[INFO] fetching crate fastsim-proc-macros 0.1.5...
[INFO] checking fastsim-proc-macros-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fastsim-proc-macros 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fastsim-proc-macros 0.1.5 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastsim-proc-macros 0.1.5
[INFO] finished tweaking crates.io crate fastsim-proc-macros 0.1.5
[INFO] tweaked toml for crates.io crate fastsim-proc-macros 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc5c6aefd9dce77ecca79f7f07195118408c348266dff777cc0b6f105ec25ae
[INFO] running `Command { std: "docker" "start" "-a" "8bc5c6aefd9dce77ecca79f7f07195118408c348266dff777cc0b6f105ec25ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc5c6aefd9dce77ecca79f7f07195118408c348266dff777cc0b6f105ec25ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc5c6aefd9dce77ecca79f7f07195118408c348266dff777cc0b6f105ec25ae", kill_on_drop: false }`
[INFO] [stdout] 8bc5c6aefd9dce77ecca79f7f07195118408c348266dff777cc0b6f105ec25ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc219c64161c7518a509159bf9bdf04e5fbfd80e7c5fdbded1e332d9b2c91c7
[INFO] running `Command { std: "docker" "start" "-a" "fbc219c64161c7518a509159bf9bdf04e5fbfd80e7c5fdbded1e332d9b2c91c7", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking fastsim-proc-macros v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `skip_get`, `skip_set`, and `field_has_orphaned` are never read
[INFO] [stdout]    --> src/add_pyo3_api/pyo3_api_utils.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FieldOptions {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 154 |     /// if true, getters are not generated for a field
[INFO] [stdout] 155 |     pub skip_get: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 156 |     /// if true, setters are not generated for a field
[INFO] [stdout] 157 |     pub skip_set: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 158 |     /// if true, current field is itself a struct with `orphaned` field
[INFO] [stdout] 159 |     pub field_has_orphaned: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `skip_get`, `skip_set`, and `field_has_orphaned` are never read
[INFO] [stdout]    --> src/add_pyo3_api/pyo3_api_utils.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FieldOptions {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 154 |     /// if true, getters are not generated for a field
[INFO] [stdout] 155 |     pub skip_get: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 156 |     /// if true, setters are not generated for a field
[INFO] [stdout] 157 |     pub skip_set: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 158 |     /// if true, current field is itself a struct with `orphaned` field
[INFO] [stdout] 159 |     pub field_has_orphaned: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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` profile [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "fbc219c64161c7518a509159bf9bdf04e5fbfd80e7c5fdbded1e332d9b2c91c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc219c64161c7518a509159bf9bdf04e5fbfd80e7c5fdbded1e332d9b2c91c7", kill_on_drop: false }`
[INFO] [stdout] fbc219c64161c7518a509159bf9bdf04e5fbfd80e7c5fdbded1e332d9b2c91c7
[INFO] checking fastsim-proc-macros-0.1.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate fastsim-proc-macros 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fastsim-proc-macros 0.1.5 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastsim-proc-macros 0.1.5
[INFO] finished tweaking crates.io crate fastsim-proc-macros 0.1.5
[INFO] tweaked toml for crates.io crate fastsim-proc-macros 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35240441a3b025a5285cd584e689c152834c02f5f44dad98dc22490493677a33
[INFO] running `Command { std: "docker" "start" "-a" "35240441a3b025a5285cd584e689c152834c02f5f44dad98dc22490493677a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35240441a3b025a5285cd584e689c152834c02f5f44dad98dc22490493677a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35240441a3b025a5285cd584e689c152834c02f5f44dad98dc22490493677a33", kill_on_drop: false }`
[INFO] [stdout] 35240441a3b025a5285cd584e689c152834c02f5f44dad98dc22490493677a33
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3136c5375f46d9d058bfc584ff37850dd04ab32a5509cd7fd679dc3b6e83a95e
[INFO] running `Command { std: "docker" "start" "-a" "3136c5375f46d9d058bfc584ff37850dd04ab32a5509cd7fd679dc3b6e83a95e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking fastsim-proc-macros v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `skip_get`, `skip_set`, and `field_has_orphaned` are never read
[INFO] [stdout]    --> src/add_pyo3_api/pyo3_api_utils.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FieldOptions {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 154 |     /// if true, getters are not generated for a field
[INFO] [stdout] 155 |     pub skip_get: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 156 |     /// if true, setters are not generated for a field
[INFO] [stdout] 157 |     pub skip_set: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 158 |     /// if true, current field is itself a struct with `orphaned` field
[INFO] [stdout] 159 |     pub field_has_orphaned: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `skip_get`, `skip_set`, and `field_has_orphaned` are never read
[INFO] [stdout]    --> src/add_pyo3_api/pyo3_api_utils.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct FieldOptions {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 154 |     /// if true, getters are not generated for a field
[INFO] [stdout] 155 |     pub skip_get: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 156 |     /// if true, setters are not generated for a field
[INFO] [stdout] 157 |     pub skip_set: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 158 |     /// if true, current field is itself a struct with `orphaned` field
[INFO] [stdout] 159 |     pub field_has_orphaned: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "3136c5375f46d9d058bfc584ff37850dd04ab32a5509cd7fd679dc3b6e83a95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3136c5375f46d9d058bfc584ff37850dd04ab32a5509cd7fd679dc3b6e83a95e", kill_on_drop: false }`
[INFO] [stdout] 3136c5375f46d9d058bfc584ff37850dd04ab32a5509cd7fd679dc3b6e83a95e