[INFO] fetching crate nstack 0.16.0... [INFO] checking nstack-0.16.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate nstack 0.16.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate nstack 0.16.0 [INFO] finished tweaking crates.io crate nstack 0.16.0 [INFO] tweaked toml for crates.io crate nstack 0.16.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nstack 0.16.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eada79b8a7552e9470a2c4d33505a12d89d72ec3974ff7d3e4f85b6798677c1 [INFO] running `Command { std: "docker" "start" "-a" "1eada79b8a7552e9470a2c4d33505a12d89d72ec3974ff7d3e4f85b6798677c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eada79b8a7552e9470a2c4d33505a12d89d72ec3974ff7d3e4f85b6798677c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eada79b8a7552e9470a2c4d33505a12d89d72ec3974ff7d3e4f85b6798677c1", kill_on_drop: false }` [INFO] [stdout] 1eada79b8a7552e9470a2c4d33505a12d89d72ec3974ff7d3e4f85b6798677c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bba9f2b0345514114b851a5cfdff5d9f690658d9e173da9953a01b55353592e [INFO] running `Command { std: "docker" "start" "-a" "9bba9f2b0345514114b851a5cfdff5d9f690658d9e173da9953a01b55353592e", kill_on_drop: false }` [INFO] [stderr] Checking ranno v0.1.0 [INFO] [stderr] Checking microkelvin v0.17.0 [INFO] [stderr] Checking nstack v0.16.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | fn child(&self, index: usize) -> Child { [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] 53 | fn child(&self, index: usize) -> Child<'_, Self, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:18 [INFO] [stdout] | [INFO] [stdout] 67 | fn child_mut(&mut self, index: usize) -> ChildMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | fn child_mut(&mut self, index: usize) -> ChildMut<'_, Self, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/index.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn nth(&self, index: u64) -> Option> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn nth(&self, index: u64) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/index.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn nth_mut(&mut self, index: u64) -> Option> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn nth_mut(&mut self, index: u64) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/keyed.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn max_key(&self) -> Option> [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 21 | pub fn max_key(&self) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/keyed.rs:31:27 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn max_key_mut(&mut self) -> Option> [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn max_key_mut(&mut self) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | fn child(&self, index: usize) -> Child { [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] 53 | fn child(&self, index: usize) -> Child<'_, Self, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:18 [INFO] [stdout] | [INFO] [stdout] 67 | fn child_mut(&mut self, index: usize) -> ChildMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | fn child_mut(&mut self, index: usize) -> ChildMut<'_, Self, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/index.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn nth(&self, index: u64) -> Option> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn nth(&self, index: u64) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/index.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn nth_mut(&mut self, index: u64) -> Option> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn nth_mut(&mut self, index: u64) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/keyed.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn max_key(&self) -> Option> [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 21 | pub fn max_key(&self) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/annotation/keyed.rs:31:27 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn max_key_mut(&mut self) -> Option> [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn max_key_mut(&mut self) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "9bba9f2b0345514114b851a5cfdff5d9f690658d9e173da9953a01b55353592e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bba9f2b0345514114b851a5cfdff5d9f690658d9e173da9953a01b55353592e", kill_on_drop: false }` [INFO] [stdout] 9bba9f2b0345514114b851a5cfdff5d9f690658d9e173da9953a01b55353592e