[INFO] fetching crate mini-io-queue 0.2.0... [INFO] testing mini-io-queue-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate mini-io-queue 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mini-io-queue 0.2.0 [INFO] finished tweaking crates.io crate mini-io-queue 0.2.0 [INFO] tweaked toml for crates.io crate mini-io-queue 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mini-io-queue 0.2.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d5376f85838fd1f7565cfce3ee003b88910d74beaaa70f608b17bf81a516daf7 [INFO] running `Command { std: "docker" "start" "-a" "d5376f85838fd1f7565cfce3ee003b88910d74beaaa70f608b17bf81a516daf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5376f85838fd1f7565cfce3ee003b88910d74beaaa70f608b17bf81a516daf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5376f85838fd1f7565cfce3ee003b88910d74beaaa70f608b17bf81a516daf7", kill_on_drop: false }` [INFO] [stdout] d5376f85838fd1f7565cfce3ee003b88910d74beaaa70f608b17bf81a516daf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ab4ed99e0dbc52ccda22574acf3a13e4e42d86b059b5d8867b2c0d5eff70e004 [INFO] running `Command { std: "docker" "start" "-a" "ab4ed99e0dbc52ccda22574acf3a13e4e42d86b059b5d8867b2c0d5eff70e004", kill_on_drop: false }` [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling mini-io-queue v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::io_impls::*` [INFO] [stdout] --> src/nonblocking.rs:576:9 [INFO] [stdout] | [INFO] [stdout] 576 | pub use self::io_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/region.rs:182:19 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn as_ref(&self) -> Region { [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] 182 | pub fn as_ref(&self) -> Region<'_, 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/region.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn slice(&self, range: R) -> Region [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] 238 | pub fn slice(&self, range: R) -> Region<'_, 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/region.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut [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] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut<'_, 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/ring.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ------- the lifetime gets resolved as `'_` [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] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/nonblocking.rs:267:19 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn buf(&self) -> Region [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] 267 | pub fn buf(&self) -> Region<'_, 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/nonblocking.rs:394:19 [INFO] [stdout] | [INFO] [stdout] 394 | pub fn buf(&mut self) -> RegionMut [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] 394 | pub fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:283:24 [INFO] [stdout] | [INFO] [stdout] 283 | pub fn fill_buf(&mut self) -> Region [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] 283 | pub fn fill_buf(&mut self) -> Region<'_, 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/blocking.rs:405:15 [INFO] [stdout] | [INFO] [stdout] 405 | fn buf(&self) -> Region [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] 405 | fn buf(&self) -> Region<'_, 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/blocking.rs:506:15 [INFO] [stdout] | [INFO] [stdout] 506 | fn buf(&mut self) -> RegionMut [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] 506 | fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:539:25 [INFO] [stdout] | [INFO] [stdout] 539 | pub fn empty_buf(&mut self) -> RegionMut [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] 539 | pub fn empty_buf(&mut self) -> RegionMut<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `Command { std: "docker" "inspect" "ab4ed99e0dbc52ccda22574acf3a13e4e42d86b059b5d8867b2c0d5eff70e004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab4ed99e0dbc52ccda22574acf3a13e4e42d86b059b5d8867b2c0d5eff70e004", kill_on_drop: false }` [INFO] [stdout] ab4ed99e0dbc52ccda22574acf3a13e4e42d86b059b5d8867b2c0d5eff70e004 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] f9a10b64c72cdc29161f53aaa7fa1490627ae5b458ba8edf8c5c0cd188eb48b8 [INFO] running `Command { std: "docker" "start" "-a" "f9a10b64c72cdc29161f53aaa7fa1490627ae5b458ba8edf8c5c0cd188eb48b8", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling mini-io-queue v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::io_impls::*` [INFO] [stdout] --> src/nonblocking.rs:576:9 [INFO] [stdout] | [INFO] [stdout] 576 | pub use self::io_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::io_impls::*` [INFO] [stdout] --> src/nonblocking.rs:576:9 [INFO] [stdout] | [INFO] [stdout] 576 | pub use self::io_impls::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/region.rs:182:19 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn as_ref(&self) -> Region { [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] 182 | pub fn as_ref(&self) -> Region<'_, 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/region.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn slice(&self, range: R) -> Region [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] 238 | pub fn slice(&self, range: R) -> Region<'_, 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/region.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut [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] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut<'_, 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/ring.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ------- the lifetime gets resolved as `'_` [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] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/nonblocking.rs:267:19 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn buf(&self) -> Region [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] 267 | pub fn buf(&self) -> Region<'_, 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/nonblocking.rs:394:19 [INFO] [stdout] | [INFO] [stdout] 394 | pub fn buf(&mut self) -> RegionMut [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] 394 | pub fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:283:24 [INFO] [stdout] | [INFO] [stdout] 283 | pub fn fill_buf(&mut self) -> Region [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] 283 | pub fn fill_buf(&mut self) -> Region<'_, 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/blocking.rs:405:15 [INFO] [stdout] | [INFO] [stdout] 405 | fn buf(&self) -> Region [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] 405 | fn buf(&self) -> Region<'_, 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/blocking.rs:506:15 [INFO] [stdout] | [INFO] [stdout] 506 | fn buf(&mut self) -> RegionMut [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] 506 | fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:539:25 [INFO] [stdout] | [INFO] [stdout] 539 | pub fn empty_buf(&mut self) -> RegionMut [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] 539 | pub fn empty_buf(&mut self) -> RegionMut<'_, 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/region.rs:182:19 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn as_ref(&self) -> Region { [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] 182 | pub fn as_ref(&self) -> Region<'_, 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/region.