[INFO] cloning repository https://github.com/Nfinger/find-tldr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nfinger/find-tldr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNfinger%2Ffind-tldr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNfinger%2Ffind-tldr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85412b701c6605297079a48a2d2a6ba2a23987d6
[INFO] checking Nfinger/find-tldr against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNfinger%2Ffind-tldr" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nfinger/find-tldr 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/Nfinger/find-tldr
[INFO] finished tweaking git repo https://github.com/Nfinger/find-tldr
[INFO] tweaked toml for git repo https://github.com/Nfinger/find-tldr written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nfinger/find-tldr 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]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.15
[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] 20017c0d0907c793bdfed86c9b7d6bfb2dd68a5ee64778180f44c07ed9813e64
[INFO] running `Command { std: "docker" "start" "-a" "20017c0d0907c793bdfed86c9b7d6bfb2dd68a5ee64778180f44c07ed9813e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20017c0d0907c793bdfed86c9b7d6bfb2dd68a5ee64778180f44c07ed9813e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20017c0d0907c793bdfed86c9b7d6bfb2dd68a5ee64778180f44c07ed9813e64", kill_on_drop: false }`
[INFO] [stdout] 20017c0d0907c793bdfed86c9b7d6bfb2dd68a5ee64778180f44c07ed9813e64
[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] 52b99f39bd02b6f474708c4085c10ded4a2a2b07b225a071c1a04a93d7072079
[INFO] running `Command { std: "docker" "start" "-a" "52b99f39bd02b6f474708c4085c10ded4a2a2b07b225a071c1a04a93d7072079", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking find-tldr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout] 4 + pub fn get_tldr_text(text: String) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout] 4 + pub fn get_tldr_text(text: String) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "52b99f39bd02b6f474708c4085c10ded4a2a2b07b225a071c1a04a93d7072079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b99f39bd02b6f474708c4085c10ded4a2a2b07b225a071c1a04a93d7072079", kill_on_drop: false }`
[INFO] [stdout] 52b99f39bd02b6f474708c4085c10ded4a2a2b07b225a071c1a04a93d7072079
[INFO] checking Nfinger/find-tldr against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNfinger%2Ffind-tldr" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nfinger/find-tldr on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nfinger/find-tldr
[INFO] finished tweaking git repo https://github.com/Nfinger/find-tldr
[INFO] tweaked toml for git repo https://github.com/Nfinger/find-tldr written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nfinger/find-tldr 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6d9398677cf7e399b0928d742a9dc904959f97719f3089d20a6d327161a8c1
[INFO] running `Command { std: "docker" "start" "-a" "3b6d9398677cf7e399b0928d742a9dc904959f97719f3089d20a6d327161a8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6d9398677cf7e399b0928d742a9dc904959f97719f3089d20a6d327161a8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6d9398677cf7e399b0928d742a9dc904959f97719f3089d20a6d327161a8c1", kill_on_drop: false }`
[INFO] [stdout] 3b6d9398677cf7e399b0928d742a9dc904959f97719f3089d20a6d327161a8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e42d43336f01849ac5253670afd59e59694a120df4caf0acd60e340d7979ba
[INFO] running `Command { std: "docker" "start" "-a" "46e42d43336f01849ac5253670afd59e59694a120df4caf0acd60e340d7979ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking find-tldr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout] 4 + pub fn get_tldr_text(text: String) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/lib.rs:4:46
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout]   |                                              ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_tldr_text(text: String) -> Result<(String), Box<dyn Error>> {
[INFO] [stdout] 4 + pub fn get_tldr_text(text: String) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "46e42d43336f01849ac5253670afd59e59694a120df4caf0acd60e340d7979ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e42d43336f01849ac5253670afd59e59694a120df4caf0acd60e340d7979ba", kill_on_drop: false }`
[INFO] [stdout] 46e42d43336f01849ac5253670afd59e59694a120df4caf0acd60e340d7979ba