[INFO] fetching crate aoc_codegen 0.1.0...
[INFO] checking aoc_codegen-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate aoc_codegen 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate aoc_codegen 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aoc_codegen 0.1.0
[INFO] finished tweaking crates.io crate aoc_codegen 0.1.0
[INFO] tweaked toml for crates.io crate aoc_codegen 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16baea73d41dbb5320802709f6e3faf4055edafb80eae88c6c0e2db3486b0e96
[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" "16baea73d41dbb5320802709f6e3faf4055edafb80eae88c6c0e2db3486b0e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16baea73d41dbb5320802709f6e3faf4055edafb80eae88c6c0e2db3486b0e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16baea73d41dbb5320802709f6e3faf4055edafb80eae88c6c0e2db3486b0e96", kill_on_drop: false }`
[INFO] [stdout] 16baea73d41dbb5320802709f6e3faf4055edafb80eae88c6c0e2db3486b0e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649a04ad8b0652bb64f8ba7e73a9b8a82f41b5868a4be035326edf5e3b438cfd
[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" "649a04ad8b0652bb64f8ba7e73a9b8a82f41b5868a4be035326edf5e3b438cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking aoc_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FnArg`
[INFO] [stdout]  --> src/lib.rs:6:71
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse, parse::Parser, punctuated::Punctuated, Expr, ItemFn, FnArg};
[INFO] [stdout]   |                                                                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FnArg`
[INFO] [stdout]  --> src/lib.rs:6:71
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::{parse, parse::Parser, punctuated::Punctuated, Expr, ItemFn, FnArg};
[INFO] [stdout]   |                                                                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "649a04ad8b0652bb64f8ba7e73a9b8a82f41b5868a4be035326edf5e3b438cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649a04ad8b0652bb64f8ba7e73a9b8a82f41b5868a4be035326edf5e3b438cfd", kill_on_drop: false }`
[INFO] [stdout] 649a04ad8b0652bb64f8ba7e73a9b8a82f41b5868a4be035326edf5e3b438cfd