[INFO] fetching crate verba 0.5.1...
[INFO] checking verba-0.5.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate verba 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate verba 0.5.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verba 0.5.1
[INFO] finished tweaking crates.io crate verba 0.5.1
[INFO] tweaked toml for crates.io crate verba 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 706992f63f175d7e0832255152cc90d0e942cf804c4173ead25797e1cf1d9999
[INFO] running `Command { std: "docker" "start" "-a" "706992f63f175d7e0832255152cc90d0e942cf804c4173ead25797e1cf1d9999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706992f63f175d7e0832255152cc90d0e942cf804c4173ead25797e1cf1d9999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706992f63f175d7e0832255152cc90d0e942cf804c4173ead25797e1cf1d9999", kill_on_drop: false }`
[INFO] [stdout] 706992f63f175d7e0832255152cc90d0e942cf804c4173ead25797e1cf1d9999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769114f3c915057a7b2a963166bf461b49cb7efc4289ac5d7a7e71aca1eaeb64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "769114f3c915057a7b2a963166bf461b49cb7efc4289ac5d7a7e71aca1eaeb64", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking verba v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Case`, `Number`
[INFO] [stdout]    --> src/noun/regular.rs:279:36
[INFO] [stdout]     |
[INFO] [stdout] 279 |     use crate::noun::{Noun, Group, Number, Gender, Case};
[INFO] [stdout]     |                                    ^^^^^^          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/adjective/regular.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::adjective as A`
[INFO] [stdout]    --> src/adjective/regular.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use crate::adjective as A;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Adjective`, `Case`, `Gender`, `Group`, `Number`
[INFO] [stdout]    --> src/adjective/regular.rs:271:28
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use crate::adjective::{Adjective, Group, Number, Gender, Case};
[INFO] [stdout]     |                            ^^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_nfc`
[INFO] [stdout]    --> src/adjective/regular.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use unicode_normalization::{is_nfc};
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_nfc`
[INFO] [stdout]    --> src/adjective.rs:155:33
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use unicode_normalization::{is_nfc};
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/verb/endings.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         _ => None,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/verb/endings.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         _ => None,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Adjective`
[INFO] [stdout]  --> tests/verb_test.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use verba::adjective::{Adjective};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/regular_verb.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{Criterion, black_box};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `verba::adjective as A`
[INFO] [stdout]  --> benches/regular_verb.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use verba::adjective as A;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.38s
[INFO] running `Command { std: "docker" "inspect" "769114f3c915057a7b2a963166bf461b49cb7efc4289ac5d7a7e71aca1eaeb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769114f3c915057a7b2a963166bf461b49cb7efc4289ac5d7a7e71aca1eaeb64", kill_on_drop: false }`
[INFO] [stdout] 769114f3c915057a7b2a963166bf461b49cb7efc4289ac5d7a7e71aca1eaeb64