[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] checking ga2arch/HSTracker against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ga2arch/HSTracker on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ga2arch/HSTracker against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ga2arch/HSTracker on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ga2arch/HSTracker against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fga2arch%2FHSTracker" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ga2arch/HSTracker on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.8
[INFO] [stderr]   Downloaded time v0.1.26
[INFO] [stderr]   Downloaded term v0.2.7
[INFO] [stderr]   Downloaded chrono v0.2.14
[INFO] [stderr]   Downloaded kernel32-sys v0.1.0
[INFO] [stderr]   Downloaded argparse v0.1.3
[INFO] [stderr]   Downloaded yaml v0.2.0
[INFO] [stderr]   Downloaded regex_macros v0.1.18
[INFO] [stderr]   Downloaded winapi v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc681dc02da0e5b6ef72134c75c9d1ec78049258ddc3380f518c5b2903c222b5
[INFO] running `Command { std: "docker" "start" "-a" "fc681dc02da0e5b6ef72134c75c9d1ec78049258ddc3380f518c5b2903c222b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc681dc02da0e5b6ef72134c75c9d1ec78049258ddc3380f518c5b2903c222b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc681dc02da0e5b6ef72134c75c9d1ec78049258ddc3380f518c5b2903c222b5", kill_on_drop: false }`
[INFO] [stdout] fc681dc02da0e5b6ef72134c75c9d1ec78049258ddc3380f518c5b2903c222b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec692856bcf67cb714eb90293cfdef8d40915271b12b3d3d7644f6998b30610
[INFO] running `Command { std: "docker" "start" "-a" "4ec692856bcf67cb714eb90293cfdef8d40915271b12b3d3d7644f6998b30610", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]    Compiling gcc v0.3.8
[INFO] [stderr]    Compiling regex v0.1.30
[INFO] [stderr]    Compiling yaml v0.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.15
[INFO] [stderr]     Checking term v0.2.7
[INFO] [stderr]     Checking argparse v0.1.3
[INFO] [stdout] error[E0432]: unresolved import `std::fs::PathExt`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this 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[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] 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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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] 990 | |         RegexSearcher {
[INFO] [stdout] 991 | |             it: self.find_iter(haystack),
[INFO] [stdout] 992 | |             last_step_end: 0,
[INFO] [stdout] 993 | |             next_match: None,
[INFO] [stdout] 994 | |         }
[INFO] [stdout] 995 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/regex-0.1.30/src/re.rs:1001:5
[INFO] [stdout]      |
[INFO] [stdout] 1001 | /     fn haystack(&self) -> &'t str {
[INFO] [stdout] 1002 | |         self.it.search
[INFO] [stdout] 1003 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/regex-0.1.30/src/re.rs:1006:5
[INFO] [stdout]      |
[INFO] [stdout] 1006 | /     fn next(&mut self) -> SearchStep {
[INFO] [stdout] 1007 | |         if let Some((s, e)) = self.next_match {
[INFO] [stdout] 1008 | |             self.next_match = None;
[INFO] [stdout] 1009 | |             self.last_step_end = e;
[INFO] [stdout] ...    |
[INFO] [stdout] 1033 | |         }
[INFO] [stdout] 1034 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]    = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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] 990 | |         RegexSearcher {
[INFO] [stdout] 991 | |             it: self.find_iter(haystack),
[INFO] [stdout] 992 | |             last_step_end: 0,
[INFO] [stdout] 993 | |             next_match: None,
[INFO] [stdout] 994 | |         }
[INFO] [stdout] 995 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/regex-0.1.30/src/re.rs:1001:5
[INFO] [stdout]      |
[INFO] [stdout] 1001 | /     fn haystack(&self) -> &'t str {
[INFO] [stdout] 1002 | |         self.it.search
[INFO] [stdout] 1003 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/regex-0.1.30/src/re.rs:1006:5
[INFO] [stdout]      |
[INFO] [stdout] 1006 | /     fn next(&mut self) -> SearchStep {
[INFO] [stdout] 1007 | |         if let Some((s, e)) = self.next_match {
[INFO] [stdout] 1008 | |             self.next_match = None;
[INFO] [stdout] 1009 | |             self.last_step_end = e;
[INFO] [stdout] ...    |
[INFO] [stdout] 1033 | |         }
[INFO] [stdout] 1034 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #27721 <https://github.com/rust-lang/rust/issues/27721> for more information
[INFO] [stdout]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]     = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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/09bc67b9158392361780e779d32997f14cc75c39/library/alloc/src/borrow.rs:180:30
[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[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-6f17d22bba15001f/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/09bc67b9158392361780e779d32997f14cc75c39/library/core/src/result.rs:502:1
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[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-6f17d22bba15001f/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]      = help: add `#![feature(pattern)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 19 previous errors
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 19 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ec692856bcf67cb714eb90293cfdef8d40915271b12b3d3d7644f6998b30610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec692856bcf67cb714eb90293cfdef8d40915271b12b3d3d7644f6998b30610", kill_on_drop: false }`
[INFO] [stdout] 4ec692856bcf67cb714eb90293cfdef8d40915271b12b3d3d7644f6998b30610
