[INFO] fetching crate matrust 0.0.6... [INFO] checking matrust-0.0.6 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294 [INFO] extracting crate matrust 0.0.6 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate matrust 0.0.6 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b [INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate matrust 0.0.6 [INFO] finished tweaking crates.io crate matrust 0.0.6 [INFO] tweaked toml for crates.io crate matrust 0.0.6 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7f6f2a5f0e5059334c94a193488ed00859ec4340ba19e65c727732cf18c58caf [INFO] running `"docker" "start" "-a" "7f6f2a5f0e5059334c94a193488ed00859ec4340ba19e65c727732cf18c58caf"` [INFO] [stderr] Checking matrust v0.0.6 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | try!(write!(f, "{}", self.val[i * self.cols + j])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:20:21 [INFO] [stderr] | [INFO] [stderr] 20 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | try!(write!(f, "; ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:132:22 [INFO] [stderr] | [INFO] [stderr] 132 | self.map2(m, (|x, y| x + y)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:136:22 [INFO] [stderr] | [INFO] [stderr] 136 | self.map2(m, (|x, y| x - y)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | try!(write!(f, "{}", self.val[i * self.cols + j])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:20:21 [INFO] [stderr] | [INFO] [stderr] 20 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | try!(write!(f, "; ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:132:22 [INFO] [stderr] | [INFO] [stderr] 132 | self.map2(m, (|x, y| x + y)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:136:22 [INFO] [stderr] | [INFO] [stderr] 136 | self.map2(m, (|x, y| x - y)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:232:29 [INFO] [stderr] | [INFO] [stderr] 232 | assert!(m.map2(&m5, (|x, y| y + x)).is_err()); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `"docker" "inspect" "7f6f2a5f0e5059334c94a193488ed00859ec4340ba19e65c727732cf18c58caf"` [INFO] running `"docker" "rm" "-f" "7f6f2a5f0e5059334c94a193488ed00859ec4340ba19e65c727732cf18c58caf"` [INFO] [stdout] 7f6f2a5f0e5059334c94a193488ed00859ec4340ba19e65c727732cf18c58caf