[INFO] fetching crate nlprule 0.6.4...
[INFO] checking nlprule-0.6.4 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate nlprule 0.6.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nlprule 0.6.4 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nlprule 0.6.4
[INFO] finished tweaking crates.io crate nlprule 0.6.4
[INFO] tweaked toml for crates.io crate nlprule 0.6.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate nlprule 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded rayon-cond v0.1.0
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65d2a9c87931d6c41c3faaf773060abdbd50b5d7084fb7fec4342ed3472e7fa2
[INFO] running `Command { std: "docker" "start" "-a" "65d2a9c87931d6c41c3faaf773060abdbd50b5d7084fb7fec4342ed3472e7fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d2a9c87931d6c41c3faaf773060abdbd50b5d7084fb7fec4342ed3472e7fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d2a9c87931d6c41c3faaf773060abdbd50b5d7084fb7fec4342ed3472e7fa2", kill_on_drop: false }`
[INFO] [stdout] 65d2a9c87931d6c41c3faaf773060abdbd50b5d7084fb7fec4342ed3472e7fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61eec19b12b255aecf48156da2682ebbfa14ceda7072faa53df14619c4787446
[INFO] running `Command { std: "docker" "start" "-a" "61eec19b12b255aecf48156da2682ebbfa14ceda7072faa53df14619c4787446", kill_on_drop: false }`
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[INFO] [stderr]    Compiling derivative v2.2.0
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[INFO] [stderr]    Compiling nlprule v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon-cond v0.1.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: unused imports: `Captures`, `Match`, `Matches`
[INFO] [stdout]   --> src/utils/regex.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use regex_impl::{CaptureMatches, Captures, Match, Matches};
[INFO] [stdout]    |                                      ^^^^^^^^  ^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_par_iter_cond` is never used
[INFO] [stdout]   --> src/utils/parallelism.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub trait MaybeParallelRefIterator<'data, P, S>
[INFO] [stdout]    |           ------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn maybe_par_iter_cond(&'data self, cond: bool) -> CondIterator<P, S>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `maybe_par_iter_mut` and `maybe_par_iter_mut_cond` are never used
[INFO] [stdout]    --> src/utils/parallelism.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub trait MaybeParallelRefMutIterator<'data, P, S>
[INFO] [stdout]     |           --------------------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn maybe_par_iter_mut(&'data mut self) -> CondIterator<P, S>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 122 |     fn maybe_par_iter_mut_cond(&'data mut self, cond: bool) -> CondIterator<P, S>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_par_bridge_cond` is never used
[INFO] [stdout]    --> src/utils/parallelism.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub trait MaybeParallelBridge<T, S>
[INFO] [stdout]     |           ------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn maybe_par_bridge_cond(self, cond: bool) -> CondIterator<IterBridge<S>, S>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Captures`, `Match`, `Matches`
[INFO] [stdout]   --> src/utils/regex.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use regex_impl::{CaptureMatches, Captures, Match, Matches};
[INFO] [stdout]    |                                      ^^^^^^^^  ^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_par_iter_cond` is never used
[INFO] [stdout]   --> src/utils/parallelism.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub trait MaybeParallelRefIterator<'data, P, S>
[INFO] [stdout]    |           ------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 94 |     fn maybe_par_iter_cond(&'data self, cond: bool) -> CondIterator<P, S>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_par_iter_mut_cond` is never used
[INFO] [stdout]    --> src/utils/parallelism.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub trait MaybeParallelRefMutIterator<'data, P, S>
[INFO] [stdout]     |           --------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn maybe_par_iter_mut_cond(&'data mut self, cond: bool) -> CondIterator<P, S>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_par_bridge_cond` is never used
[INFO] [stdout]    --> src/utils/parallelism.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub trait MaybeParallelBridge<T, S>
[INFO] [stdout]     |           ------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn maybe_par_bridge_cond(self, cond: bool) -> CondIterator<IterBridge<S>, S>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "61eec19b12b255aecf48156da2682ebbfa14ceda7072faa53df14619c4787446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61eec19b12b255aecf48156da2682ebbfa14ceda7072faa53df14619c4787446", kill_on_drop: false }`
[INFO] [stdout] 61eec19b12b255aecf48156da2682ebbfa14ceda7072faa53df14619c4787446
