[INFO] fetching crate cht 0.1.1... [INFO] extracting crate cht 0.1.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/cht/0.1.1 [INFO] extracting crate cht 0.1.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/cht/0.1.1 [INFO] validating manifest of cht-0.1.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cht-0.1.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cht-0.1.1 [INFO] finished frobbing cht-0.1.1 [INFO] frobbed toml for cht-0.1.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/cht/0.1.1/Cargo.toml [INFO] started frobbing cht-0.1.1 [INFO] finished frobbing cht-0.1.1 [INFO] frobbed toml for cht-0.1.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/cht/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking cht-0.1.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/cht/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d3b90cdf7850c7388551b6c56cdc15d63f02462b7352367180d01ac52c0d03d0 [INFO] running `"docker" "start" "-a" "d3b90cdf7850c7388551b6c56cdc15d63f02462b7352367180d01ac52c0d03d0"` [INFO] [stderr] Checking cht v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `HashSet` [INFO] [stderr] --> src/set.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub struct HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/set.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn new() -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/set.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn with_capacity(capacity: usize) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_hasher` [INFO] [stderr] --> src/set.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn with_hasher(hash_builder: S) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity_and_hasher` [INFO] [stderr] --> src/set.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn with_capacity_and_hasher(capacity: usize, hash_builder: S) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `capacity` [INFO] [stderr] --> src/set.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn capacity(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/set.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/set.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `contains` [INFO] [stderr] --> src/set.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | / pub fn contains(&self, value: &Q) -> bool [INFO] [stderr] 72 | | where [INFO] [stderr] 73 | | T: Borrow, [INFO] [stderr] 74 | | { [INFO] [stderr] 75 | | self.map.get_and(value, |_| ()).is_some() [INFO] [stderr] 76 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/set.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | / pub fn get(&self, value: &Q) -> Option [INFO] [stderr] 79 | | where [INFO] [stderr] 80 | | T: Borrow + Clone, [INFO] [stderr] 81 | | { [INFO] [stderr] 82 | | self.map.get_key_value(value).map(|(k, _)| k) [INFO] [stderr] 83 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/set.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn insert(&self, value: T) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `replace` [INFO] [stderr] --> src/set.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | / pub fn replace(&self, value: T) -> Option [INFO] [stderr] 90 | | where [INFO] [stderr] 91 | | T: Clone, [INFO] [stderr] 92 | | { [INFO] [stderr] 93 | | self.map.insert_entry(value, ()).map(|(k, _)| k) [INFO] [stderr] 94 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/set.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | / pub fn remove(&self, value: &Q) -> bool [INFO] [stderr] 97 | | where [INFO] [stderr] 98 | | T: Borrow + Clone, [INFO] [stderr] 99 | | { [INFO] [stderr] 100 | | self.map.remove_and(value, |_| ()).is_some() [INFO] [stderr] 101 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HashSet` [INFO] [stderr] --> src/set.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub struct HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/set.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn new() -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/set.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn with_capacity(capacity: usize) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_hasher` [INFO] [stderr] --> src/set.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn with_hasher(hash_builder: S) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity_and_hasher` [INFO] [stderr] --> src/set.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn with_capacity_and_hasher(capacity: usize, hash_builder: S) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `capacity` [INFO] [stderr] --> src/set.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn capacity(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/set.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/set.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `contains` [INFO] [stderr] --> src/set.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | / pub fn contains(&self, value: &Q) -> bool [INFO] [stderr] 72 | | where [INFO] [stderr] 73 | | T: Borrow, [INFO] [stderr] 74 | | { [INFO] [stderr] 75 | | self.map.get_and(value, |_| ()).is_some() [INFO] [stderr] 76 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/set.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | / pub fn get(&self, value: &Q) -> Option [INFO] [stderr] 79 | | where [INFO] [stderr] 80 | | T: Borrow + Clone, [INFO] [stderr] 81 | | { [INFO] [stderr] 82 | | self.map.get_key_value(value).map(|(k, _)| k) [INFO] [stderr] 83 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/set.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn insert(&self, value: T) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `replace` [INFO] [stderr] --> src/set.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | / pub fn replace(&self, value: T) -> Option [INFO] [stderr] 90 | | where [INFO] [stderr] 91 | | T: Clone, [INFO] [stderr] 92 | | { [INFO] [stderr] 93 | | self.map.insert_entry(value, ()).map(|(k, _)| k) [INFO] [stderr] 94 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/set.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | / pub fn remove(&self, value: &Q) -> bool [INFO] [stderr] 97 | | where [INFO] [stderr] 98 | | T: Borrow + Clone, [INFO] [stderr] 99 | | { [INFO] [stderr] 100 | | self.map.remove_and(value, |_| ()).is_some() [INFO] [stderr] 101 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> benches/mutex.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | / fn get(&self, key: &Q) -> Option>> [INFO] [stderr] 60 | | where [INFO] [stderr] 61 | | K: Borrow, [INFO] [stderr] 62 | | { [INFO] [stderr] 63 | | let guard = self.map.read(); [INFO] [stderr] 64 | | guard.get(key).cloned() [INFO] [stderr] 65 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.19s [INFO] running `"docker" "inspect" "d3b90cdf7850c7388551b6c56cdc15d63f02462b7352367180d01ac52c0d03d0"` [INFO] running `"docker" "rm" "-f" "d3b90cdf7850c7388551b6c56cdc15d63f02462b7352367180d01ac52c0d03d0"` [INFO] [stdout] d3b90cdf7850c7388551b6c56cdc15d63f02462b7352367180d01ac52c0d03d0