[INFO] fetching crate sierra-proc 0.6.0...
[INFO] testing sierra-proc-0.6.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sierra-proc 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sierra-proc 0.6.0
[INFO] finished tweaking crates.io crate sierra-proc 0.6.0
[INFO] tweaked toml for crates.io crate sierra-proc 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sierra-proc 0.6.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-easy v0.2.3 (available: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971ed0d054551d136b6e6018d5e0f44a770355516d6e86e7f7078e59f847dc5c
[INFO] running `Command { std: "docker" "start" "-a" "971ed0d054551d136b6e6018d5e0f44a770355516d6e86e7f7078e59f847dc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971ed0d054551d136b6e6018d5e0f44a770355516d6e86e7f7078e59f847dc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971ed0d054551d136b6e6018d5e0f44a770355516d6e86e7f7078e59f847dc5c", kill_on_drop: false }`
[INFO] [stdout] 971ed0d054551d136b6e6018d5e0f44a770355516d6e86e7f7078e59f847dc5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0337f3d8eb23033161cec168e5f36af7df951c0e95231c21b78d84a2edb20f80
[INFO] running `Command { std: "docker" "start" "-a" "0337f3d8eb23033161cec168e5f36af7df951c0e95231c21b78d84a2edb20f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-easy v0.2.3
[INFO] [stderr]    Compiling sierra-proc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "0337f3d8eb23033161cec168e5f36af7df951c0e95231c21b78d84a2edb20f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0337f3d8eb23033161cec168e5f36af7df951c0e95231c21b78d84a2edb20f80", kill_on_drop: false }`
[INFO] [stdout] 0337f3d8eb23033161cec168e5f36af7df951c0e95231c21b78d84a2edb20f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 234c7952e8d89ee01db61ad41c19e5749d4cd85246cf2fa69d19c6bc5e4db23a
[INFO] running `Command { std: "docker" "start" "-a" "234c7952e8d89ee01db61ad41c19e5749d4cd85246cf2fa69d19c6bc5e4db23a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sierra-proc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/pass/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     pub member: syn::Member,
[INFO] [stdout] 18 |     pub ty: syn::Type,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "234c7952e8d89ee01db61ad41c19e5749d4cd85246cf2fa69d19c6bc5e4db23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234c7952e8d89ee01db61ad41c19e5749d4cd85246cf2fa69d19c6bc5e4db23a", kill_on_drop: false }`
[INFO] [stdout] 234c7952e8d89ee01db61ad41c19e5749d4cd85246cf2fa69d19c6bc5e4db23a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ab8d50b4d6a08702c8c90ef73857d3688c31eb2c8a50105f093e1772d2c9aa8
[INFO] running `Command { std: "docker" "start" "-a" "3ab8d50b4d6a08702c8c90ef73857d3688c31eb2c8a50105f093e1772d2c9aa8", kill_on_drop: false }`
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]   --> src/pass/parse.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Attachment {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 17 |     pub member: syn::Member,
[INFO] [stderr] 18 |     pub ty: syn::Type,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sierra-proc` (lib) generated 1 warning
[INFO] [stderr] warning: `sierra-proc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sierra_proc-177ceefb1076a9b6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sierra_proc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ab8d50b4d6a08702c8c90ef73857d3688c31eb2c8a50105f093e1772d2c9aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab8d50b4d6a08702c8c90ef73857d3688c31eb2c8a50105f093e1772d2c9aa8", kill_on_drop: false }`
[INFO] [stdout] 3ab8d50b4d6a08702c8c90ef73857d3688c31eb2c8a50105f093e1772d2c9aa8
