[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#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArandur%2Ftryst" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arandur/tryst on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a4d928b495872b2c2ca49b51af0de18ecae6b3722ad95ef871ea33d21609cb
[INFO] running `Command { std: "docker" "start" "-a" "25a4d928b495872b2c2ca49b51af0de18ecae6b3722ad95ef871ea33d21609cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a4d928b495872b2c2ca49b51af0de18ecae6b3722ad95ef871ea33d21609cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a4d928b495872b2c2ca49b51af0de18ecae6b3722ad95ef871ea33d21609cb", kill_on_drop: false }`
[INFO] [stdout] 25a4d928b495872b2c2ca49b51af0de18ecae6b3722ad95ef871ea33d21609cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c286905979c8af0b49e2349963202c7b9d95d87f3194e68a343a5658d60a4d
[INFO] running `Command { std: "docker" "start" "-a" "87c286905979c8af0b49e2349963202c7b9d95d87f3194e68a343a5658d60a4d", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking tryst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `lexer` is never used
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chars` is never used
[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: associated function `new` is never used
[INFO] [stdout]   --> src/read/lexer/chars/utf8_char_sink.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Utf8CharSink {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Utf8CharSink {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "87c286905979c8af0b49e2349963202c7b9d95d87f3194e68a343a5658d60a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c286905979c8af0b49e2349963202c7b9d95d87f3194e68a343a5658d60a4d", kill_on_drop: false }`
[INFO] [stdout] 87c286905979c8af0b49e2349963202c7b9d95d87f3194e68a343a5658d60a4d