[INFO] fetching crate glitchup_derive 0.4.0...
[INFO] checking glitchup_derive-0.4.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate glitchup_derive 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate glitchup_derive 0.4.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glitchup_derive 0.4.0
[INFO] finished tweaking crates.io crate glitchup_derive 0.4.0
[INFO] tweaked toml for crates.io crate glitchup_derive 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6de64e02911078ac8a77ef6c13408890bf629c283337f1ac4380bdf5f49337cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6de64e02911078ac8a77ef6c13408890bf629c283337f1ac4380bdf5f49337cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de64e02911078ac8a77ef6c13408890bf629c283337f1ac4380bdf5f49337cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de64e02911078ac8a77ef6c13408890bf629c283337f1ac4380bdf5f49337cd", kill_on_drop: false }`
[INFO] [stdout] 6de64e02911078ac8a77ef6c13408890bf629c283337f1ac4380bdf5f49337cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 695100115ce9af1ffb4ec13e8a6dfcf03ac3bb92bc53f44fe6eaf617cc61f3bc
[INFO] running `Command { std: "docker" "start" "-a" "695100115ce9af1ffb4ec13e8a6dfcf03ac3bb92bc53f44fe6eaf617cc61f3bc", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking glitchup_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `extract_generic_types`
[INFO] [stdout]    --> src/lib.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn extract_generic_types(data: &Data) -> Vec<Vec<&syn::PathSegment>> {
[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: function is never used: `extract_generic_types`
[INFO] [stdout]    --> src/lib.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn extract_generic_types(data: &Data) -> Vec<Vec<&syn::PathSegment>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "695100115ce9af1ffb4ec13e8a6dfcf03ac3bb92bc53f44fe6eaf617cc61f3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695100115ce9af1ffb4ec13e8a6dfcf03ac3bb92bc53f44fe6eaf617cc61f3bc", kill_on_drop: false }`
[INFO] [stdout] 695100115ce9af1ffb4ec13e8a6dfcf03ac3bb92bc53f44fe6eaf617cc61f3bc