[INFO] fetching crate kernel_density 0.0.1...
[INFO] checking kernel_density-0.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate kernel_density 0.0.1 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate kernel_density 0.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kernel_density 0.0.1
[INFO] finished tweaking crates.io crate kernel_density 0.0.1
[INFO] tweaked toml for crates.io crate kernel_density 0.0.1 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded ordered-float v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588aca3e09ee8d27c9b354adeda2497271a10bd29d5ffd2ddc951082d7d4b1de
[INFO] running `Command { std: "docker" "start" "-a" "588aca3e09ee8d27c9b354adeda2497271a10bd29d5ffd2ddc951082d7d4b1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588aca3e09ee8d27c9b354adeda2497271a10bd29d5ffd2ddc951082d7d4b1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588aca3e09ee8d27c9b354adeda2497271a10bd29d5ffd2ddc951082d7d4b1de", kill_on_drop: false }`
[INFO] [stdout] 588aca3e09ee8d27c9b354adeda2497271a10bd29d5ffd2ddc951082d7d4b1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5afd937ce7a6d56d6054182caf27208a0ac21593cafface93f756449f09f01
[INFO] running `Command { std: "docker" "start" "-a" "ba5afd937ce7a6d56d6054182caf27208a0ac21593cafface93f756449f09f01", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking kernel_density v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/kolmogorov_smirnov.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn shrink(&self) -> Box<Iterator<Item = Samples>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Samples>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/kolmogorov_smirnov.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let shrunk: Box<Iterator<Item = Vec<u64>>> = vec.shrink();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<u64>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn shrink(&self) -> Box<Iterator<Item = Samples>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Samples>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let shrunk: Box<Iterator<Item = Vec<u64>>> = vec.shrink();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<u64>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn shrink(&self) -> Box<Iterator<Item = Percentile>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Percentile>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let shrunk: Box<Iterator<Item = f64>> = self.val.shrink();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn shrink(&self) -> Box<Iterator<Item = Proportion>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Proportion>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/ecdf.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let shrunk: Box<Iterator<Item = f64>> = self.val.shrink();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "ba5afd937ce7a6d56d6054182caf27208a0ac21593cafface93f756449f09f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5afd937ce7a6d56d6054182caf27208a0ac21593cafface93f756449f09f01", kill_on_drop: false }`
[INFO] [stdout] ba5afd937ce7a6d56d6054182caf27208a0ac21593cafface93f756449f09f01
