[INFO] cloning repository https://github.com/fawq/Rython
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fawq/Rython" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffawq%2FRython", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffawq%2FRython'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92327cd51072e85f6ad460b24743b41b45ddbbfb
[INFO] checking fawq/Rython against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffawq%2FRython" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fawq/Rython
[INFO] finished tweaking git repo https://github.com/fawq/Rython
[INFO] tweaked toml for git repo https://github.com/fawq/Rython written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fawq/Rython 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 git repo https://github.com/fawq/Rython 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b7bfe3ab71dbe9a0d2d9651648215b517c475b88f75c4cb8d7a49fd5f8609be8
[INFO] running `Command { std: "docker" "start" "-a" "b7bfe3ab71dbe9a0d2d9651648215b517c475b88f75c4cb8d7a49fd5f8609be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bfe3ab71dbe9a0d2d9651648215b517c475b88f75c4cb8d7a49fd5f8609be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bfe3ab71dbe9a0d2d9651648215b517c475b88f75c4cb8d7a49fd5f8609be8", kill_on_drop: false }`
[INFO] [stdout] b7bfe3ab71dbe9a0d2d9651648215b517c475b88f75c4cb8d7a49fd5f8609be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4bdc944c1a0e7d9386a9a06e1da6150924ffbec0566b4a5410ad32ec54ea8cb6
[INFO] running `Command { std: "docker" "start" "-a" "4bdc944c1a0e7d9386a9a06e1da6150924ffbec0566b4a5410ad32ec54ea8cb6", kill_on_drop: false }`
[INFO] [stderr] warning: rython v0.5.3 (/opt/rustwide/workdir) ignoring invalid dependency `clippy` which is missing a lib target
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking check v1.0.0
[INFO] [stderr]     Checking fmt v0.1.0
[INFO] [stderr]    Compiling pyo3-build-config v0.23.3
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling pyo3-ffi v0.23.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.3
[INFO] [stderr]    Compiling pyo3 v0.23.3
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.68
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling cached_proc_macro v0.23.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.3
[INFO] [stderr]     Checking cached v0.54.0
[INFO] [stderr]     Checking rython v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:113:71
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn fib_mod(#[pyo3(from_py_with = "wrap")] index: i32, modulo: i32) -> i32 {
[INFO] [stdout]     |                                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:113:71
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn fib_mod(#[pyo3(from_py_with = "wrap")] index: i32, modulo: i32) -> i32 {
[INFO] [stdout]     |                                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rython` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rython` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4bdc944c1a0e7d9386a9a06e1da6150924ffbec0566b4a5410ad32ec54ea8cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdc944c1a0e7d9386a9a06e1da6150924ffbec0566b4a5410ad32ec54ea8cb6", kill_on_drop: false }`
[INFO] [stdout] 4bdc944c1a0e7d9386a9a06e1da6150924ffbec0566b4a5410ad32ec54ea8cb6