[INFO] cloning repository https://github.com/Arandur/tryst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arandur/tryst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArandur%2Ftryst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArandur%2Ftryst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5aa700d3327ed3f784cdf85f07c74794f69b7cc
[INFO] checking Arandur/tryst against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArandur%2Ftryst" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arandur/tryst on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arandur/tryst
[INFO] finished tweaking git repo https://github.com/Arandur/tryst
[INFO] tweaked toml for git repo https://github.com/Arandur/tryst written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Arandur/tryst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cf05132684bedb72cc201b992f6eb1bda94d2bd05ceb6702f8648bae98dc602
[INFO] running `Command { std: "docker" "start" "-a" "0cf05132684bedb72cc201b992f6eb1bda94d2bd05ceb6702f8648bae98dc602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf05132684bedb72cc201b992f6eb1bda94d2bd05ceb6702f8648bae98dc602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf05132684bedb72cc201b992f6eb1bda94d2bd05ceb6702f8648bae98dc602", kill_on_drop: false }`
[INFO] [stdout] 0cf05132684bedb72cc201b992f6eb1bda94d2bd05ceb6702f8648bae98dc602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc58b52defd970da75492aa48ba679af78e6eb01b7ff5949bdf1ea0178a9c21
[INFO] running `Command { std: "docker" "start" "-a" "2dc58b52defd970da75492aa48ba679af78e6eb01b7ff5949bdf1ea0178a9c21", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking tryst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/read/lexer/chars/utf8_char_sink.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new() -> Utf8CharSink {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chars`
[INFO] [stdout]   --> src/read/lexer/chars/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn chars<R: Read>(r: R) -> Chars<R> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lexer`
[INFO] [stdout]   --> src/read/lexer/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn lexer<R: Read>(source: R) -> Lexer<R> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2dc58b52defd970da75492aa48ba679af78e6eb01b7ff5949bdf1ea0178a9c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc58b52defd970da75492aa48ba679af78e6eb01b7ff5949bdf1ea0178a9c21", kill_on_drop: false }`
[INFO] [stdout] 2dc58b52defd970da75492aa48ba679af78e6eb01b7ff5949bdf1ea0178a9c21