[INFO] cloning repository https://github.com/DenisGorbachev/error-handling-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenisGorbachev/error-handling-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisGorbachev%2Ferror-handling-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisGorbachev%2Ferror-handling-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b29f565cc170c2d0424cdcb67129577258e17e6f [INFO] checking DenisGorbachev/error-handling-rs 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%2FDenisGorbachev%2Ferror-handling-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/DenisGorbachev/error-handling-rs [INFO] finished tweaking git repo https://github.com/DenisGorbachev/error-handling-rs [INFO] tweaked toml for git repo https://github.com/DenisGorbachev/error-handling-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/DenisGorbachev/error-handling-rs 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/DenisGorbachev/error-handling-rs 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 66e363ceb33153d747f4d3f149f8fad0cd0aff04421869a95e787e5d9c1ed954 [INFO] running `Command { std: "docker" "start" "-a" "66e363ceb33153d747f4d3f149f8fad0cd0aff04421869a95e787e5d9c1ed954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66e363ceb33153d747f4d3f149f8fad0cd0aff04421869a95e787e5d9c1ed954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66e363ceb33153d747f4d3f149f8fad0cd0aff04421869a95e787e5d9c1ed954", kill_on_drop: false }` [INFO] [stdout] 66e363ceb33153d747f4d3f149f8fad0cd0aff04421869a95e787e5d9c1ed954 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8b0326c8205f90af2c2cc96d8384f63bc73d6a8cafb3da456df63d611e0dd948 [INFO] running `Command { std: "docker" "start" "-a" "8b0326c8205f90af2c2cc96d8384f63bc73d6a8cafb3da456df63d611e0dd948", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking winnow v0.7.13 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking toml_writer v1.0.2 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking socket2 v0.5.9 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking toml_parser v1.0.2 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tokio v1.44.2 [INFO] [stderr] Checking thiserror v2.0.16 [INFO] [stderr] Checking error-handling v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serde_spanned v1.0.0 [INFO] [stderr] Checking toml_datetime v0.7.0 [INFO] [stderr] Checking toml v0.9.5 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/macros.rs:277:64 [INFO] [stdout] | [INFO] [stdout] 277 | async fn process(number: u32) -> Result { [INFO] [stdout] | ________________________________________________________________^ [INFO] [stdout] 278 | | Ok(number) [INFO] [stdout] 279 | | } [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 [INFO] [stdout] --> src/macros.rs:277:64 [INFO] [stdout] | [INFO] [stdout] 277 | async fn process(number: u32) -> Result { [INFO] [stdout] | ________________________________________________________________^ [INFO] [stdout] 278 | | Ok(number) [INFO] [stdout] 279 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/macros.rs:278:9 [INFO] [stdout] | [INFO] [stdout] 278 | Ok(number) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `error-handling` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "8b0326c8205f90af2c2cc96d8384f63bc73d6a8cafb3da456df63d611e0dd948", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b0326c8205f90af2c2cc96d8384f63bc73d6a8cafb3da456df63d611e0dd948", kill_on_drop: false }` [INFO] [stdout] 8b0326c8205f90af2c2cc96d8384f63bc73d6a8cafb3da456df63d611e0dd948