[INFO] fetching crate ptah_derive 0.1.0...
[INFO] checking ptah_derive-0.1.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate ptah_derive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ptah_derive 0.1.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptah_derive 0.1.0
[INFO] finished tweaking crates.io crate ptah_derive 0.1.0
[INFO] tweaked toml for crates.io crate ptah_derive 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55c6876243e0845ae0d0db4603900a1d1624d01c459f9db572ccd8c4f33d9dea
[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" "55c6876243e0845ae0d0db4603900a1d1624d01c459f9db572ccd8c4f33d9dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c6876243e0845ae0d0db4603900a1d1624d01c459f9db572ccd8c4f33d9dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c6876243e0845ae0d0db4603900a1d1624d01c459f9db572ccd8c4f33d9dea", kill_on_drop: false }`
[INFO] [stdout] 55c6876243e0845ae0d0db4603900a1d1624d01c459f9db572ccd8c4f33d9dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6674facec0c99bf6b39af7038de63480a425f75b6f7c1ff319002a3ac4c81022
[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" "6674facec0c99bf6b39af7038de63480a425f75b6f7c1ff319002a3ac4c81022", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking syn v1.0.55
[INFO] [stderr]     Checking ptah_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "6674facec0c99bf6b39af7038de63480a425f75b6f7c1ff319002a3ac4c81022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6674facec0c99bf6b39af7038de63480a425f75b6f7c1ff319002a3ac4c81022", kill_on_drop: false }`
[INFO] [stdout] 6674facec0c99bf6b39af7038de63480a425f75b6f7c1ff319002a3ac4c81022