[INFO] cloning repository https://github.com/AzenForze/RankedPairs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AzenForze/RankedPairs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzenForze%2FRankedPairs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzenForze%2FRankedPairs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 740b4c8508d02a8238a64e8c1ce77c7ab22c5723
[INFO] checking AzenForze/RankedPairs against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzenForze%2FRankedPairs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AzenForze/RankedPairs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AzenForze/RankedPairs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b2512542c8fe637a8b7e29f40513d6c8c6e9ac2f67a040d4496894bb1118ef
[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" "b1b2512542c8fe637a8b7e29f40513d6c8c6e9ac2f67a040d4496894bb1118ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b2512542c8fe637a8b7e29f40513d6c8c6e9ac2f67a040d4496894bb1118ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b2512542c8fe637a8b7e29f40513d6c8c6e9ac2f67a040d4496894bb1118ef", kill_on_drop: false }`
[INFO] [stdout] b1b2512542c8fe637a8b7e29f40513d6c8c6e9ac2f67a040d4496894bb1118ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec32007510029987ede3821e126194d6bcd620d7507b95015d2d7c45243f9fdb
[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" "ec32007510029987ede3821e126194d6bcd620d7507b95015d2d7c45243f9fdb", kill_on_drop: false }`
[INFO] [stderr]     Checking ranked_pairs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a, R:'a, C:'a, Q, U> Borrow< KeyPair<Q,U> +'a > for Pair<R,C> where
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U> +'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn borrow(&self) -> &(KeyPair<Q,U>+'a)
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U>+'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> PartialEq for KeyPair<R,C> + 'a
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a, R:'a, C:'a, Q, U> Borrow< KeyPair<Q,U> +'a > for Pair<R,C> where
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U> +'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn eq(&self, other: &KeyPair<R,C>) -> bool
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> Eq for KeyPair<R,C> + 'a {}
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<'a, R:Hash+?Sized, C:Hash+?Sized> Hash for KeyPair<R,C> + 'a
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:86:50
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.map.get_mut(&BPair(row, column) as &KeyPair<Q,U>)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:105:55
[INFO] [stdout]     |
[INFO] [stdout] 105 |         self.map.contains_key(&BPair(row, column) as &KeyPair<Q, U>)
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q, U>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn borrow(&self) -> &(KeyPair<Q,U>+'a)
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U>+'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> PartialEq for KeyPair<R,C> + 'a
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn eq(&self, other: &KeyPair<R,C>) -> bool
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<'a, R:Eq+?Sized,C:Eq+?Sized> Eq for KeyPair<R,C> + 'a {}
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<'a, R:Hash+?Sized, C:Hash+?Sized> Hash for KeyPair<R,C> + 'a
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<R,C> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:86:50
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.map.get_mut(&BPair(row, column) as &KeyPair<Q,U>)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q,U>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:105:55
[INFO] [stdout]     |
[INFO] [stdout] 105 |         self.map.contains_key(&BPair(row, column) as &KeyPair<Q, U>)
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn KeyPair<Q, U>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/election.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/election.rs:120:62
[INFO] [stdout]     |
[INFO] [stdout] 120 |             ElectionParseError::AmountParseError(ref e) => e.description()
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/election.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/election.rs:120:62
[INFO] [stdout]     |
[INFO] [stdout] 120 |             ElectionParseError::AmountParseError(ref e) => e.description()
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `or_insert`
[INFO] [stdout]    --> src/table.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `or_insert`
[INFO] [stdout]    --> src/table.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RankedPairsTests` should have a snake case name
[INFO] [stdout]    --> src/ranked_pairs.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | mod RankedPairsTests
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ranked_pairs_tests`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ec32007510029987ede3821e126194d6bcd620d7507b95015d2d7c45243f9fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec32007510029987ede3821e126194d6bcd620d7507b95015d2d7c45243f9fdb", kill_on_drop: false }`
[INFO] [stdout] ec32007510029987ede3821e126194d6bcd620d7507b95015d2d7c45243f9fdb
