[INFO] fetching crate slow_nn 0.1.22...
[INFO] checking slow_nn-0.1.22 against try#4c35efa5bf9c956a3bd39021cc9699d125584977 for pr-104746-1
[INFO] extracting crate slow_nn 0.1.22 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slow_nn 0.1.22 on toolchain 4c35efa5bf9c956a3bd39021cc9699d125584977
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slow_nn 0.1.22
[INFO] finished tweaking crates.io crate slow_nn 0.1.22
[INFO] tweaked toml for crates.io crate slow_nn 0.1.22 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dca9df08334fa847792a85a2c6e9145694d22331655b834ae6cf7010372996e
[INFO] running `Command { std: "docker" "start" "-a" "0dca9df08334fa847792a85a2c6e9145694d22331655b834ae6cf7010372996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dca9df08334fa847792a85a2c6e9145694d22331655b834ae6cf7010372996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dca9df08334fa847792a85a2c6e9145694d22331655b834ae6cf7010372996e", kill_on_drop: false }`
[INFO] [stdout] 0dca9df08334fa847792a85a2c6e9145694d22331655b834ae6cf7010372996e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47fdfa37585fcb2434b8cd5281bf52b1b14b496e0f86198066adb9863606b317
[INFO] running `Command { std: "docker" "start" "-a" "47fdfa37585fcb2434b8cd5281bf52b1b14b496e0f86198066adb9863606b317", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking slow_nn v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[test]
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(duplicate_macro_attributes)]` 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 17.36s
[INFO] running `Command { std: "docker" "inspect" "47fdfa37585fcb2434b8cd5281bf52b1b14b496e0f86198066adb9863606b317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fdfa37585fcb2434b8cd5281bf52b1b14b496e0f86198066adb9863606b317", kill_on_drop: false }`
[INFO] [stdout] 47fdfa37585fcb2434b8cd5281bf52b1b14b496e0f86198066adb9863606b317