[INFO] fetching crate bert 0.1.0...
[INFO] testing bert-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bert 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate bert 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bert 0.1.0
[INFO] finished tweaking crates.io crate bert 0.1.0
[INFO] tweaked toml for crates.io crate bert 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ebc924837b84f53a1d35f3ffa8fe05bf9baedeb97f4878c69b07d63916d9752
[INFO] running `Command { std: "docker" "start" "-a" "3ebc924837b84f53a1d35f3ffa8fe05bf9baedeb97f4878c69b07d63916d9752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ebc924837b84f53a1d35f3ffa8fe05bf9baedeb97f4878c69b07d63916d9752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebc924837b84f53a1d35f3ffa8fe05bf9baedeb97f4878c69b07d63916d9752", kill_on_drop: false }`
[INFO] [stdout] 3ebc924837b84f53a1d35f3ffa8fe05bf9baedeb97f4878c69b07d63916d9752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb844a36f8e59fa522df5aeb133f6502d422f9fdab2424fa45425be41ace76bc
[INFO] running `Command { std: "docker" "start" "-a" "fb844a36f8e59fa522df5aeb133f6502d422f9fdab2424fa45425be41ace76bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling bert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(self.writer.write_all(&[*byte]))
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:478:17
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 try!(self.writer.write_all(bert_nil_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:505:17
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 try!(self.writer.write_all(nil.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:767:9
[INFO] [stdout]     |
[INFO] [stdout] 767 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:770:13
[INFO] [stdout]     |
[INFO] [stdout] 770 |             try!(self.writer.write_all(&[*byte]))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:815:17
[INFO] [stdout]     |
[INFO] [stdout] 815 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:818:17
[INFO] [stdout]     |
[INFO] [stdout] 818 |                 try!(self.writer.write_all(structure_name_atom.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:831:9
[INFO] [stdout]     |
[INFO] [stdout] 831 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:834:9
[INFO] [stdout]     |
[INFO] [stdout] 834 |         try!(self.writer.write_all(enum_atom.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:837:9
[INFO] [stdout]     |
[INFO] [stdout] 837 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:840:9
[INFO] [stdout]     |
[INFO] [stdout] 840 |         try!(self.writer.write_all(variant_atom.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:862:17
[INFO] [stdout]     |
[INFO] [stdout] 862 |                 try!(self.writer.write_all(bert_nil_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:868:17
[INFO] [stdout]     |
[INFO] [stdout] 868 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:889:17
[INFO] [stdout]     |
[INFO] [stdout] 889 |                 try!(self.writer.write_all(nil.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:905:17
[INFO] [stdout]     |
[INFO] [stdout] 905 |                 try!(self.writer.write_all(empty_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/serializers.rs:908:14
[INFO] [stdout]     |
[INFO] [stdout] 908 |             1...255 => {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:910:17
[INFO] [stdout]     |
[INFO] [stdout] 910 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:916:17
[INFO] [stdout]     |
[INFO] [stdout] 916 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:942:9
[INFO] [stdout]     |
[INFO] [stdout] 942 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:945:9
[INFO] [stdout]     |
[INFO] [stdout] 945 |         try!(self.writer.write_all(structure_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:970:9
[INFO] [stdout]     |
[INFO] [stdout] 970 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:973:9
[INFO] [stdout]     |
[INFO] [stdout] 973 |         try!(self.writer.write_all(enum_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 978 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:981:9
[INFO] [stdout]     |
[INFO] [stdout] 981 |         try!(self.writer.write_all(variant_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1005:9
[INFO] [stdout]      |
[INFO] [stdout] 1005 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1006:9
[INFO] [stdout]      |
[INFO] [stdout] 1006 |         try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1007:9
[INFO] [stdout]      |
[INFO] [stdout] 1007 |         try!(self.writer.write_all(dict_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1023:9
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         try!(self.writer.write_all(list_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |         try!(self.writer.write_all(tuple_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1049:13
[INFO] [stdout]      |
[INFO] [stdout] 1049 |             try!(self.writer.write_all(nil_atom.as_slice()));
[INFO] [stdout]      |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1063:17
[INFO] [stdout]      |
[INFO] [stdout] 1063 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1064:17
