[INFO] fetching crate splay_tree 0.2.10...
[INFO] checking splay_tree-0.2.10 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate splay_tree 0.2.10 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate splay_tree 0.2.10 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splay_tree 0.2.10
[INFO] finished tweaking crates.io crate splay_tree 0.2.10
[INFO] tweaked toml for crates.io crate splay_tree 0.2.10 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a403215b8b5bea97f9974dc2fcec8b0831c395fe81e5232efd71183ec0842ac
[INFO] running `Command { std: "docker" "start" "-a" "4a403215b8b5bea97f9974dc2fcec8b0831c395fe81e5232efd71183ec0842ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a403215b8b5bea97f9974dc2fcec8b0831c395fe81e5232efd71183ec0842ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a403215b8b5bea97f9974dc2fcec8b0831c395fe81e5232efd71183ec0842ac", kill_on_drop: false }`
[INFO] [stdout] 4a403215b8b5bea97f9974dc2fcec8b0831c395fe81e5232efd71183ec0842ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f49bd633d600e6e1ddf77e0e95363bb090b89156552c25e72b50d8fd688bd78
[INFO] running `Command { std: "docker" "start" "-a" "1f49bd633d600e6e1ddf77e0e95363bb090b89156552c25e72b50d8fd688bd78", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking splay_tree v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stdout] warning: function is never used: `get_middle_splay`
[INFO] [stdout]   --> benches/bench.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn get_middle_splay(b: &mut test::Bencher, num: u32) {
[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 [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "1f49bd633d600e6e1ddf77e0e95363bb090b89156552c25e72b50d8fd688bd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f49bd633d600e6e1ddf77e0e95363bb090b89156552c25e72b50d8fd688bd78", kill_on_drop: false }`
[INFO] [stdout] 1f49bd633d600e6e1ddf77e0e95363bb090b89156552c25e72b50d8fd688bd78