[INFO] fetching crate lhef 0.3.0...
[INFO] checking lhef-0.3.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lhef 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lhef 0.3.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lhef 0.3.0
[INFO] finished tweaking crates.io crate lhef 0.3.0
[INFO] tweaked toml for crates.io crate lhef 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 4c42c31a0a5ae4b8e139fb4ea03aa090443664a008974a9ae0d1d3d9e8182b73
[INFO] running `"docker" "start" "-a" "4c42c31a0a5ae4b8e139fb4ea03aa090443664a008974a9ae0d1d3d9e8182b73"`
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking xmltree v0.7.0
[INFO] [stderr]     Checking lhef v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:137:56
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(mut stream: T) -> Result<Reader<T>, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:185:60
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn hepeup(&mut self) -> Result<Option<HEPEUP>, Box<error::Error>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 | ) -> Result<&'static str, Box<error::Error>> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:52
[INFO] [stderr]     |
[INFO] [stderr] 226 | ) -> Result<(String, Option<XmlTree>, String), Box<error::Error>> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:261:21
[INFO] [stderr]     |
[INFO] [stderr] 261 | ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:272:62
[INFO] [stderr]     |
[INFO] [stderr] 272 | fn parse<T>(name: &str, text: Option<&str>) -> Result<T, Box<error::Error>>
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:60
[INFO] [stderr]     |
[INFO] [stderr] 286 | fn extract_xml_attr_str(xml_tag: &str) -> Result<&str, Box<error::Error>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:39
[INFO] [stderr]     |
[INFO] [stderr] 309 | ) -> Result<(Option<Attr>, &str), Box<error::Error>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:338:59
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn extract_xml_attr(xml_tag: &str) -> Result<XmlAttr, Box<error::Error>> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:359:25
[INFO] [stderr]     |
[INFO] [stderr] 359 | ) -> Result<HEPRUP, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:428:25
[INFO] [stderr]     |
[INFO] [stderr] 428 | ) -> Result<HEPEUP, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:549:32
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:655:32
[INFO] [stderr]     |
[INFO] [stderr] 655 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:684:32
[INFO] [stderr]     |
[INFO] [stderr] 684 |     ) -> Result<Writer<T>, Box<error::Error>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:697:25
[INFO] [stderr]     |
[INFO] [stderr] 697 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:705:50
[INFO] [stderr]     |
[INFO] [stderr] 705 |     fn ok_unless_failed(&self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:723:62
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn header(&mut self, header: &str) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:773:25
[INFO] [stderr]     |
[INFO] [stderr] 773 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:843:25
[INFO] [stderr]     |
[INFO] [stderr] 843 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:933:64
[INFO] [stderr]     |
[INFO] [stderr] 933 |     pub fn hepeup(&mut self, event: &HEPEUP) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1013:48
[INFO] [stderr]      |
[INFO] [stderr] 1013 |     pub fn finish(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:137:56
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(mut stream: T) -> Result<Reader<T>, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:185:60
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn hepeup(&mut self) -> Result<Option<HEPEUP>, Box<error::Error>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 | ) -> Result<&'static str, Box<error::Error>> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:226:52
[INFO] [stderr]     |
[INFO] [stderr] 226 | ) -> Result<(String, Option<XmlTree>, String), Box<error::Error>> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:261:21
[INFO] [stderr]     |
[INFO] [stderr] 261 | ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:272:62
[INFO] [stderr]     |
[INFO] [stderr] 272 | fn parse<T>(name: &str, text: Option<&str>) -> Result<T, Box<error::Error>>
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:60
[INFO] [stderr]     |
[INFO] [stderr] 286 | fn extract_xml_attr_str(xml_tag: &str) -> Result<&str, Box<error::Error>> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:39
[INFO] [stderr]     |
[INFO] [stderr] 309 | ) -> Result<(Option<Attr>, &str), Box<error::Error>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:338:59
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn extract_xml_attr(xml_tag: &str) -> Result<XmlAttr, Box<error::Error>> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:359:25
[INFO] [stderr]     |
[INFO] [stderr] 359 | ) -> Result<HEPRUP, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:428:25
[INFO] [stderr]     |
[INFO] [stderr] 428 | ) -> Result<HEPEUP, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:549:32
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:655:32
[INFO] [stderr]     |
[INFO] [stderr] 655 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:684:32
[INFO] [stderr]     |
[INFO] [stderr] 684 |     ) -> Result<Writer<T>, Box<error::Error>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:697:25
[INFO] [stderr]     |
[INFO] [stderr] 697 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:705:50
[INFO] [stderr]     |
[INFO] [stderr] 705 |     fn ok_unless_failed(&self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:723:62
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn header(&mut self, header: &str) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:773:25
[INFO] [stderr]     |
[INFO] [stderr] 773 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:843:25
[INFO] [stderr]     |
[INFO] [stderr] 843 |     ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:933:64
[INFO] [stderr]     |
[INFO] [stderr] 933 |     pub fn hepeup(&mut self, event: &HEPEUP) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1013:48
[INFO] [stderr]      |
[INFO] [stderr] 1013 |     pub fn finish(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "4c42c31a0a5ae4b8e139fb4ea03aa090443664a008974a9ae0d1d3d9e8182b73"`
[INFO] running `"docker" "rm" "-f" "4c42c31a0a5ae4b8e139fb4ea03aa090443664a008974a9ae0d1d3d9e8182b73"`
[INFO] [stdout] 4c42c31a0a5ae4b8e139fb4ea03aa090443664a008974a9ae0d1d3d9e8182b73