[INFO] fetching crate clustering 0.2.1...
[INFO] testing clustering-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate clustering 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate clustering 0.2.1
[INFO] finished tweaking crates.io crate clustering 0.2.1
[INFO] tweaked toml for crates.io crate clustering 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clustering 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c1dfb0c603af28adec8527f5c58a426e689e13cd628c690754549a634bbe1b
[INFO] running `Command { std: "docker" "start" "-a" "36c1dfb0c603af28adec8527f5c58a426e689e13cd628c690754549a634bbe1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c1dfb0c603af28adec8527f5c58a426e689e13cd628c690754549a634bbe1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c1dfb0c603af28adec8527f5c58a426e689e13cd628c690754549a634bbe1b", kill_on_drop: false }`
[INFO] [stdout] 36c1dfb0c603af28adec8527f5c58a426e689e13cd628c690754549a634bbe1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc74823f30ec0187fd567d547c4edd0ad993721fae3b598e8f224be4a4e63ed
[INFO] running `Command { std: "docker" "start" "-a" "5fc74823f30ec0187fd567d547c4edd0ad993721fae3b598e8f224be4a4e63ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling clustering v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:41
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<T> {
[INFO] [stdout]     |                                         ^^^^                  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<'_, T> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5fc74823f30ec0187fd567d547c4edd0ad993721fae3b598e8f224be4a4e63ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc74823f30ec0187fd567d547c4edd0ad993721fae3b598e8f224be4a4e63ed", kill_on_drop: false }`
[INFO] [stdout] 5fc74823f30ec0187fd567d547c4edd0ad993721fae3b598e8f224be4a4e63ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94afd616ce4222a5140709cebb6643355fb01f5ce8b81e26ddaa2f87b45e4302
[INFO] running `Command { std: "docker" "start" "-a" "94afd616ce4222a5140709cebb6643355fb01f5ce8b81e26ddaa2f87b45e4302", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:41
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<T> {
[INFO] [stdout]     |                                         ^^^^                  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<'_, T> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clustering v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:41
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<T> {
[INFO] [stdout]     |                                         ^^^^                  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<'_, T> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "94afd616ce4222a5140709cebb6643355fb01f5ce8b81e26ddaa2f87b45e4302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94afd616ce4222a5140709cebb6643355fb01f5ce8b81e26ddaa2f87b45e4302", kill_on_drop: false }`
[INFO] [stdout] 94afd616ce4222a5140709cebb6643355fb01f5ce8b81e26ddaa2f87b45e4302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22fc17f64cc3eeff4a5c9149bc17d3223b7a480930e8b387fa79ebfed8519f0d
[INFO] running `Command { std: "docker" "start" "-a" "22fc17f64cc3eeff4a5c9149bc17d3223b7a480930e8b387fa79ebfed8519f0d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:173:41
[INFO] [stderr]     |
[INFO] [stderr] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<T> {
[INFO] [stderr]     |                                         ^^^^                  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 173 | pub fn kmeans<T: Elem>(k: usize, elems: &[T], iter: usize) -> Clustering<'_, T> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `clustering` (lib) generated 1 warning (run `cargo fix --lib -p clustering` to apply 1 suggestion)
[INFO] [stderr] warning: `clustering` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/clustering-b74e61a2b7f664c7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_impl ... ok
[INFO] [stdout] test test::example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clustering
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 121.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22fc17f64cc3eeff4a5c9149bc17d3223b7a480930e8b387fa79ebfed8519f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fc17f64cc3eeff4a5c9149bc17d3223b7a480930e8b387fa79ebfed8519f0d", kill_on_drop: false }`
[INFO] [stdout] 22fc17f64cc3eeff4a5c9149bc17d3223b7a480930e8b387fa79ebfed8519f0d
