[INFO] fetching crate ufmt-macros 0.3.0... [INFO] checking ufmt-macros-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate ufmt-macros 0.3.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate ufmt-macros 0.3.0 [INFO] finished tweaking crates.io crate ufmt-macros 0.3.0 [INFO] tweaked toml for crates.io crate ufmt-macros 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ufmt-macros 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.104) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d512f27188be5d9b814d328da032359de2b2a25acc192c1b2ac14eaa65cd4db7 [INFO] running `Command { std: "docker" "start" "-a" "d512f27188be5d9b814d328da032359de2b2a25acc192c1b2ac14eaa65cd4db7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d512f27188be5d9b814d328da032359de2b2a25acc192c1b2ac14eaa65cd4db7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d512f27188be5d9b814d328da032359de2b2a25acc192c1b2ac14eaa65cd4db7", kill_on_drop: false }` [INFO] [stdout] d512f27188be5d9b814d328da032359de2b2a25acc192c1b2ac14eaa65cd4db7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 43c90d2cb9db0ad2e461dacec88ab2b8974d14dd672d2054a71c87ba0838573c [INFO] running `Command { std: "docker" "start" "-a" "43c90d2cb9db0ad2e461dacec88ab2b8974d14dd672d2054a71c87ba0838573c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking ufmt-macros v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:343:26 [INFO] [stdout] | [INFO] [stdout] 343 | fn unescape(mut literal: &str, span: Span) -> parse::Result> { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 343 | fn unescape(mut literal: &str, span: Span) -> parse::Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:377:23 [INFO] [stdout] | [INFO] [stdout] 377 | fn parse(mut literal: &str, span: Span) -> parse::Result> { [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] 377 | fn parse(mut literal: &str, span: Span) -> parse::Result>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:479:24 [INFO] [stdout] | [INFO] [stdout] 479 | fn parse_colon(format: &str, span: Span) -> parse::Result<(Piece, &str)> { [INFO] [stdout] | ^^^^ ----- ---- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 479 | fn parse_colon(format: &str, span: Span) -> parse::Result<(Piece<'_>, &str)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ufmt-macros` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:343:26 [INFO] [stdout] | [INFO] [stdout] 343 | fn unescape(mut literal: &str, span: Span) -> parse::Result> { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 343 | fn unescape(mut literal: &str, span: Span) -> parse::Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:377:23 [INFO] [stdout] | [INFO] [stdout] 377 | fn parse(mut literal: &str, span: Span) -> parse::Result> { [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] 377 | fn parse(mut literal: &str, span: Span) -> parse::Result>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:479:24 [INFO] [stdout] | [INFO] [stdout] 479 | fn parse_colon(format: &str, span: Span) -> parse::Result<(Piece, &str)> { [INFO] [stdout] | ^^^^ ----- ---- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 479 | fn parse_colon(format: &str, span: Span) -> parse::Result<(Piece<'_>, &str)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ufmt-macros` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "43c90d2cb9db0ad2e461dacec88ab2b8974d14dd672d2054a71c87ba0838573c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43c90d2cb9db0ad2e461dacec88ab2b8974d14dd672d2054a71c87ba0838573c", kill_on_drop: false }` [INFO] [stdout] 43c90d2cb9db0ad2e461dacec88ab2b8974d14dd672d2054a71c87ba0838573c