[INFO] [stdout]      |
[INFO] [stdout] 1064 |                 try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1065:17
[INFO] [stdout]      |
[INFO] [stdout] 1065 |                 try!(self.writer.write_all(time_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1071:17
[INFO] [stdout]      |
[INFO] [stdout] 1071 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1072:17
[INFO] [stdout]      |
[INFO] [stdout] 1072 |                 try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1073:17
[INFO] [stdout]      |
[INFO] [stdout] 1073 |                 try!(self.writer.write_all(regex_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1079:17
[INFO] [stdout]      |
[INFO] [stdout] 1079 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1082:17
[INFO] [stdout]      |
[INFO] [stdout] 1082 |                 try!(self.writer.write_all(structure_name_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1095:9
[INFO] [stdout]      |
[INFO] [stdout] 1095 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1098:9
[INFO] [stdout]      |
[INFO] [stdout] 1098 |         try!(self.writer.write_all(field_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1115:9
[INFO] [stdout]      |
[INFO] [stdout] 1115 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1118:9
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         try!(self.writer.write_all(enum_name.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1123:9
[INFO] [stdout]      |
[INFO] [stdout] 1123 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1126:9
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         try!(self.writer.write_all(variant_name.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1138:9
[INFO] [stdout]      |
[INFO] [stdout] 1138 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |         try!(self.writer.write_all(field_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1159:5
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     try!(value.serialize(&mut ser));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1168:5
[INFO] [stdout]      |
[INFO] [stdout] 1168 |     try!(to_writer(&mut writer, value));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1179:16
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     let data = try!(to_vec(value));
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/wrappers.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |             0...255 => {
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "fb844a36f8e59fa522df5aeb133f6502d422f9fdab2424fa45425be41ace76bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb844a36f8e59fa522df5aeb133f6502d422f9fdab2424fa45425be41ace76bc", kill_on_drop: false }`
[INFO] [stdout] fb844a36f8e59fa522df5aeb133f6502d422f9fdab2424fa45425be41ace76bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a7ce1a5737ce0db774ff206e20797dd37f5813bc5612a3eae5a0e3a71342ac
[INFO] running `Command { std: "docker" "start" "-a" "96a7ce1a5737ce0db774ff206e20797dd37f5813bc5612a3eae5a0e3a71342ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.8.9
[INFO] [stderr]    Compiling quasi v0.20.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(self.writer.write_all(&[*byte]))
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:478:17
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 try!(self.writer.write_all(bert_nil_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:505:17
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 try!(self.writer.write_all(nil.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:767:9
[INFO] [stdout]     |
[INFO] [stdout] 767 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:770:13
[INFO] [stdout]     |
[INFO] [stdout] 770 |             try!(self.writer.write_all(&[*byte]))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:815:17
[INFO] [stdout]     |
[INFO] [stdout] 815 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:818:17
[INFO] [stdout]     |
[INFO] [stdout] 818 |                 try!(self.writer.write_all(structure_name_atom.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:831:9
[INFO] [stdout]     |
[INFO] [stdout] 831 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:834:9
[INFO] [stdout]     |
[INFO] [stdout] 834 |         try!(self.writer.write_all(enum_atom.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:837:9
[INFO] [stdout]     |
[INFO] [stdout] 837 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:840:9
[INFO] [stdout]     |
[INFO] [stdout] 840 |         try!(self.writer.write_all(variant_atom.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:862:17
[INFO] [stdout]     |
[INFO] [stdout] 862 |                 try!(self.writer.write_all(bert_nil_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:868:17
[INFO] [stdout]     |
[INFO] [stdout] 868 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:889:17
[INFO] [stdout]     |
[INFO] [stdout] 889 |                 try!(self.writer.write_all(nil.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:905:17
[INFO] [stdout]     |
[INFO] [stdout] 905 |                 try!(self.writer.write_all(empty_tuple.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/serializers.rs:908:14
[INFO] [stdout]     |
