[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(&mut self, range: R) -> Drain [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(&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) -> Option { [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) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/wire/simple_http/impls.rs:516:53 [INFO] [stdout] | [INFO] [stdout] 516 | fn from_str(s: &str) -> Result { [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 [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