[INFO] fetching crate zerogc-derive 0.2.0-alpha.2...
[INFO] checking zerogc-derive-0.2.0-alpha.2 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate zerogc-derive 0.2.0-alpha.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zerogc-derive 0.2.0-alpha.2 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-derive 0.2.0-alpha.2
[INFO] finished tweaking crates.io crate zerogc-derive 0.2.0-alpha.2
[INFO] tweaked toml for crates.io crate zerogc-derive 0.2.0-alpha.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerogc-derive v0.2.0-alpha.3
[INFO] [stderr]   Downloaded zerogc v0.2.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1667c0ce1b5e454d15f4fb733b0a7845922d589556d3dd579a0d3c5b8ebea00
[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" "c1667c0ce1b5e454d15f4fb733b0a7845922d589556d3dd579a0d3c5b8ebea00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1667c0ce1b5e454d15f4fb733b0a7845922d589556d3dd579a0d3c5b8ebea00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1667c0ce1b5e454d15f4fb733b0a7845922d589556d3dd579a0d3c5b8ebea00", kill_on_drop: false }`
[INFO] [stdout] c1667c0ce1b5e454d15f4fb733b0a7845922d589556d3dd579a0d3c5b8ebea00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac5b1ceae9b950f65abaf60851cc269a644f946e611fcadec034c0c2cba1e4b
[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" "8ac5b1ceae9b950f65abaf60851cc269a644f946e611fcadec034c0c2cba1e4b", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking zerogc-derive v0.2.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.3
[INFO] [stderr]     Checking zerogc v0.2.0-alpha.3
[INFO] [stdout] error[E0432]: unresolved import `zerogc::Gc`
[INFO] [stdout]  --> tests/basic.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zerogc::{Gc, CollectorId, Trace, GcSafe, NullTrace, dummy_impl::{self, DummyCollectorId}};
[INFO] [stdout]   |              ^^ no `Gc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'gc` is never used
[INFO] [stdout]   --> tests/basic.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Basic<'gc, Id: CollectorId> {
[INFO] [stdout]    |                  ^^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'gc`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `Id` is never used
[INFO] [stdout]   --> tests/basic.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Basic<'gc, Id: CollectorId> {
[INFO] [stdout]    |                       ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `Id`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `Id` to be a const parameter, use `const Id: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `'gc` is never used
[INFO] [stdout]   --> tests/basic.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicCopy<'gc, Id: CollectorId> {
[INFO] [stdout]    |                      ^^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'gc`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `Id` is never used
[INFO] [stdout]   --> tests/basic.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicCopy<'gc, Id: CollectorId> {
[INFO] [stdout]    |                           ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `Id`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `Id` to be a const parameter, use `const Id: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerogc-derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ac5b1ceae9b950f65abaf60851cc269a644f946e611fcadec034c0c2cba1e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac5b1ceae9b950f65abaf60851cc269a644f946e611fcadec034c0c2cba1e4b", kill_on_drop: false }`
[INFO] [stdout] 8ac5b1ceae9b950f65abaf60851cc269a644f946e611fcadec034c0c2cba1e4b