[INFO] fetching crate sully_peg 0.1.11...
[INFO] checking sully_peg-0.1.11 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate sully_peg 0.1.11 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sully_peg 0.1.11 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 crates.io crate sully_peg 0.1.11
[INFO] finished tweaking crates.io crate sully_peg 0.1.11
[INFO] tweaked toml for crates.io crate sully_peg 0.1.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sully_graph v0.1.0
[INFO] [stderr]   Downloaded sully_input v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 68cf44b9a13de4256cda7373ea384943c4bd885aa752e833368fad26e8af06d7
[INFO] running `Command { std: "docker" "start" "-a" "68cf44b9a13de4256cda7373ea384943c4bd885aa752e833368fad26e8af06d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68cf44b9a13de4256cda7373ea384943c4bd885aa752e833368fad26e8af06d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cf44b9a13de4256cda7373ea384943c4bd885aa752e833368fad26e8af06d7", kill_on_drop: false }`
[INFO] [stdout] 68cf44b9a13de4256cda7373ea384943c4bd885aa752e833368fad26e8af06d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6861757c9c5486fc31daa48340c8a6fb4db7bb7e0f390d04d29e925fb6e29842
[INFO] running `Command { std: "docker" "start" "-a" "6861757c9c5486fc31daa48340c8a6fb4db7bb7e0f390d04d29e925fb6e29842", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sully_graph v0.1.0
[INFO] [stderr]     Checking sully_input v0.1.13
[INFO] [stderr]     Checking sully_peg v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RefEq` is never constructed
[INFO] [stdout]    --> src/lib.rs:812:8
[INFO] [stdout]     |
[INFO] [stdout] 812 | struct RefEq<'a, T>(&'a T);
[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: struct `RefEq` is never constructed
[INFO] [stdout]    --> src/lib.rs:812:8
[INFO] [stdout]     |
[INFO] [stdout] 812 | struct RefEq<'a, T>(&'a T);
[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: struct `RefEq` is never constructed
[INFO] [stdout]    --> src/lib.rs:812:8
[INFO] [stdout]     |
[INFO] [stdout] 812 | struct RefEq<'a, T>(&'a T);
[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 3.33s
[INFO] running `Command { std: "docker" "inspect" "6861757c9c5486fc31daa48340c8a6fb4db7bb7e0f390d04d29e925fb6e29842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6861757c9c5486fc31daa48340c8a6fb4db7bb7e0f390d04d29e925fb6e29842", kill_on_drop: false }`
[INFO] [stdout] 6861757c9c5486fc31daa48340c8a6fb4db7bb7e0f390d04d29e925fb6e29842