[INFO] cloning repository https://github.com/hurou927/rust-kdtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hurou927/rust-kdtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurou927%2Frust-kdtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurou927%2Frust-kdtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2ffa876841a97eb57a9bd78f66dc573218d559c
[INFO] checking hurou927/rust-kdtree against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurou927%2Frust-kdtree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hurou927/rust-kdtree on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hurou927/rust-kdtree
[INFO] finished tweaking git repo https://github.com/hurou927/rust-kdtree
[INFO] tweaked toml for git repo https://github.com/hurou927/rust-kdtree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hurou927/rust-kdtree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f0c8d237b777f0b460a5331400d840f9612eb3fdebc2b39c09c4a8d2c8b95e
[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" "71f0c8d237b777f0b460a5331400d840f9612eb3fdebc2b39c09c4a8d2c8b95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f0c8d237b777f0b460a5331400d840f9612eb3fdebc2b39c09c4a8d2c8b95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f0c8d237b777f0b460a5331400d840f9612eb3fdebc2b39c09c4a8d2c8b95e", kill_on_drop: false }`
[INFO] [stdout] 71f0c8d237b777f0b460a5331400d840f9612eb3fdebc2b39c09c4a8d2c8b95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c115f73997d077a8f6db65bba0da359a0866d8fe4d631d9e54188ea0ab3ddcdd
[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" "c115f73997d077a8f6db65bba0da359a0866d8fe4d631d9e54188ea0ab3ddcdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking knn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `tagNum` should have a snake case name
[INFO] [stdout]    --> src/main.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let tagNum: Option <i64> = match &*(s.variety) {
[INFO] [stdout]     |                     ^^^^^^ help: convert the identifier to snake case: `tag_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tagNum` should have a snake case name
[INFO] [stdout]    --> src/main.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let tagNum: Option <i64> = match &*(s.variety) {
[INFO] [stdout]     |                     ^^^^^^ help: convert the identifier to snake case: `tag_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.63s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c115f73997d077a8f6db65bba0da359a0866d8fe4d631d9e54188ea0ab3ddcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c115f73997d077a8f6db65bba0da359a0866d8fe4d631d9e54188ea0ab3ddcdd", kill_on_drop: false }`
[INFO] [stdout] c115f73997d077a8f6db65bba0da359a0866d8fe4d631d9e54188ea0ab3ddcdd