[INFO] fetching crate petgraph 0.4.13...
[INFO] checking petgraph-0.4.13 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate petgraph 0.4.13 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate petgraph 0.4.13 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate petgraph 0.4.13
[INFO] finished tweaking crates.io crate petgraph 0.4.13
[INFO] tweaked toml for crates.io crate petgraph 0.4.13 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 6b107f39bef6dbbd98f1221274c9602add4a462c8591aabbc994eda14f75411b
[INFO] running `"docker" "start" "-a" "6b107f39bef6dbbd98f1221274c9602add4a462c8591aabbc994eda14f75411b"`
[INFO] [stderr]     Checking defmac v0.1.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking petgraph v0.4.13 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         try!(writeln!(f, "{} {{", TYPE[g.is_directed() as usize]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             try!(write!(f, "{}{}", INDENT, g.to_index(node.id())));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 try!(writeln!(f, ""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 try!(write!(f, " [label=\""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 try!(node_fmt(node.weight(), &mut |d| Escaped(d).fmt(f)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(writeln!(f, "\"]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(write!(f, "{}{} {} {}",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(writeln!(f, ""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(writeln!(f, " [label=\"{}\"]", i));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(write!(f, " [label=\""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(edge_fmt(edge.weight(), &mut |d| Escaped(d).fmt(f)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 try!(writeln!(f, "\"]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(writeln!(f, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(self.write_char(c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:174:20
[INFO] [stderr]     |
[INFO] [stderr] 174 |             '"' => try!(self.0.write_char('\\')),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(cb(&fst, f));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     try!(f.write_str(self.sep));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(cb(&elt, f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |               NF: FnMut(&NW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Display) -> fmt::Result`
[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/dot.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |               NF: FnMut(&NW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:98:35
[INFO] [stderr]    |
[INFO] [stderr] 98 |               EF: FnMut(&EW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |               EF: FnMut(&EW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         try!(writeln!(f, "{} {{", TYPE[g.is_directed() as usize]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             try!(write!(f, "{}{}", INDENT, g.to_index(node.id())));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 try!(writeln!(f, ""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 try!(write!(f, " [label=\""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 try!(node_fmt(node.weight(), &mut |d| Escaped(d).fmt(f)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 try!(writeln!(f, "\"]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             try!(write!(f, "{}{} {} {}",
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(writeln!(f, ""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(writeln!(f, " [label=\"{}\"]", i));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(write!(f, " [label=\""));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(edge_fmt(edge.weight(), &mut |d| Escaped(d).fmt(f)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 try!(writeln!(f, "\"]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(writeln!(f, "}}"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(self.write_char(c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dot.rs:174:20
[INFO] [stderr]     |
[INFO] [stderr] 174 |             '"' => try!(self.0.write_char('\\')),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(cb(&fst, f));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     try!(f.write_str(self.sep));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/iter_format.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(cb(&elt, f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |               NF: FnMut(&NW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Display) -> fmt::Result`
[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/dot.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |               NF: FnMut(&NW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:98:35
[INFO] [stderr]    |
[INFO] [stderr] 98 |               EF: FnMut(&EW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dot.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |               EF: FnMut(&EW, &mut FnMut(&Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]    |                                          ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gr`
[INFO] [stderr]    --> benches/stable_graph.rs:198:35
[INFO] [stderr]     |
[INFO] [stderr] 198 |     bench.iter(|| a.retain_nodes(|gr, i| (i.index() + 1) % 3700 != 0));
[INFO] [stderr]     |                                   ^^ help: consider prefixing with an underscore: `_gr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gr`
[INFO] [stderr]    --> benches/stable_graph.rs:205:35
[INFO] [stderr]     |
[INFO] [stderr] 205 |     bench.iter(|| a.retain_edges(|gr, i| (i.index() + 1) % 3700 != 0));
[INFO] [stderr]     |                                   ^^ help: consider prefixing with an underscore: `_gr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `"docker" "inspect" "6b107f39bef6dbbd98f1221274c9602add4a462c8591aabbc994eda14f75411b"`
[INFO] running `"docker" "rm" "-f" "6b107f39bef6dbbd98f1221274c9602add4a462c8591aabbc994eda14f75411b"`
[INFO] [stdout] 6b107f39bef6dbbd98f1221274c9602add4a462c8591aabbc994eda14f75411b