[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<EmptyVec<T>, Infallible>
[INFO] [stdout]    --> src/empty.rs:98:61
[INFO] [stdout]     |
[INFO] [stdout]  98 |       fn with_capacity(_: usize) -> Result<Self, Self::Error> {
[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<EmptyVec<T>, 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<alloc::vec::Vec<T>, Infallible>
[INFO] [stdout]   --> src/flavor.rs:36:68
[INFO] [stdout]    |
[INFO] [stdout] 36 |       fn with_capacity(capacity: usize) -> Result<Self, Self::Error> {
[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<alloc::vec::Vec<T>, 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<usize, Infallible>
[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
