[INFO] fetching crate pyo3_special_method_derive_0_21 0.4.2...
[INFO] checking pyo3_special_method_derive_0_21-0.4.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pyo3_special_method_derive_0_21 0.4.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pyo3_special_method_derive_0_21 0.4.2
[INFO] finished tweaking crates.io crate pyo3_special_method_derive_0_21 0.4.2
[INFO] tweaked toml for crates.io crate pyo3_special_method_derive_0_21 0.4.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyo3_special_method_derive_0_21 0.4.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pyo3_special_method_derive_0_21 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c29f5d1ec69be330a680a63ed1dbf59b3615f7725d822671f8550d595727c1cc
[INFO] running `Command { std: "docker" "start" "-a" "c29f5d1ec69be330a680a63ed1dbf59b3615f7725d822671f8550d595727c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c29f5d1ec69be330a680a63ed1dbf59b3615f7725d822671f8550d595727c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29f5d1ec69be330a680a63ed1dbf59b3615f7725d822671f8550d595727c1cc", kill_on_drop: false }`
[INFO] [stdout] c29f5d1ec69be330a680a63ed1dbf59b3615f7725d822671f8550d595727c1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9be6ef0457c49d456a3803f35fde7548216d2cf145e2783d64efedf0c6d212
[INFO] running `Command { std: "docker" "start" "-a" "ba9be6ef0457c49d456a3803f35fde7548216d2cf145e2783d64efedf0c6d212", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling inventory v0.3.15
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling quote_into_macro v0.2.0
[INFO] [stderr]    Compiling quote_into v0.2.0
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]    Compiling pyo3_special_method_derive_macro_0_21 v0.4.2
[INFO] [stderr]     Checking pyo3_special_method_derive_0_21 v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]  --> tests/struct_str_repr_pub_skip.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Dir, Str, Repr)]
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3_special_method_derive_0_21` (test "struct_str_repr_pub_skip") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]  --> examples/all/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Str, Repr, Dir)]
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]   --> examples/all/main.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Dir, Str, Repr)]
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3_special_method_derive_0_21` (example "all") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]  --> examples/skips/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Str, Repr, Dir)]
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]   --> examples/skips/main.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Dir, Str, Repr)]
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]  --> tests/functional_struct.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Dir, Str, Repr)]
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]   --> tests/functional_struct.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Dir)]
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pyo3::pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3_special_method_derive_0_21` (example "skips") due to 2 previous errors
[INFO] [stderr] error: could not compile `pyo3_special_method_derive_0_21` (test "functional_struct") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba9be6ef0457c49d456a3803f35fde7548216d2cf145e2783d64efedf0c6d212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9be6ef0457c49d456a3803f35fde7548216d2cf145e2783d64efedf0c6d212", kill_on_drop: false }`
[INFO] [stdout] ba9be6ef0457c49d456a3803f35fde7548216d2cf145e2783d64efedf0c6d212