[INFO] fetching crate nlprule 0.6.4... [INFO] checking nlprule-0.6.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate nlprule 0.6.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate nlprule 0.6.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde-xml-rs v0.4.1 [INFO] [stderr] Downloaded rayon-cond v0.1.0 [INFO] [stderr] Downloaded bimap v0.6.1 [INFO] [stderr] Downloaded enum_dispatch v0.3.5 [INFO] [stderr] Downloaded fancy-regex v0.5.0 [INFO] [stderr] Downloaded syn v1.0.70 [INFO] [stderr] Downloaded regex v1.4.6 [INFO] [stderr] Downloaded onig_sys v69.6.0 [INFO] [stderr] Downloaded onig v6.1.1 [INFO] [stderr] Downloaded srx v0.1.3 [INFO] [stderr] Downloaded fst v0.4.5 [INFO] [stderr] Downloaded fs-err v2.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1de00f3cd011414f67911517f38bdd547b9b15f5b94241bfdccbbba383ae29ed [INFO] running `Command { std: "docker" "start" "-a" "1de00f3cd011414f67911517f38bdd547b9b15f5b94241bfdccbbba383ae29ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1de00f3cd011414f67911517f38bdd547b9b15f5b94241bfdccbbba383ae29ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1de00f3cd011414f67911517f38bdd547b9b15f5b94241bfdccbbba383ae29ed", kill_on_drop: false }` [INFO] [stdout] 1de00f3cd011414f67911517f38bdd547b9b15f5b94241bfdccbbba383ae29ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17b8471cf7434ed2a45d2054f2cb0d4d231a80e9a25805dccfeb4375e025b83d [INFO] running `Command { std: "docker" "start" "-a" "17b8471cf7434ed2a45d2054f2cb0d4d231a80e9a25805dccfeb4375e025b83d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cast v0.2.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Compiling fs-err v2.5.0 [INFO] [stderr] Compiling fst v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling onig_sys v69.6.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.6 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling enum_dispatch v0.3.5 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking onig v6.1.1 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking serde_regex v1.1.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking bimap v0.6.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking srx v0.1.3 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.3 [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; [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; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 122 | fn maybe_par_iter_mut_cond(&'data mut self, cond: bool) -> CondIterator; [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 [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 148 | fn maybe_par_bridge_cond(self, cond: bool) -> CondIterator, 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; [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; [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 [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 148 | fn maybe_par_bridge_cond(self, cond: bool) -> CondIterator, 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 24.93s [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 2` [INFO] running `Command { std: "docker" "inspect" "17b8471cf7434ed2a45d2054f2cb0d4d231a80e9a25805dccfeb4375e025b83d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b8471cf7434ed2a45d2054f2cb0d4d231a80e9a25805dccfeb4375e025b83d", kill_on_drop: false }` [INFO] [stdout] 17b8471cf7434ed2a45d2054f2cb0d4d231a80e9a25805dccfeb4375e025b83d