[INFO] crate standalone-syn 0.13.0 is already in cache
[INFO] checking standalone-syn-0.13.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate standalone-syn 0.13.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate standalone-syn 0.13.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate standalone-syn 0.13.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate standalone-syn 0.13.0
[INFO] tweaked toml for crates.io crate standalone-syn 0.13.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0a6252c080abe9d14357ec312992b9bbef78c349f8d3665c4141fadb1af1d32
[INFO] running `Command { std: "docker" "start" "-a" "b0a6252c080abe9d14357ec312992b9bbef78c349f8d3665c4141fadb1af1d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a6252c080abe9d14357ec312992b9bbef78c349f8d3665c4141fadb1af1d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a6252c080abe9d14357ec312992b9bbef78c349f8d3665c4141fadb1af1d32", kill_on_drop: false }`
[INFO] [stdout] b0a6252c080abe9d14357ec312992b9bbef78c349f8d3665c4141fadb1af1d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e00b4b95bed66fd0b9215b3f65db36a242d4c809081e1895f59eb53582d7aa8
[INFO] running `Command { std: "docker" "start" "-a" "9e00b4b95bed66fd0b9215b3f65db36a242d4c809081e1895f59eb53582d7aa8", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking standalone-quote v0.5.0
[INFO] [stderr]     Checking standalone-syn v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         /// contain a `+` character.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         ///
[INFO] [stdout]     |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:584:21
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 b'0'...b'9' => if number_is_int(&value) {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:892:17
[INFO] [stdout]     |
[INFO] [stdout] 892 |             b'0'...b'9' => b0 - b'0',
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:893:17
[INFO] [stdout]     |
[INFO] [stdout] 893 |             b'a'...b'f' => 10 + (b0 - b'a'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:894:17
[INFO] [stdout]     |
[INFO] [stdout] 894 |             b'A'...b'F' => 10 + (b0 - b'A'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:898:17
[INFO] [stdout]     |
[INFO] [stdout] 898 |             b'0'...b'9' => b1 - b'0',
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:899:17
[INFO] [stdout]     |
[INFO] [stdout] 899 |             b'a'...b'f' => 10 + (b1 - b'a'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:900:17
[INFO] [stdout]     |
[INFO] [stdout] 900 |             b'A'...b'F' => 10 + (b1 - b'A'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:916:21
[INFO] [stdout]     |
[INFO] [stdout] 916 |                 b'0'...b'9' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:921:21
[INFO] [stdout]     |
[INFO] [stdout] 921 |                 b'a'...b'f' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:926:21
[INFO] [stdout]     |
[INFO] [stdout] 926 |                 b'A'...b'F' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:959:18
[INFO] [stdout]     |
[INFO] [stdout] 959 |             (b'0'...b'9', _) => 10,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:967:21
[INFO] [stdout]     |
[INFO] [stdout] 967 |                 b'0'...b'9' => u64::from(b - b'0'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:968:21
[INFO] [stdout]     |
[INFO] [stdout] 968 |                 b'a'...b'f' if base > 10 => 10 + u64::from(b - b'a'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |                 b'A'...b'F' if base > 10 => 10 + u64::from(b - b'A'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Display::fmt(self.description(), f)
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         /// contain a `+` character.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         ///
[INFO] [stdout]     |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:584:21
[INFO] [stdout]     |
[INFO] [stdout] 584 |                 b'0'...b'9' => if number_is_int(&value) {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:892:17
[INFO] [stdout]     |
[INFO] [stdout] 892 |             b'0'...b'9' => b0 - b'0',
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:893:17
[INFO] [stdout]     |
[INFO] [stdout] 893 |             b'a'...b'f' => 10 + (b0 - b'a'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:894:17
[INFO] [stdout]     |
[INFO] [stdout] 894 |             b'A'...b'F' => 10 + (b0 - b'A'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:898:17
[INFO] [stdout]     |
[INFO] [stdout] 898 |             b'0'...b'9' => b1 - b'0',
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:899:17
[INFO] [stdout]     |
[INFO] [stdout] 899 |             b'a'...b'f' => 10 + (b1 - b'a'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:900:17
[INFO] [stdout]     |
[INFO] [stdout] 900 |             b'A'...b'F' => 10 + (b1 - b'A'),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:916:21
[INFO] [stdout]     |
[INFO] [stdout] 916 |                 b'0'...b'9' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:921:21
[INFO] [stdout]     |
[INFO] [stdout] 921 |                 b'a'...b'f' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:926:21
[INFO] [stdout]     |
[INFO] [stdout] 926 |                 b'A'...b'F' => {
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:959:18
[INFO] [stdout]     |
[INFO] [stdout] 959 |             (b'0'...b'9', _) => 10,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:967:21
[INFO] [stdout]     |
[INFO] [stdout] 967 |                 b'0'...b'9' => u64::from(b - b'0'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:968:21
[INFO] [stdout]     |
[INFO] [stdout] 968 |                 b'a'...b'f' if base > 10 => 10 + u64::from(b - b'a'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lit.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |                 b'A'...b'F' if base > 10 => 10 + u64::from(b - b'A'),
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Display::fmt(self.description(), f)
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "9e00b4b95bed66fd0b9215b3f65db36a242d4c809081e1895f59eb53582d7aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e00b4b95bed66fd0b9215b3f65db36a242d4c809081e1895f59eb53582d7aa8", kill_on_drop: false }`
[INFO] [stdout] 9e00b4b95bed66fd0b9215b3f65db36a242d4c809081e1895f59eb53582d7aa8