[INFO] fetching crate alder 0.10.0... [INFO] checking alder-0.10.0 against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929 [INFO] extracting crate alder 0.10.0 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate alder 0.10.0 [INFO] finished tweaking crates.io crate alder 0.10.0 [INFO] tweaked toml for crates.io crate alder 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate alder 0.10.0 on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate alder 0.10.0 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2996a156f10eb705699a302134d90fc0f4b84d144b3b24c3e0519aa62139467 [INFO] running `Command { std: "docker" "start" "-a" "d2996a156f10eb705699a302134d90fc0f4b84d144b3b24c3e0519aa62139467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2996a156f10eb705699a302134d90fc0f4b84d144b3b24c3e0519aa62139467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2996a156f10eb705699a302134d90fc0f4b84d144b3b24c3e0519aa62139467", kill_on_drop: false }` [INFO] [stdout] d2996a156f10eb705699a302134d90fc0f4b84d144b3b24c3e0519aa62139467 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd1fb0e3db85cf2e14dc4c6a86b33d2630b1a71e12bc5f3c3588970f96332696 [INFO] running `Command { std: "docker" "start" "-a" "fd1fb0e3db85cf2e14dc4c6a86b33d2630b1a71e12bc5f3c3588970f96332696", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling test-case v1.0.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling derive_more v0.99.3 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling alder-derive v0.2.3 [INFO] [stderr] Checking alder v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `macros::*` [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub use macros::*; [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/core/span.rs:51:26 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn graphemes_idx(&self) -> GraphemeIndices { [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] 51 | pub fn graphemes_idx(&self) -> GraphemeIndices<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `macros::*` [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | pub use macros::*; [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/core/span.rs:51:26 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn graphemes_idx(&self) -> GraphemeIndices { [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] 51 | pub fn graphemes_idx(&self) -> GraphemeIndices<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.96s [INFO] running `Command { std: "docker" "inspect" "fd1fb0e3db85cf2e14dc4c6a86b33d2630b1a71e12bc5f3c3588970f96332696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd1fb0e3db85cf2e14dc4c6a86b33d2630b1a71e12bc5f3c3588970f96332696", kill_on_drop: false }` [INFO] [stdout] fd1fb0e3db85cf2e14dc4c6a86b33d2630b1a71e12bc5f3c3588970f96332696