[INFO] fetching crate foundation_core 0.0.2...
[INFO] checking foundation_core-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate foundation_core 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate foundation_core 0.0.2
[INFO] finished tweaking crates.io crate foundation_core 0.0.2
[INFO] tweaked toml for crates.io crate foundation_core 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate foundation_core 0.0.2 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] 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 215 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.0.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding toml v0.8.23 (available: v0.9.8)
[INFO] [stderr]       Adding toml_datetime v0.6.11 (available: v0.7.3)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.7)
[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-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] d0825e1278bc2b10fe054cfd4925434c3a2d596e7ea17339e69ed70028c39f71
[INFO] running `Command { std: "docker" "start" "-a" "d0825e1278bc2b10fe054cfd4925434c3a2d596e7ea17339e69ed70028c39f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0825e1278bc2b10fe054cfd4925434c3a2d596e7ea17339e69ed70028c39f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0825e1278bc2b10fe054cfd4925434c3a2d596e7ea17339e69ed70028c39f71", kill_on_drop: false }`
[INFO] [stdout] d0825e1278bc2b10fe054cfd4925434c3a2d596e7ea17339e69ed70028c39f71
[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] fa555481b6d037166564a8e8d8f45fdf5d46f5ed820b4cea962907a8aa8f7c2f
[INFO] running `Command { std: "docker" "start" "-a" "fa555481b6d037166564a8e8d8f45fdf5d46f5ed820b4cea962907a8aa8f7c2f", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]     Checking rust-embed-utils v8.9.0
[INFO] [stderr]     Checking libyml v0.0.5
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]    Compiling rust-embed-impl v8.9.0
[INFO] [stderr]     Checking rust-embed v8.9.0
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking foundation_core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stdout] warning: useless assignment of variable of type `usize` to itself
[INFO] [stdout]    --> src/io/ubytes/mod.rs:436:9
[INFO] [stdout]     |
[INFO] [stdout] 436 |         until_pos = until_pos;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/io/mem/memory.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn drain<R>(&mut self, range: R) -> Drain<T>
[INFO] [stdout]     |                     ^^^^^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn drain<R>(&mut self, range: R) -> Drain<'_, T>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/io/mem/primitives.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn opt_slice(&self, range: Option<Range>) -> Option<Bytes> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here      ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn opt_slice(&self, range: Option<Range>) -> Option<Bytes<'_>> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<SimpleHeader, Infallible>
[INFO] [stdout]    --> src/wire/simple_http/impls.rs:516:53
[INFO] [stdout]     |
[INFO] [stdout] 516 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 517 | |         Ok(Self::from(String::from(s)))
[INFO] [stdout] 518 | |     }
[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: std::result::Result<SimpleHeader, Infallible>
[INFO] [stdout]    --> src/wire/simple_http/impls.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         Ok(Self::from(String::from(s)))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `foundation_core` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fa555481b6d037166564a8e8d8f45fdf5d46f5ed820b4cea962907a8aa8f7c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa555481b6d037166564a8e8d8f45fdf5d46f5ed820b4cea962907a8aa8f7c2f", kill_on_drop: false }`
[INFO] [stdout] fa555481b6d037166564a8e8d8f45fdf5d46f5ed820b4cea962907a8aa8f7c2f
