[INFO] fetching crate intrusive-collections 0.9.6...
[INFO] checking intrusive-collections-0.9.6 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate intrusive-collections 0.9.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate intrusive-collections 0.9.6 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intrusive-collections 0.9.6
[INFO] finished tweaking crates.io crate intrusive-collections 0.9.6
[INFO] tweaked toml for crates.io crate intrusive-collections 0.9.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a40793bdb144942c474a62f30ed8623a7a6d8b46552e71a61b051cc70b773ae
[INFO] running `Command { std: "docker" "start" "-a" "4a40793bdb144942c474a62f30ed8623a7a6d8b46552e71a61b051cc70b773ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a40793bdb144942c474a62f30ed8623a7a6d8b46552e71a61b051cc70b773ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a40793bdb144942c474a62f30ed8623a7a6d8b46552e71a61b051cc70b773ae", kill_on_drop: false }`
[INFO] [stdout] 4a40793bdb144942c474a62f30ed8623a7a6d8b46552e71a61b051cc70b773ae
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e69b715fbb58e94900d00a8ca1035c8145591ef4013e70dd479ad8a81a92976
[INFO] running `Command { std: "docker" "start" "-a" "5e69b715fbb58e94900d00a8ca1035c8145591ef4013e70dd479ad8a81a92976", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking intrusive-collections v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "5e69b715fbb58e94900d00a8ca1035c8145591ef4013e70dd479ad8a81a92976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e69b715fbb58e94900d00a8ca1035c8145591ef4013e70dd479ad8a81a92976", kill_on_drop: false }`
[INFO] [stdout] 5e69b715fbb58e94900d00a8ca1035c8145591ef4013e70dd479ad8a81a92976