[INFO] fetching crate ariadne 0.4.1...
[INFO] checking ariadne-0.4.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate ariadne 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ariadne 0.4.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ariadne 0.4.1
[INFO] finished tweaking crates.io crate ariadne 0.4.1
[INFO] tweaked toml for crates.io crate ariadne 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ariadne 0.4.1 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded similar v2.5.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded insta v1.38.0
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca371badb9d4ee78cdad2b9cd6d851f42e6bdc6dcd36fbba824cb0f923c1bcd3
[INFO] running `Command { std: "docker" "start" "-a" "ca371badb9d4ee78cdad2b9cd6d851f42e6bdc6dcd36fbba824cb0f923c1bcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca371badb9d4ee78cdad2b9cd6d851f42e6bdc6dcd36fbba824cb0f923c1bcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca371badb9d4ee78cdad2b9cd6d851f42e6bdc6dcd36fbba824cb0f923c1bcd3", kill_on_drop: false }`
[INFO] [stdout] ca371badb9d4ee78cdad2b9cd6d851f42e6bdc6dcd36fbba824cb0f923c1bcd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3f921c774eff799532b4f574bc4711d3b3388ffb62a5dbb15fb352716bb4b8
[INFO] running `Command { std: "docker" "start" "-a" "0c3f921c774eff799532b4f574bc4711d3b3388ffb62a5dbb15fb352716bb4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking ariadne v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stdout]   --> src/draw.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Characters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     pub vbar_break: char,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub mtop: char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub rcross: char,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking insta v1.38.0
[INFO] [stdout] warning: fields `vbar_break`, `mtop`, and `rcross` are never read
[INFO] [stdout]   --> src/draw.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Characters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8  |     pub vbar_break: char,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub mtop: char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub rcross: char,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "0c3f921c774eff799532b4f574bc4711d3b3388ffb62a5dbb15fb352716bb4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3f921c774eff799532b4f574bc4711d3b3388ffb62a5dbb15fb352716bb4b8", kill_on_drop: false }`
[INFO] [stdout] 0c3f921c774eff799532b4f574bc4711d3b3388ffb62a5dbb15fb352716bb4b8