[INFO] cloning repository https://github.com/cloudgen2/english-num
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cloudgen2/english-num" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudgen2%2Fenglish-num", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudgen2%2Fenglish-num'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d85ac892966dae797cb02ea945a0d3d1d08a3a8a
[INFO] checking cloudgen2/english-num against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudgen2%2Fenglish-num" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cloudgen2/english-num 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 git repo https://github.com/cloudgen2/english-num
[INFO] finished tweaking git repo https://github.com/cloudgen2/english-num
[INFO] tweaked toml for git repo https://github.com/cloudgen2/english-num written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cloudgen2/english-num 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 931842c8e69d49f0f0c3621f830d72434380d6378600b37dd2e1c3480be543d0
[INFO] running `Command { std: "docker" "start" "-a" "931842c8e69d49f0f0c3621f830d72434380d6378600b37dd2e1c3480be543d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931842c8e69d49f0f0c3621f830d72434380d6378600b37dd2e1c3480be543d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931842c8e69d49f0f0c3621f830d72434380d6378600b37dd2e1c3480be543d0", kill_on_drop: false }`
[INFO] [stdout] 931842c8e69d49f0f0c3621f830d72434380d6378600b37dd2e1c3480be543d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5150412cf7bf1c44d79575d77b9a66337f3536d4d725d7edcbba8a80031d38e8
[INFO] running `Command { std: "docker" "start" "-a" "5150412cf7bf1c44d79575d77b9a66337f3536d4d725d7edcbba8a80031d38e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking english-num v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Thing` is never constructed
[INFO] [stdout]   --> src/multi_lang/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Thing<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Thing` is never constructed
[INFO] [stdout]   --> src/multi_lang/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Thing<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/multi_lang/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Thing<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 37 |     pub fn new<'a> (sex: Sex, starts_with_vowel: bool, single: &'a str, plural: &'a str) -> Thing <'a>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Male` and `Female` are never constructed
[INFO] [stdout]  --> src/entities/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Sex {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 3 |     Any,
[INFO] [stdout] 4 |     Male,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Female
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sex` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/multi_lang/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Thing<'_> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 37 |     pub fn new<'a> (sex: Sex, starts_with_vowel: bool, single: &'a str, plural: &'a str) -> Thing <'a>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Male` and `Female` are never constructed
[INFO] [stdout]  --> src/entities/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Sex {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 3 |     Any,
[INFO] [stdout] 4 |     Male,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Female
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sex` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "5150412cf7bf1c44d79575d77b9a66337f3536d4d725d7edcbba8a80031d38e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5150412cf7bf1c44d79575d77b9a66337f3536d4d725d7edcbba8a80031d38e8", kill_on_drop: false }`
[INFO] [stdout] 5150412cf7bf1c44d79575d77b9a66337f3536d4d725d7edcbba8a80031d38e8