[INFO] cloning repository https://github.com/dkattimu/test-case-combos-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkattimu/test-case-combos-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 457d857b08223a3f5910e54a0b7f9aefd37f6000 [INFO] checking dkattimu/test-case-combos-rs against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkattimu%2Ftest-case-combos-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dkattimu/test-case-combos-rs [INFO] finished tweaking git repo https://github.com/dkattimu/test-case-combos-rs [INFO] tweaked toml for git repo https://github.com/dkattimu/test-case-combos-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dkattimu/test-case-combos-rs on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dkattimu/test-case-combos-rs 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8acb900d43abd0cf2c8138478bc79a23c8bb7247af27a840f414288e1327a557 [INFO] running `Command { std: "docker" "start" "-a" "8acb900d43abd0cf2c8138478bc79a23c8bb7247af27a840f414288e1327a557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8acb900d43abd0cf2c8138478bc79a23c8bb7247af27a840f414288e1327a557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8acb900d43abd0cf2c8138478bc79a23c8bb7247af27a840f414288e1327a557", kill_on_drop: false }` [INFO] [stdout] 8acb900d43abd0cf2c8138478bc79a23c8bb7247af27a840f414288e1327a557 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b1d78b4047cff67812571e603180bb2aa2e9a9d78922d6f0af4484c3810afa3 [INFO] running `Command { std: "docker" "start" "-a" "2b1d78b4047cff67812571e603180bb2aa2e9a9d78922d6f0af4484c3810afa3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling parameterized-macro v1.0.0 [INFO] [stderr] Checking parameterized v1.0.0 [INFO] [stderr] Checking test-case-combos-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/interval_set.rs:193:32 [INFO] [stdout] | [INFO] [stdout] 193 | fn intersection(&self, other: &dyn ISet) -> &dyn ISet { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/interval_set.rs:197:31 [INFO] [stdout] | [INFO] [stdout] 197 | fn is_superset(&self, other: &dyn ISet) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ElementSet` is never constructed [INFO] [stdout] --> src/element_set.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ElementSet { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/interval_set.rs:206:44 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet where [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] 206 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet<'_, T> where [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:121:45 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet { [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] 121 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/interval_set.rs:193:32 [INFO] [stdout] | [INFO] [stdout] 193 | fn intersection(&self, other: &dyn ISet) -> &dyn ISet { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/interval_set.rs:197:31 [INFO] [stdout] | [INFO] [stdout] 197 | fn is_superset(&self, other: &dyn ISet) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ElementSet` is never constructed [INFO] [stdout] --> src/element_set.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ElementSet { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/interval_set.rs:206:44 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet where [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] 206 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet<'_, T> where [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:121:45 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet { [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] 121 | pub fn parse_intervalset(str_reprn: &str) -> IntervalSet<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s [INFO] running `Command { std: "docker" "inspect" "2b1d78b4047cff67812571e603180bb2aa2e9a9d78922d6f0af4484c3810afa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b1d78b4047cff67812571e603180bb2aa2e9a9d78922d6f0af4484c3810afa3", kill_on_drop: false }` [INFO] [stdout] 2b1d78b4047cff67812571e603180bb2aa2e9a9d78922d6f0af4484c3810afa3