[INFO] fetching crate kernel_density 0.0.1...
[INFO] checking kernel_density-0.0.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate kernel_density 0.0.1 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate kernel_density 0.0.1 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 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-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] c96a94ddb454be52813ca70be07811f23b2e1b4d74f150c3fa67bcc684b59ea5
[INFO] running `Command { std: "docker" "start" "-a" "c96a94ddb454be52813ca70be07811f23b2e1b4d74f150c3fa67bcc684b59ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96a94ddb454be52813ca70be07811f23b2e1b4d74f150c3fa67bcc684b59ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96a94ddb454be52813ca70be07811f23b2e1b4d74f150c3fa67bcc684b59ea5", kill_on_drop: false }`
[INFO] [stdout] c96a94ddb454be52813ca70be07811f23b2e1b4d74f150c3fa67bcc684b59ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d161f900e1b735f68efee18bc0253f287aad710a57515f7a6b5f28bf8d9db9
[INFO] running `Command { std: "docker" "start" "-a" "48d161f900e1b735f68efee18bc0253f287aad710a57515f7a6b5f28bf8d9db9", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]     Checking kernel_density v0.0.1 (/opt/rustwide/workdir)
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 1.79s
[INFO] running `Command { std: "docker" "inspect" "48d161f900e1b735f68efee18bc0253f287aad710a57515f7a6b5f28bf8d9db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d161f900e1b735f68efee18bc0253f287aad710a57515f7a6b5f28bf8d9db9", kill_on_drop: false }`
[INFO] [stdout] 48d161f900e1b735f68efee18bc0253f287aad710a57515f7a6b5f28bf8d9db9
