[INFO] fetching crate pithy 0.1.7...
[INFO] checking pithy-0.1.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pithy 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pithy 0.1.7 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 pithy 0.1.7
[INFO] finished tweaking crates.io crate pithy 0.1.7
[INFO] tweaked toml for crates.io crate pithy 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pithy 0.1.7 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] 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9310825c47ad4f9944652014fbac2357025268c90e9702a668c90774a2fb286
[INFO] running `Command { std: "docker" "start" "-a" "a9310825c47ad4f9944652014fbac2357025268c90e9702a668c90774a2fb286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9310825c47ad4f9944652014fbac2357025268c90e9702a668c90774a2fb286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9310825c47ad4f9944652014fbac2357025268c90e9702a668c90774a2fb286", kill_on_drop: false }`
[INFO] [stdout] a9310825c47ad4f9944652014fbac2357025268c90e9702a668c90774a2fb286
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3d5d5854ea27f65aee29e60ed58c430ad57781f2c445b4e0d10150d43719c58
[INFO] running `Command { std: "docker" "start" "-a" "f3d5d5854ea27f65aee29e60ed58c430ad57781f2c445b4e0d10150d43719c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking pithy v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `length_of_sentences_as_u32`
[INFO] [stdout]    --> src/lib.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |         let length_of_sentences_as_u32 = length_of_sentences as u32;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_length_of_sentences_as_u32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length_of_sentences_as_u32`
[INFO] [stdout]    --> src/lib.rs:399:13
[INFO] [stdout]     |
[INFO] [stdout] 399 |         let length_of_sentences_as_u32 = length_of_sentences as u32;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_length_of_sentences_as_u32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> bin/pithy.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pithy` is imported redundantly
[INFO] [stdout]  --> bin/pithy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pithy;
[INFO] [stdout]   |     ^^^^^ the item `pithy` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> bin/pithy.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pithy` is imported redundantly
[INFO] [stdout]  --> bin/pithy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pithy;
[INFO] [stdout]   |     ^^^^^ the item `pithy` is already defined by prelude
[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 6.14s
[INFO] running `Command { std: "docker" "inspect" "f3d5d5854ea27f65aee29e60ed58c430ad57781f2c445b4e0d10150d43719c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d5d5854ea27f65aee29e60ed58c430ad57781f2c445b4e0d10150d43719c58", kill_on_drop: false }`
[INFO] [stdout] f3d5d5854ea27f65aee29e60ed58c430ad57781f2c445b4e0d10150d43719c58