[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] testing hurou927/rust-kdtree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurou927%2Frust-kdtree" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hurou927/rust-kdtree on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71896d0211140b55d4a938d7df12935cc6ab9fea325465ddb297a3f71c457a37
[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" "71896d0211140b55d4a938d7df12935cc6ab9fea325465ddb297a3f71c457a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71896d0211140b55d4a938d7df12935cc6ab9fea325465ddb297a3f71c457a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71896d0211140b55d4a938d7df12935cc6ab9fea325465ddb297a3f71c457a37", kill_on_drop: false }`
[INFO] [stdout] 71896d0211140b55d4a938d7df12935cc6ab9fea325465ddb297a3f71c457a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc35486cff6057ef4af407ca2001af2c77dff00bd78fb265d13aea08fb596a1f
[INFO] running `Command { std: "docker" "start" "-a" "dc35486cff6057ef4af407ca2001af2c77dff00bd78fb265d13aea08fb596a1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "dc35486cff6057ef4af407ca2001af2c77dff00bd78fb265d13aea08fb596a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc35486cff6057ef4af407ca2001af2c77dff00bd78fb265d13aea08fb596a1f", kill_on_drop: false }`
[INFO] [stdout] dc35486cff6057ef4af407ca2001af2c77dff00bd78fb265d13aea08fb596a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb1504b764967497c53bb03bb4d04f426cfd82dbf78d21981bf5b3640834ee9c
[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" "cb1504b764967497c53bb03bb4d04f426cfd82dbf78d21981bf5b3640834ee9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "cb1504b764967497c53bb03bb4d04f426cfd82dbf78d21981bf5b3640834ee9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1504b764967497c53bb03bb4d04f426cfd82dbf78d21981bf5b3640834ee9c", kill_on_drop: false }`
[INFO] [stdout] cb1504b764967497c53bb03bb4d04f426cfd82dbf78d21981bf5b3640834ee9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbc28d1680ad6e47578542ee4b257e6ee50293e20c12c51f58d3ff03336cc237
[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" "bbc28d1680ad6e47578542ee4b257e6ee50293e20c12c51f58d3ff03336cc237", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable `tagNum` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:214:21
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 214 |                 let tagNum: Option <i64> = match &*(s.variety) {
[INFO] [stdout] 
[INFO] [stderr]     |                     ^^^^^^ help: convert the identifier to snake case: `tag_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `knn` (bin "knn" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knn-6dac61b95a9731d5)
[INFO] running `Command { std: "docker" "inspect" "bbc28d1680ad6e47578542ee4b257e6ee50293e20c12c51f58d3ff03336cc237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc28d1680ad6e47578542ee4b257e6ee50293e20c12c51f58d3ff03336cc237", kill_on_drop: false }`
[INFO] [stdout] bbc28d1680ad6e47578542ee4b257e6ee50293e20c12c51f58d3ff03336cc237