[INFO] updating cached repository https://github.com/AzenForze/RankedPairs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 740b4c8508d02a8238a64e8c1ce77c7ab22c5723 [INFO] checking AzenForze/RankedPairs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzenForze%2FRankedPairs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AzenForze/RankedPairs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/AzenForze/RankedPairs [INFO] finished tweaking git repo https://github.com/AzenForze/RankedPairs [INFO] tweaked toml for git repo https://github.com/AzenForze/RankedPairs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/AzenForze/RankedPairs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9e23fcb1758f271357d1098fe7330a855a27dbd782d473ddc931d41e62e6cf7a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "9e23fcb1758f271357d1098fe7330a855a27dbd782d473ddc931d41e62e6cf7a"` [INFO] [stderr] Checking ranked_pairs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:37:36 [INFO] [stderr] | [INFO] [stderr] 37 | impl<'a, R:'a, C:'a, Q, U> Borrow< KeyPair +'a > for Pair where [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair +'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:43:27 [INFO] [stderr] | [INFO] [stderr] 43 | fn borrow(&self) -> &(KeyPair+'a) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair+'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:49:49 [INFO] [stderr] | [INFO] [stderr] 49 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> PartialEq for KeyPair + 'a [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:51:26 [INFO] [stderr] | [INFO] [stderr] 51 | fn eq(&self, other: &KeyPair) -> bool [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:57:42 [INFO] [stderr] | [INFO] [stderr] 57 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> Eq for KeyPair + 'a {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:59:49 [INFO] [stderr] | [INFO] [stderr] 59 | impl<'a, R:Hash+?Sized, C:Hash+?Sized> Hash for KeyPair + 'a [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:86:50 [INFO] [stderr] | [INFO] [stderr] 86 | self.map.get_mut(&BPair(row, column) as &KeyPair) [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:105:55 [INFO] [stderr] | [INFO] [stderr] 105 | self.map.contains_key(&BPair(row, column) as &KeyPair) [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:37:36 [INFO] [stderr] | [INFO] [stderr] 37 | impl<'a, R:'a, C:'a, Q, U> Borrow< KeyPair +'a > for Pair where [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair +'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:43:27 [INFO] [stderr] | [INFO] [stderr] 43 | fn borrow(&self) -> &(KeyPair+'a) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair+'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:49:49 [INFO] [stderr] | [INFO] [stderr] 49 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> PartialEq for KeyPair + 'a [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:51:26 [INFO] [stderr] | [INFO] [stderr] 51 | fn eq(&self, other: &KeyPair) -> bool [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:57:42 [INFO] [stderr] | [INFO] [stderr] 57 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> Eq for KeyPair + 'a {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:59:49 [INFO] [stderr] | [INFO] [stderr] 59 | impl<'a, R:Hash+?Sized, C:Hash+?Sized> Hash for KeyPair + 'a [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:86:50 [INFO] [stderr] | [INFO] [stderr] 86 | self.map.get_mut(&BPair(row, column) as &KeyPair) [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table.rs:105:55 [INFO] [stderr] | [INFO] [stderr] 105 | self.map.contains_key(&BPair(row, column) as &KeyPair) [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/election.rs:105:30 [INFO] [stderr] | [INFO] [stderr] 105 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/election.rs:120:62 [INFO] [stderr] | [INFO] [stderr] 120 | ElectionParseError::AmountParseError(ref e) => e.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/election.rs:105:30 [INFO] [stderr] | [INFO] [stderr] 105 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/election.rs:120:62 [INFO] [stderr] | [INFO] [stderr] 120 | ElectionParseError::AmountParseError(ref e) => e.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `or_insert` [INFO] [stderr] --> src/table.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | / pub fn or_insert(self, val: V) -> &'a mut V [INFO] [stderr] 164 | | where [INFO] [stderr] 165 | | R: Borrow, [INFO] [stderr] 166 | | C: Borrow, [INFO] [stderr] ... | [INFO] [stderr] 174 | | } [INFO] [stderr] 175 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `or_insert` [INFO] [stderr] --> src/table.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | / pub fn or_insert(self, val: V) -> &'a mut V [INFO] [stderr] 164 | | where [INFO] [stderr] 165 | | R: Borrow, [INFO] [stderr] 166 | | C: Borrow, [INFO] [stderr] ... | [INFO] [stderr] 174 | | } [INFO] [stderr] 175 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: module `RankedPairsTests` should have a snake case name [INFO] [stderr] --> src/ranked_pairs.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | mod RankedPairsTests [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ranked_pairs_tests` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "9e23fcb1758f271357d1098fe7330a855a27dbd782d473ddc931d41e62e6cf7a"` [INFO] running `"docker" "rm" "-f" "9e23fcb1758f271357d1098fe7330a855a27dbd782d473ddc931d41e62e6cf7a"` [INFO] [stdout] 9e23fcb1758f271357d1098fe7330a855a27dbd782d473ddc931d41e62e6cf7a