[INFO] fetching crate apollo-ariadne 0.2.0-alpha.0...
[INFO] checking apollo-ariadne-0.2.0-alpha.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate apollo-ariadne 0.2.0-alpha.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate apollo-ariadne 0.2.0-alpha.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apollo-ariadne 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate apollo-ariadne 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate apollo-ariadne 0.2.0-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate apollo-ariadne 0.2.0-alpha.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor v0.0.11
[INFO] [stderr]   Downloaded concolor-query v0.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ba60e9968833fd9452defd2bd3e39af879581ca2e5ec664db5fcfee63ae266
[INFO] running `Command { std: "docker" "start" "-a" "23ba60e9968833fd9452defd2bd3e39af879581ca2e5ec664db5fcfee63ae266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ba60e9968833fd9452defd2bd3e39af879581ca2e5ec664db5fcfee63ae266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ba60e9968833fd9452defd2bd3e39af879581ca2e5ec664db5fcfee63ae266", kill_on_drop: false }`
[INFO] [stdout] 23ba60e9968833fd9452defd2bd3e39af879581ca2e5ec664db5fcfee63ae266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a519a219a80696293a71ed4701b34831812a1a2b0fb4e5c3fbb71781a8bba69
[INFO] running `Command { std: "docker" "start" "-a" "9a519a219a80696293a71ed4701b34831812a1a2b0fb4e5c3fbb71781a8bba69", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking apollo-ariadne v0.2.0-alpha.0 (/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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "9a519a219a80696293a71ed4701b34831812a1a2b0fb4e5c3fbb71781a8bba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a519a219a80696293a71ed4701b34831812a1a2b0fb4e5c3fbb71781a8bba69", kill_on_drop: false }`
[INFO] [stdout] 9a519a219a80696293a71ed4701b34831812a1a2b0fb4e5c3fbb71781a8bba69