[INFO] cloning repository https://github.com/ga2arch/HSTracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ga2arch/HSTracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac113af597b127984aab41288eca19792d17dc1
[INFO] testing ga2arch/HSTracker against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ga2arch/HSTracker
[INFO] finished tweaking git repo https://github.com/ga2arch/HSTracker
[INFO] tweaked toml for git repo https://github.com/ga2arch/HSTracker written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ga2arch/HSTracker on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ga2arch/HSTracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `hearthstone` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93
[INFO] running `Command { std: "docker" "start" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `hearthstone` (manifest) generated 1 warning
[INFO] [stderr]    Compiling gcc v0.3.8
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling regex v0.1.30
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling yaml v0.2.0
[INFO] [stderr]    Compiling argparse v0.1.3
[INFO] [stderr]    Compiling term v0.2.7
[INFO] [stdout] error[E0432]: unresolved import `std::fs::PathExt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/yaml-0.2.0/build.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{File, PathExt};
[INFO] [stdout]   |                     ^^^^^^^ no `PathExt` in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/yaml-0.2.0/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_ext)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaml` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/lib.rs:370:34
[INFO] [stdout]     |
[INFO] [stdout] 370 | #![cfg_attr(feature = "pattern", feature(core))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::str::pattern::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::str::pattern::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::str::pattern::{Pattern, Searcher, SearchStep};
[INFO] [stdout]    |                                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:987:5
[INFO] [stdout]     |
[INFO] [stdout] 987 |     type Searcher = RegexSearcher<'r, 't>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:989:5
[INFO] [stdout]     |
[INFO] [stdout] 989 |     fn into_searcher(self, haystack: &'t str) -> RegexSearcher<'r, 't> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:986:14
[INFO] [stdout]     |
[INFO] [stdout] 986 | impl<'r, 't> Pattern<'t> for &'r Regex {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1001:5
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     fn haystack(&self) -> &'t str {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1006:5
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn next(&mut self) -> SearchStep {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:999:21
[INFO] [stdout]     |
[INFO] [stdout] 999 | unsafe impl<'r, 't> Searcher<'t> for RegexSearcher<'r, 't> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1006:27
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn next(&mut self) -> SearchStep {
[INFO] [stdout]      |                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1010:20
[INFO] [stdout]      |
[INFO] [stdout] 1010 |             return SearchStep::Match(s, e);
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1017:21
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     SearchStep::Reject(last, self.haystack().len())
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1019:21
[INFO] [stdout]      |
[INFO] [stdout] 1019 |                     SearchStep::Done
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1025:21
[INFO] [stdout]      |
[INFO] [stdout] 1025 |                     SearchStep::Match(s, e)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1030:21
[INFO] [stdout]      |
[INFO] [stdout] 1030 |                     SearchStep::Reject(last, s)
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.15/src/serialize.rs:452:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]     |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]     |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/borrow.rs:169:29
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 448 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]     |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:986:14
[INFO] [stdout]     |
[INFO] [stdout] 986 | impl<'r, 't> Pattern<'t> for &'r Regex {
[INFO] [stdout]     |              ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]     |              |
[INFO] [stdout]     |              expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0195]: lifetime parameters or bounds on associated type `Searcher` do not match the trait declaration
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:987:18
[INFO] [stdout]     |
[INFO] [stdout] 987 |     type Searcher = RegexSearcher<'r, 't>;
[INFO] [stdout]     |                  ^ lifetimes do not match associated type in trait
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/str/pattern.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout]     = note: lifetimes in impl do not match this associated type in trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'t` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:986:10
[INFO] [stdout]     |
[INFO] [stdout] 986 | impl<'r, 't> Pattern<'t> for &'r Regex {
[INFO] [stdout]     |          ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:558:0
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1014:46
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                 if self.last_step_end < self.haystack().len() {
[INFO] [stdout]      |                                              ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1016:47
[INFO] [stdout]      |
[INFO] [stdout] 1016 |                     self.last_step_end = self.haystack().len();
[INFO] [stdout]      |                                               ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `pattern`: API not fully fleshed out and ready to be stabilized
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.1.30/src/re.rs:1017:51
[INFO] [stdout]      |
[INFO] [stdout] 1017 |                     SearchStep::Reject(last, self.haystack().len())
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0195, E0207, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 22 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0277, E0310, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93", kill_on_drop: false }`
[INFO] [stdout] 779a605996cb1c4ff6c4e5db29b89dfabd4dc1150ff9e86e4bcb9524fd891b93
