[INFO] fetching crate libknot 0.2.3... [INFO] checking libknot-0.2.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate libknot 0.2.3 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate libknot 0.2.3 [INFO] finished tweaking crates.io crate libknot 0.2.3 [INFO] tweaked toml for crates.io crate libknot 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libknot 0.2.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate libknot 0.2.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 614a5dd34ace07b1025ac28e0a8ccb905282a990736c0474db1842434b308ff8 [INFO] running `Command { std: "docker" "start" "-a" "614a5dd34ace07b1025ac28e0a8ccb905282a990736c0474db1842434b308ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "614a5dd34ace07b1025ac28e0a8ccb905282a990736c0474db1842434b308ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "614a5dd34ace07b1025ac28e0a8ccb905282a990736c0474db1842434b308ff8", kill_on_drop: false }` [INFO] [stdout] 614a5dd34ace07b1025ac28e0a8ccb905282a990736c0474db1842434b308ff8 [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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2adb012a43829052bbbc7eaa434218a578d76fbc99aa2b463009ddb74f25538 [INFO] running `Command { std: "docker" "start" "-a" "f2adb012a43829052bbbc7eaa434218a578d76fbc99aa2b463009ddb74f25538", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling thiserror v2.0.9 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.94 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unix_socket2 v0.5.4 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling thiserror-impl v2.0.9 [INFO] [stderr] Checking libknot v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `MakeFallible` is never used [INFO] [stdout] --> src/util.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Convert` is never constructed [INFO] [stdout] --> src/util.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Convert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/common.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MakeFallible` is never used [INFO] [stdout] --> src/util.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Convert` is never constructed [INFO] [stdout] --> src/util.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Convert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/common.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s [INFO] running `Command { std: "docker" "inspect" "f2adb012a43829052bbbc7eaa434218a578d76fbc99aa2b463009ddb74f25538", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2adb012a43829052bbbc7eaa434218a578d76fbc99aa2b463009ddb74f25538", kill_on_drop: false }` [INFO] [stdout] f2adb012a43829052bbbc7eaa434218a578d76fbc99aa2b463009ddb74f25538