[INFO] fetching crate fux_kdtree 0.2.0...
[INFO] checking fux_kdtree-0.2.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate fux_kdtree 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fux_kdtree 0.2.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fux_kdtree 0.2.0
[INFO] finished tweaking crates.io crate fux_kdtree 0.2.0
[INFO] tweaked toml for crates.io crate fux_kdtree 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-14/source/src/bench.rs` was erroneously implicitly accepted for benchmark `bench`,
[INFO] [stderr] please set bench.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02d7de1f40b28d0e06317dd99031cc2a2104c847d09eac4d3ee9c22258569069
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02d7de1f40b28d0e06317dd99031cc2a2104c847d09eac4d3ee9c22258569069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d7de1f40b28d0e06317dd99031cc2a2104c847d09eac4d3ee9c22258569069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d7de1f40b28d0e06317dd99031cc2a2104c847d09eac4d3ee9c22258569069", kill_on_drop: false }`
[INFO] [stdout] 02d7de1f40b28d0e06317dd99031cc2a2104c847d09eac4d3ee9c22258569069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a45e16f9a4bb12fca921d6f35b0512077e736f2a2e9b8c2259d2047970dcf424
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a45e16f9a4bb12fca921d6f35b0512077e736f2a2e9b8c2259d2047970dcf424", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/bench.rs` was erroneously implicitly accepted for benchmark `bench`,
[INFO] [stderr] please set bench.path in Cargo.toml
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking fux_kdtree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stdout] warning: field is never read: `current_node_depth`
[INFO] [stdout]   --> src/kdtree/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     current_node_depth: usize,
[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]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.3.2
[INFO] [stdout] warning: field is never read: `current_node_depth`
[INFO] [stdout]   --> src/kdtree/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     current_node_depth: usize,
[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 7.14s
[INFO] running `Command { std: "docker" "inspect" "a45e16f9a4bb12fca921d6f35b0512077e736f2a2e9b8c2259d2047970dcf424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45e16f9a4bb12fca921d6f35b0512077e736f2a2e9b8c2259d2047970dcf424", kill_on_drop: false }`
[INFO] [stdout] a45e16f9a4bb12fca921d6f35b0512077e736f2a2e9b8c2259d2047970dcf424