[INFO] fetching crate fastsim-proc-macros 0.1.5...
[INFO] checking fastsim-proc-macros-0.1.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fastsim-proc-macros 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fastsim-proc-macros 0.1.5 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0f00c69760a2cf56423fb383ead075eedd56caf7094a819d0139c17c5d443b
[INFO] running `Command { std: "docker" "start" "-a" "ac0f00c69760a2cf56423fb383ead075eedd56caf7094a819d0139c17c5d443b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0f00c69760a2cf56423fb383ead075eedd56caf7094a819d0139c17c5d443b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0f00c69760a2cf56423fb383ead075eedd56caf7094a819d0139c17c5d443b", kill_on_drop: false }`
[INFO] [stdout] ac0f00c69760a2cf56423fb383ead075eedd56caf7094a819d0139c17c5d443b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd673b37cad50cc421e9489b1c01242507e02e3144f621ee9f88d1184aebd85
[INFO] running `Command { std: "docker" "start" "-a" "6fd673b37cad50cc421e9489b1c01242507e02e3144f621ee9f88d1184aebd85", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[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 1.86s
[INFO] running `Command { std: "docker" "inspect" "6fd673b37cad50cc421e9489b1c01242507e02e3144f621ee9f88d1184aebd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd673b37cad50cc421e9489b1c01242507e02e3144f621ee9f88d1184aebd85", kill_on_drop: false }`
[INFO] [stdout] 6fd673b37cad50cc421e9489b1c01242507e02e3144f621ee9f88d1184aebd85
[INFO] checking fastsim-proc-macros-0.1.5 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate fastsim-proc-macros 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate fastsim-proc-macros 0.1.5 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee20a1d30fe180bb9c5737d6bfe9d28183309c1921226d21eec3eec8f57f12c3
[INFO] running `Command { std: "docker" "start" "-a" "ee20a1d30fe180bb9c5737d6bfe9d28183309c1921226d21eec3eec8f57f12c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee20a1d30fe180bb9c5737d6bfe9d28183309c1921226d21eec3eec8f57f12c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee20a1d30fe180bb9c5737d6bfe9d28183309c1921226d21eec3eec8f57f12c3", kill_on_drop: false }`
[INFO] [stdout] ee20a1d30fe180bb9c5737d6bfe9d28183309c1921226d21eec3eec8f57f12c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ecbccb759118c07bf8bb9e9de723effacd1f113f130b35123edeb1463e44238
[INFO] running `Command { std: "docker" "start" "-a" "3ecbccb759118c07bf8bb9e9de723effacd1f113f130b35123edeb1463e44238", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/utilities.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map_err(|_| abort_call_site!(ONLY_FN_MSG))
[INFO] [stdout]    |          ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map_err::<F, _>(|_| abort_call_site!(ONLY_FN_MSG))
[INFO] [stdout]    |                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/utilities.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map_err(|_| abort_call_site!(ONLY_FN_MSG))
[INFO] [stdout]    |          ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map_err::<F, _>(|_| abort_call_site!(ONLY_FN_MSG))
[INFO] [stdout]    |                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastsim-proc-macros` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastsim-proc-macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ecbccb759118c07bf8bb9e9de723effacd1f113f130b35123edeb1463e44238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecbccb759118c07bf8bb9e9de723effacd1f113f130b35123edeb1463e44238", kill_on_drop: false }`
[INFO] [stdout] 3ecbccb759118c07bf8bb9e9de723effacd1f113f130b35123edeb1463e44238