[INFO] fetching crate smartcore 0.3.2...
[INFO] checking smartcore-0.3.2 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate smartcore 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate smartcore 0.3.2 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smartcore 0.3.2
[INFO] finished tweaking crates.io crate smartcore 0.3.2
[INFO] tweaked toml for crates.io crate smartcore 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 023556d924edb4537d86d155159b7fc669143ee4f86d5df47b59bac2aee2820f
[INFO] running `Command { std: "docker" "start" "-a" "023556d924edb4537d86d155159b7fc669143ee4f86d5df47b59bac2aee2820f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "023556d924edb4537d86d155159b7fc669143ee4f86d5df47b59bac2aee2820f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023556d924edb4537d86d155159b7fc669143ee4f86d5df47b59bac2aee2820f", kill_on_drop: false }`
[INFO] [stdout] 023556d924edb4537d86d155159b7fc669143ee4f86d5df47b59bac2aee2820f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c286f1a070bbcae59857e061da50e425400ccdd0fe1490e6813ac8e7ba1bc9
[INFO] running `Command { std: "docker" "start" "-a" "b1c286f1a070bbcae59857e061da50e425400ccdd0fe1490e6813ac8e7ba1bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking smartcore v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/linalg/basic/matrix.rs:143:72
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn iter_mut<'b>(&'b mut self, axis: u8) -> Box<dyn Iterator<Item = &mut T> + 'b> {
[INFO] [stdout]     |                 -- lifetime `'b` declared here                         ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/linalg/basic/matrix.rs:143:72
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn iter_mut<'b>(&'b mut self, axis: u8) -> Box<dyn Iterator<Item = &mut T> + 'b> {
[INFO] [stdout]     |                 -- lifetime `'b` declared here                         ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `quick_argsort` is never used
[INFO] [stdout]  --> src/algorithm/sort/quick_sort.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait QuickArgSort {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn quick_argsort(&self) -> Vec<usize>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `Command { std: "docker" "inspect" "b1c286f1a070bbcae59857e061da50e425400ccdd0fe1490e6813ac8e7ba1bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c286f1a070bbcae59857e061da50e425400ccdd0fe1490e6813ac8e7ba1bc9", kill_on_drop: false }`
[INFO] [stdout] b1c286f1a070bbcae59857e061da50e425400ccdd0fe1490e6813ac8e7ba1bc9