[INFO] updating cached repository https://github.com/BurntSushi/rucd
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed9fa514ed44a8920a8cc336f35c1890b9161ee4
[INFO] checking BurntSushi/rucd against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frucd" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BurntSushi/rucd on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BurntSushi/rucd
[INFO] finished tweaking git repo https://github.com/BurntSushi/rucd
[INFO] tweaked toml for git repo https://github.com/BurntSushi/rucd written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/BurntSushi/rucd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] bbb96180c178a9517fae05e90e4bcc797bf77191e494c1b1ef0572d1cf300780
[INFO] running `"docker" "start" "-a" "bbb96180c178a9517fae05e90e4bcc797bf77191e494c1b1ef0572d1cf300780"`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking tabwriter v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking fst v0.3.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking rucd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/name.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     static ref NAMES_WITH_ALIASES: BTreeMap<Codepoint, Names> = {
[INFO] [stderr] 11 | |         let mut map = BTreeMap::new();
[INFO] [stderr] 12 | |         let mut stream = NAMES.stream();
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     };
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/tables/fst/names.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |   pub static ref NAMES: ::fst::Map =
[INFO] [stderr] 11 | |     ::fst::Map::from(::fst::raw::Fst::from_static_slice(
[INFO] [stderr] 12 | |       include_bytes!("names.fst")).unwrap());
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/name.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |     static ref NAMES_WITH_ALIASES: BTreeMap<Codepoint, Names> = {
[INFO] [stderr] 11 | |         let mut map = BTreeMap::new();
[INFO] [stderr] 12 | |         let mut stream = NAMES.stream();
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     };
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/tables/fst/names.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / lazy_static! {
[INFO] [stderr] 10 | |   pub static ref NAMES: ::fst::Map =
[INFO] [stderr] 11 | |     ::fst::Map::from(::fst::raw::Fst::from_static_slice(
[INFO] [stderr] 12 | |       include_bytes!("names.fst")).unwrap());
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:30:39
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Error::Io(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:30:39
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Error::Io(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/name.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let mut entry = map.entry(cp).or_insert(Names::default());
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/name.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let mut entry = map.entry(cp).or_insert(Names::default());
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.57s
[INFO] running `"docker" "inspect" "bbb96180c178a9517fae05e90e4bcc797bf77191e494c1b1ef0572d1cf300780"`
[INFO] running `"docker" "rm" "-f" "bbb96180c178a9517fae05e90e4bcc797bf77191e494c1b1ef0572d1cf300780"`
[INFO] [stdout] bbb96180c178a9517fae05e90e4bcc797bf77191e494c1b1ef0572d1cf300780