[INFO] fetching crate rust_helpers 2.11.1... [INFO] checking rust_helpers-2.11.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate rust_helpers 2.11.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate rust_helpers 2.11.1 [INFO] finished tweaking crates.io crate rust_helpers 2.11.1 [INFO] tweaked toml for crates.io crate rust_helpers 2.11.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_helpers 2.11.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rust_helpers 2.11.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded base64_light v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c66bcf70e9cfea1e1166d75b38320874d53e927d8bb1e49a294b279f49f2b50 [INFO] running `Command { std: "docker" "start" "-a" "2c66bcf70e9cfea1e1166d75b38320874d53e927d8bb1e49a294b279f49f2b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c66bcf70e9cfea1e1166d75b38320874d53e927d8bb1e49a294b279f49f2b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c66bcf70e9cfea1e1166d75b38320874d53e927d8bb1e49a294b279f49f2b50", kill_on_drop: false }` [INFO] [stdout] 2c66bcf70e9cfea1e1166d75b38320874d53e927d8bb1e49a294b279f49f2b50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 293111bb2566ffaa51003e1d17eac5b4b9bfb4202c0bf5c2b48e57f005496079 [INFO] running `Command { std: "docker" "start" "-a" "293111bb2566ffaa51003e1d17eac5b4b9bfb4202c0bf5c2b48e57f005496079", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking base64_light v0.1.5 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking rust_helpers v2.11.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | fn lock_ignore(&self) -> std::sync::MutexGuard; [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] 2 | fn lock_ignore(&self) -> std::sync::MutexGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | fn read_ignore(&self) -> std::sync::RwLockReadGuard; [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] 5 | fn read_ignore(&self) -> std::sync::RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard; [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] 6 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | fn lock_ignore(&self) -> std::sync::MutexGuard { [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] 10 | fn lock_ignore(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 15 | fn read_ignore(&self) -> std::sync::RwLockReadGuard { [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] 15 | fn read_ignore(&self) -> std::sync::RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard { [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] 18 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:2:20 [INFO] [stdout] | [INFO] [stdout] 2 | fn lock_ignore(&self) -> std::sync::MutexGuard; [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] 2 | fn lock_ignore(&self) -> std::sync::MutexGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | fn read_ignore(&self) -> std::sync::RwLockReadGuard; [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] 5 | fn read_ignore(&self) -> std::sync::RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard; [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] 6 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | fn lock_ignore(&self) -> std::sync::MutexGuard { [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] 10 | fn lock_ignore(&self) -> std::sync::MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 15 | fn read_ignore(&self) -> std::sync::RwLockReadGuard { [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] 15 | fn read_ignore(&self) -> std::sync::RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/std_sync_ext.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard { [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] 18 | fn write_ignore(&self) -> std::sync::RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.85s [INFO] running `Command { std: "docker" "inspect" "293111bb2566ffaa51003e1d17eac5b4b9bfb4202c0bf5c2b48e57f005496079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "293111bb2566ffaa51003e1d17eac5b4b9bfb4202c0bf5c2b48e57f005496079", kill_on_drop: false }` [INFO] [stdout] 293111bb2566ffaa51003e1d17eac5b4b9bfb4202c0bf5c2b48e57f005496079