[INFO] [stdout] 908 |             1...255 => {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:910:17
[INFO] [stdout]     |
[INFO] [stdout] 910 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:916:17
[INFO] [stdout]     |
[INFO] [stdout] 916 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:942:9
[INFO] [stdout]     |
[INFO] [stdout] 942 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:945:9
[INFO] [stdout]     |
[INFO] [stdout] 945 |         try!(self.writer.write_all(structure_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:970:9
[INFO] [stdout]     |
[INFO] [stdout] 970 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:973:9
[INFO] [stdout]     |
[INFO] [stdout] 973 |         try!(self.writer.write_all(enum_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 978 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializers.rs:981:9
[INFO] [stdout]     |
[INFO] [stdout] 981 |         try!(self.writer.write_all(variant_name.as_slice()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1005:9
[INFO] [stdout]      |
[INFO] [stdout] 1005 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1006:9
[INFO] [stdout]      |
[INFO] [stdout] 1006 |         try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1007:9
[INFO] [stdout]      |
[INFO] [stdout] 1007 |         try!(self.writer.write_all(dict_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1023:9
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         try!(self.writer.write_all(list_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |         try!(self.writer.write_all(tuple_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1049:13
[INFO] [stdout]      |
[INFO] [stdout] 1049 |             try!(self.writer.write_all(nil_atom.as_slice()));
[INFO] [stdout]      |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1063:17
[INFO] [stdout]      |
[INFO] [stdout] 1063 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1064:17
[INFO] [stdout]      |
[INFO] [stdout] 1064 |                 try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1065:17
[INFO] [stdout]      |
[INFO] [stdout] 1065 |                 try!(self.writer.write_all(time_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1071:17
[INFO] [stdout]      |
[INFO] [stdout] 1071 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1072:17
[INFO] [stdout]      |
[INFO] [stdout] 1072 |                 try!(self.writer.write_all(bert_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1073:17
[INFO] [stdout]      |
[INFO] [stdout] 1073 |                 try!(self.writer.write_all(regex_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1079:17
[INFO] [stdout]      |
[INFO] [stdout] 1079 |                 try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1082:17
[INFO] [stdout]      |
[INFO] [stdout] 1082 |                 try!(self.writer.write_all(structure_name_atom.as_slice()));
[INFO] [stdout]      |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1095:9
[INFO] [stdout]      |
[INFO] [stdout] 1095 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1098:9
[INFO] [stdout]      |
[INFO] [stdout] 1098 |         try!(self.writer.write_all(field_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1115:9
[INFO] [stdout]      |
[INFO] [stdout] 1115 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1118:9
[INFO] [stdout]      |
[INFO] [stdout] 1118 |         try!(self.writer.write_all(enum_name.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1123:9
[INFO] [stdout]      |
[INFO] [stdout] 1123 |         try!(self.writer.write_all(variant_header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1126:9
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         try!(self.writer.write_all(variant_name.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1138:9
[INFO] [stdout]      |
[INFO] [stdout] 1138 |         try!(self.writer.write_all(header.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1141:9
[INFO] [stdout]      |
[INFO] [stdout] 1141 |         try!(self.writer.write_all(field_atom.as_slice()));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1159:5
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     try!(value.serialize(&mut ser));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1168:5
[INFO] [stdout]      |
[INFO] [stdout] 1168 |     try!(to_writer(&mut writer, value));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/serializers.rs:1179:16
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     let data = try!(to_vec(value));
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/wrappers.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |             0...255 => {
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.20.1/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_codegen_internals-0.8.9/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quasi` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.27.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "96a7ce1a5737ce0db774ff206e20797dd37f5813bc5612a3eae5a0e3a71342ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a7ce1a5737ce0db774ff206e20797dd37f5813bc5612a3eae5a0e3a71342ac", kill_on_drop: false }`
[INFO] [stdout] 96a7ce1a5737ce0db774ff206e20797dd37f5813bc5612a3eae5a0e3a71342ac