[INFO] cloning repository https://github.com/udoprog/syntree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/syntree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fsyntree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f3d8c86e7224f33f1f398808de4e3744b9541ae [INFO] checking udoprog/syntree 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%2Fudoprog%2Fsyntree" "/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/udoprog/syntree [INFO] finished tweaking git repo https://github.com/udoprog/syntree [INFO] tweaked toml for git repo https://github.com/udoprog/syntree written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/udoprog/syntree 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 87 packages to latest compatible versions [INFO] [stderr] Adding codespan-reporting v0.11.1 (available: v0.13.1) [INFO] [stderr] Adding criterion v0.4.0 (available: v0.7.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rowan v0.15.17 (available: v0.16.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 5949f5d6ca04a02cc3eda36baff9cb10c3f6c91163075ce3fa622ccd3aa744ff [INFO] running `Command { std: "docker" "start" "-a" "5949f5d6ca04a02cc3eda36baff9cb10c3f6c91163075ce3fa622ccd3aa744ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5949f5d6ca04a02cc3eda36baff9cb10c3f6c91163075ce3fa622ccd3aa744ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5949f5d6ca04a02cc3eda36baff9cb10c3f6c91163075ce3fa622ccd3aa744ff", kill_on_drop: false }` [INFO] [stdout] 5949f5d6ca04a02cc3eda36baff9cb10c3f6c91163075ce3fa622ccd3aa744ff [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] f5a4fb6bc57c7cf0f87e8c1bf6eea98b901af215b5414bd643f4c4be03bcf593 [INFO] running `Command { std: "docker" "start" "-a" "f5a4fb6bc57c7cf0f87e8c1bf6eea98b901af215b5414bd643f4c4be03bcf593", kill_on_drop: false }` [INFO] [stderr] Checking syntree v0.18.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zerocopy-derive v0.8.27 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking indexmap v1.9.3 [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/empty.rs:98:61 [INFO] [stdout] | [INFO] [stdout] 98 | fn with_capacity(_: usize) -> Result { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 99 | | Ok(Self::EMPTY) [INFO] [stdout] 100 | | } [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, Infallible> [INFO] [stdout] --> src/empty.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | Ok(Self::EMPTY) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/flavor.rs:36:68 [INFO] [stdout] | [INFO] [stdout] 36 | fn with_capacity(capacity: usize) -> Result { [INFO] [stdout] | ____________________________________________________________________^ [INFO] [stdout] 37 | | Ok(alloc::vec::Vec::with_capacity(capacity)) [INFO] [stdout] 38 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/flavor.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | Ok(alloc::vec::Vec::with_capacity(capacity)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pointer.rs:113:29 [INFO] [stdout] | [INFO] [stdout] 113 | let value = <$ty>::try_from(value).ok()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 200 | implement!(usize, NonZeroUsize, PointerUsize); [INFO] [stdout] | --------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `implement` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syntree` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f5a4fb6bc57c7cf0f87e8c1bf6eea98b901af215b5414bd643f4c4be03bcf593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5a4fb6bc57c7cf0f87e8c1bf6eea98b901af215b5414bd643f4c4be03bcf593", kill_on_drop: false }` [INFO] [stdout] f5a4fb6bc57c7cf0f87e8c1bf6eea98b901af215b5414bd643f4c4be03bcf593