[INFO] crate bex 0.1.3 is already in cache
[INFO] checking bex-0.1.3 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate bex 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bex 0.1.3 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bex 0.1.3
[INFO] finished tweaking crates.io crate bex 0.1.3
[INFO] tweaked toml for crates.io crate bex 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate bex 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-9/source/examples/bex-shell.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 35d1758c22eb10bb0073300b2eabed4a3ca9205e46950e350430f76d719369fa
[INFO] running `"docker" "start" "-a" "35d1758c22eb10bb0073300b2eabed4a3ca9205e46950e350430f76d719369fa"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/bex-shell.rs
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking bex v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/base.rs:80:45
[INFO] [stderr]    |
[INFO] [stderr] 80 |   pub fn load(path:&str)->::std::io::Result<(Base)> {
[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 type
[INFO] [stderr]    --> src/bdd.rs:741:45
[INFO] [stderr]     |
[INFO] [stderr] 741 |   pub fn load(path:&str)->::std::io::Result<(BDDBase)> {
[INFO] [stderr]     |                                             ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:224:3
[INFO] [stderr]     |
[INFO] [stderr] 224 |   #[inline] fn get_hilo(&self, n:NID)->HILO;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:226:3
[INFO] [stderr]     |
[INFO] [stderr] 226 |   #[inline] fn get_memo<'a>(&'a self, v:VID, ite:&ITE) -> Option<&'a NID>;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:227:3
[INFO] [stderr]     |
[INFO] [stderr] 227 |   #[inline] fn put_xmemo(&mut self, ite:ITE, new_nid:NID);
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   #[inline] fn get_simple_node<'a>(&'a self, v:VID, hilo:HILO)-> Option<&'a NID>;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:229:3
[INFO] [stderr]     |
[INFO] [stderr] 229 |   #[inline] fn put_simple_node(&mut self, v:VID, hilo:HILO)->NID; }
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/base.rs:80:45
[INFO] [stderr]    |
[INFO] [stderr] 80 |   pub fn load(path:&str)->::std::io::Result<(Base)> {
[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 type
[INFO] [stderr]    --> src/bdd.rs:741:45
[INFO] [stderr]     |
[INFO] [stderr] 741 |   pub fn load(path:&str)->::std::io::Result<(BDDBase)> {
[INFO] [stderr]     |                                             ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:224:3
[INFO] [stderr]     |
[INFO] [stderr] 224 |   #[inline] fn get_hilo(&self, n:NID)->HILO;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:226:3
[INFO] [stderr]     |
[INFO] [stderr] 226 |   #[inline] fn get_memo<'a>(&'a self, v:VID, ite:&ITE) -> Option<&'a NID>;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:227:3
[INFO] [stderr]     |
[INFO] [stderr] 227 |   #[inline] fn put_xmemo(&mut self, ite:ITE, new_nid:NID);
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   #[inline] fn get_simple_node<'a>(&'a self, v:VID, hilo:HILO)-> Option<&'a NID>;
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]    --> src/bdd.rs:229:3
[INFO] [stderr]     |
[INFO] [stderr] 229 |   #[inline] fn put_simple_node(&mut self, v:VID, hilo:HILO)->NID; }
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/bdd.rs:977:12
[INFO] [stderr]     |
[INFO] [stderr] 977 |   let (a,b,c,d) = (nv(0), nv(1), nv(2), nv(3));
[INFO] [stderr]     |            ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> src/bdd.rs:977:14
[INFO] [stderr]     |
[INFO] [stderr] 977 |   let (a,b,c,d) = (nv(0), nv(1), nv(2), nv(3));
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop3`
[INFO] [stderr]   --> examples/bex-shell.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn pop3<T>(data: &mut Vec<T>)->(T,T,T){
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> examples/bex-shell.rs:36:6
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Item { Vid(VID), Nid(NID), Int(u32) }
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop3`
[INFO] [stderr]   --> examples/bex-shell.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn pop3<T>(data: &mut Vec<T>)->(T,T,T){
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> examples/bex-shell.rs:36:6
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Item { Vid(VID), Nid(NID), Int(u32) }
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop3`
[INFO] [stderr]   --> examples/bex-shell.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn pop3<T>(data: &mut Vec<T>)->(T,T,T){
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> examples/bex-shell.rs:36:6
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Item { Vid(VID), Nid(NID), Int(u32) }
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `K`
[INFO] [stderr]   --> examples/bdd-solve.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | const K:u64 = 614889782588491410;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factors`
[INFO] [stderr]   --> examples/bdd-solve.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn factors()->Vec<(u32,u32)> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `K`
[INFO] [stderr]   --> benches/../examples/bdd-solve.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | const K:u64 = 614889782588491410;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factors`
[INFO] [stderr]   --> benches/../examples/bdd-solve.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn factors()->Vec<(u32,u32)> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.72s
[INFO] running `"docker" "inspect" "35d1758c22eb10bb0073300b2eabed4a3ca9205e46950e350430f76d719369fa"`
[INFO] running `"docker" "rm" "-f" "35d1758c22eb10bb0073300b2eabed4a3ca9205e46950e350430f76d719369fa"`
[INFO] [stdout] 35d1758c22eb10bb0073300b2eabed4a3ca9205e46950e350430f76d719369fa