[INFO] fetching crate defaultmap 0.4.0... [INFO] checking defaultmap-0.4.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] extracting crate defaultmap 0.4.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate defaultmap 0.4.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate defaultmap 0.4.0 [INFO] finished tweaking crates.io crate defaultmap 0.4.0 [INFO] tweaked toml for crates.io crate defaultmap 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcb5a9f499fd4ca813d4d662d05bda9dc68e4518b6c60668fb6094fc65427583 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bcb5a9f499fd4ca813d4d662d05bda9dc68e4518b6c60668fb6094fc65427583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcb5a9f499fd4ca813d4d662d05bda9dc68e4518b6c60668fb6094fc65427583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcb5a9f499fd4ca813d4d662d05bda9dc68e4518b6c60668fb6094fc65427583", kill_on_drop: false }` [INFO] [stdout] bcb5a9f499fd4ca813d4d662d05bda9dc68e4518b6c60668fb6094fc65427583 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2593d505545ddbf08ac496b4043dd42d3b3a20dc7cba1ec5a08efd0311ba59e8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2593d505545ddbf08ac496b4043dd42d3b3a20dc7cba1ec5a08efd0311ba59e8", kill_on_drop: false }` [INFO] [stderr] Checking defaultmap v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:247:49 [INFO] [stdout] | [INFO] [stdout] 247 | pub fn contains_key(&self, k: &Q) -> (bool) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:255:47 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn remove(&mut self, k: &Q) -> (Option) [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:247:49 [INFO] [stdout] | [INFO] [stdout] 247 | pub fn contains_key(&self, k: &Q) -> (bool) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:255:47 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn remove(&mut self, k: &Q) -> (Option) [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/lib.rs:408:25 [INFO] [stdout] | [INFO] [stdout] 408 | for num in nums.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/lib.rs:431:39 [INFO] [stdout] | [INFO] [stdout] 431 | for &(l, r) in synonym_tuples.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "2593d505545ddbf08ac496b4043dd42d3b3a20dc7cba1ec5a08efd0311ba59e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2593d505545ddbf08ac496b4043dd42d3b3a20dc7cba1ec5a08efd0311ba59e8", kill_on_drop: false }` [INFO] [stdout] 2593d505545ddbf08ac496b4043dd42d3b3a20dc7cba1ec5a08efd0311ba59e8