216fe6ded65eb6156bb5968a3b05754b7d8150233fe977d8a4", kill_on_drop: false }`
[INFO] [stdout] 991d8aaed87f49216fe6ded65eb6156bb5968a3b05754b7d8150233fe977d8a4