[INFO] fetching crate pqgrams 0.9.2...
[INFO] checking pqgrams-0.9.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate pqgrams 0.9.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pqgrams 0.9.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pqgrams 0.9.2
[INFO] finished tweaking crates.io crate pqgrams 0.9.2
[INFO] tweaked toml for crates.io crate pqgrams 0.9.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9746c411686e99951f0c5ea305cce0068c50c53be883400f4d6918c9c50203e9
[INFO] running `Command { std: "docker" "start" "-a" "9746c411686e99951f0c5ea305cce0068c50c53be883400f4d6918c9c50203e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9746c411686e99951f0c5ea305cce0068c50c53be883400f4d6918c9c50203e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9746c411686e99951f0c5ea305cce0068c50c53be883400f4d6918c9c50203e9", kill_on_drop: false }`
[INFO] [stdout] 9746c411686e99951f0c5ea305cce0068c50c53be883400f4d6918c9c50203e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cc639f4a30df50304238330b1117e0f9e95d49cf058d1b072f6d3c8df52d38a
[INFO] running `Command { std: "docker" "start" "-a" "5cc639f4a30df50304238330b1117e0f9e95d49cf058d1b072f6d3c8df52d38a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking pqgrams v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pqgrams.rs:104:141
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...value: Option<L>, distance_function: Box<Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn pqgram_profile_intersection<L, T>(left: &Vec<PQGram<L>>, right: &Vec<PQGram<L>>, alt_filler_value: Option<L>, distance_function: Box<dyn Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pqgrams.rs:157:146
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...value: Option<L>, distance_function: Box<Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn pqgram_distance_with_fn<L: 'static, T>(left: &Vec<PQGram<L>>, right: &Vec<PQGram<L>>, alt_filler_value: Option<L>, distance_function: Box<dyn Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                                                                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pqgrams.rs:104:141
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...value: Option<L>, distance_function: Box<Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn pqgram_profile_intersection<L, T>(left: &Vec<PQGram<L>>, right: &Vec<PQGram<L>>, alt_filler_value: Option<L>, distance_function: Box<dyn Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                                                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pqgrams.rs:157:146
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...value: Option<L>, distance_function: Box<Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn pqgram_distance_with_fn<L: 'static, T>(left: &Vec<PQGram<L>>, right: &Vec<PQGram<L>>, alt_filler_value: Option<L>, distance_function: Box<dyn Fn(&PQGram<L>, &PQGram<L>, L)->(f64, cmp::Ordering)>) -> f64
[INFO] [stdout]     |                                                                                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "5cc639f4a30df50304238330b1117e0f9e95d49cf058d1b072f6d3c8df52d38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc639f4a30df50304238330b1117e0f9e95d49cf058d1b072f6d3c8df52d38a", kill_on_drop: false }`
[INFO] [stdout] 5cc639f4a30df50304238330b1117e0f9e95d49cf058d1b072f6d3c8df52d38a