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn slice(&self, range: R) -> Region [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] 238 | pub fn slice(&self, range: R) -> Region<'_, 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/region.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut [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] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut<'_, 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/ring.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ------- the lifetime gets resolved as `'_` [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] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/nonblocking.rs:267:19 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn buf(&self) -> Region [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] 267 | pub fn buf(&self) -> Region<'_, 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/nonblocking.rs:394:19 [INFO] [stdout] | [INFO] [stdout] 394 | pub fn buf(&mut self) -> RegionMut [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] 394 | pub fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:283:24 [INFO] [stdout] | [INFO] [stdout] 283 | pub fn fill_buf(&mut self) -> Region [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] 283 | pub fn fill_buf(&mut self) -> Region<'_, 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/blocking.rs:405:15 [INFO] [stdout] | [INFO] [stdout] 405 | fn buf(&self) -> Region [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] 405 | fn buf(&self) -> Region<'_, 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/blocking.rs:506:15 [INFO] [stdout] | [INFO] [stdout] 506 | fn buf(&mut self) -> RegionMut [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] 506 | fn buf(&mut self) -> RegionMut<'_, 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/blocking.rs:539:25 [INFO] [stdout] | [INFO] [stdout] 539 | pub fn empty_buf(&mut self) -> RegionMut [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] 539 | pub fn empty_buf(&mut self) -> RegionMut<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.31s [INFO] running `Command { std: "docker" "inspect" "f9a10b64c72cdc29161f53aaa7fa1490627ae5b458ba8edf8c5c0cd188eb48b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9a10b64c72cdc29161f53aaa7fa1490627ae5b458ba8edf8c5c0cd188eb48b8", kill_on_drop: false }` [INFO] [stdout] f9a10b64c72cdc29161f53aaa7fa1490627ae5b458ba8edf8c5c0cd188eb48b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] cab4059b00d1c7511cd9a643326b7501c79b1d168165cb96b94cbf237318eeb8 [INFO] running `Command { std: "docker" "start" "-a" "cab4059b00d1c7511cd9a643326b7501c79b1d168165cb96b94cbf237318eeb8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self::io_impls::*` [INFO] [stderr] --> src/nonblocking.rs:576:9 [INFO] [stderr] | [INFO] [stderr] 576 | pub use self::io_impls::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/region.rs:182:19 [INFO] [stderr] | [INFO] [stderr] 182 | pub fn as_ref(&self) -> Region { [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 182 | pub fn as_ref(&self) -> Region<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/region.rs:238:21 [INFO] [stderr] | [INFO] [stderr] 238 | pub fn slice(&self, range: R) -> Region [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 238 | pub fn slice(&self, range: R) -> Region<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/region.rs:249:25 [INFO] [stderr] | [INFO] [stderr] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut [INFO] [stderr] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 249 | pub fn slice_mut(&mut self, range: R) -> RegionMut<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/ring.rs:62:20 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display { [INFO] [stderr] | ^^^^^ this lifetime flows to the output ------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 62 | pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/nonblocking.rs:267:19 [INFO] [stderr] | [INFO] [stderr] 267 | pub fn buf(&self) -> Region [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 267 | pub fn buf(&self) -> Region<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/nonblocking.rs:394:19 [INFO] [stderr] | [INFO] [stderr] 394 | pub fn buf(&mut self) -> RegionMut [INFO] [stderr] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 394 | pub fn buf(&mut self) -> RegionMut<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/blocking.rs:283:24 [INFO] [stderr] | [INFO] [stderr] 283 | pub fn fill_buf(&mut self) -> Region [INFO] [stderr] | ^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 283 | pub fn fill_buf(&mut self) -> Region<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/blocking.rs:405:15 [INFO] [stderr] | [INFO] [stderr] 405 | fn buf(&self) -> Region [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 405 | fn buf(&self) -> Region<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/blocking.rs:506:15 [INFO] [stderr] | [INFO] [stderr] 506 | fn buf(&mut self) -> RegionMut [INFO] [stderr] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 506 | fn buf(&mut self) -> RegionMut<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/blocking.rs:539:25 [INFO] [stderr] | [INFO] [stderr] 539 | pub fn empty_buf(&mut self) -> RegionMut [INFO] [stderr] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 539 | pub fn empty_buf(&mut self) -> RegionMut<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mini-io-queue` (lib) generated 11 warnings (run `cargo fix --lib -p mini-io-queue` to apply 11 suggestions) [INFO] [stderr] warning: `mini-io-queue` (lib test) generated 11 warnings (11 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mini_io_queue-b784c4c6754bcffa) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test region::tests::region_copy_to_slice ... ok [INFO] [stdout] test region::tests::region_default_is_empty ... ok [INFO] [stdout] test region::tests::region_is_empty ... ok [INFO] [stdout] test region::tests::region_mut_clone_from_slice ... ok [INFO] [stdout] test region::tests::region_iter ... ok [INFO] [stdout] test region::tests::region_mut_index ... ok [INFO] [stdout] test region::tests::region_len ... ok [INFO] [stdout] test region::tests::region_mut_copy_from_slice ... ok [INFO] [stdout] test region::tests::region_index ... ok [INFO] [stdout] test region::tests::region_slice ... ok [INFO] [stdout] test region::tests::region_contiguous ... ok [INFO] [stdout] test region::tests::region_mut_as_ref ... ok [INFO] [stdout] test region::tests::region_clone_to_slice ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cab4059b00d1c7511cd9a643326b7501c79b1d168165cb96b94cbf237318eeb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cab4059b00d1c7511cd9a643326b7501c79b1d168165cb96b94cbf237318eeb8", kill_on_drop: false }` [INFO] [stdout] cab4059b00d1c7511cd9a643326b7501c79b1d168165cb96b94cbf237318eeb8