[INFO] fetching crate stepflow-serde 0.0.5...
[INFO] checking stepflow-serde-0.0.5 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate stepflow-serde 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stepflow-serde 0.0.5 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepflow-serde 0.0.5
[INFO] finished tweaking crates.io crate stepflow-serde 0.0.5
[INFO] tweaked toml for crates.io crate stepflow-serde 0.0.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stepflow-data v0.0.4
[INFO] [stderr]   Downloaded stepflow-action v0.0.5
[INFO] [stderr]   Downloaded stepflow-base v0.0.4
[INFO] [stderr]   Downloaded stepflow-session v0.0.5
[INFO] [stderr]   Downloaded stepflow-step v0.0.4
[INFO] [stderr]   Downloaded stepflow v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1b060f9f105e0af600d567302ff7a83cfd9882175ed894a631c1590c10a87a
[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" "7c1b060f9f105e0af600d567302ff7a83cfd9882175ed894a631c1590c10a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1b060f9f105e0af600d567302ff7a83cfd9882175ed894a631c1590c10a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1b060f9f105e0af600d567302ff7a83cfd9882175ed894a631c1590c10a87a", kill_on_drop: false }`
[INFO] [stdout] 7c1b060f9f105e0af600d567302ff7a83cfd9882175ed894a631c1590c10a87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f880a40debce768eb0a3069d271cc16e02c583f530b2a09fedb0ab413ef6726
[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" "1f880a40debce768eb0a3069d271cc16e02c583f530b2a09fedb0ab413ef6726", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking stepflow-base v0.0.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking stepflow-data v0.0.4
[INFO] [stderr]     Checking stepflow-step v0.0.4
[INFO] [stderr]     Checking stepflow-action v0.0.5
[INFO] [stderr]     Checking stepflow-session v0.0.5
[INFO] [stderr]     Checking stepflow v0.0.6
[INFO] [stderr]     Checking stepflow-serde v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `stepflow_test_util`
[INFO] [stdout]   --> src/var.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use stepflow_test_util::test_id;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `stepflow_test_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `stepflow_test_util`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use stepflow_test_util::test_id;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `stepflow_test_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `test_id`
[INFO] [stdout]   --> src/var.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let var = var_serde.to_var(test_id!(VarId));
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `test_id`
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let session = session_serde.into_session(test_id!(SessionId), allow_implicit_var)?;
[INFO] [stdout]     |                                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VarId`
[INFO] [stdout]   --> src/var.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::{VarSerde, BoolVar, VarId};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionId`
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use stepflow::{Session, SessionId, AdvanceBlockedOn};
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepflow-serde`
[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" "1f880a40debce768eb0a3069d271cc16e02c583f530b2a09fedb0ab413ef6726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f880a40debce768eb0a3069d271cc16e02c583f530b2a09fedb0ab413ef6726", kill_on_drop: false }`
[INFO] [stdout] 1f880a40debce768eb0a3069d271cc16e02c583f530b2a09fedb0ab413ef6726