[INFO] cloning repository https://github.com/softprops/crate-label
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softprops/crate-label" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fcrate-label", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fcrate-label'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51907bb3a2650bd3f7227998da4d7bea2ae2bf7
[INFO] checking softprops/crate-label against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fcrate-label" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/softprops/crate-label on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/softprops/crate-label
[INFO] finished tweaking git repo https://github.com/softprops/crate-label
[INFO] tweaked toml for git repo https://github.com/softprops/crate-label written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/softprops/crate-label already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime v0.0.10
[INFO] [stderr]   Downloaded typeable v0.1.1
[INFO] [stderr]   Downloaded cookie v0.1.18
[INFO] [stderr]   Downloaded time v0.1.24
[INFO] [stderr]   Downloaded handlebars-iron v0.6.2
[INFO] [stderr]   Downloaded typemap v0.2.1
[INFO] [stderr]   Downloaded iron v0.1.16
[INFO] [stderr]   Downloaded num_cpus v0.2.2
[INFO] [stderr]   Downloaded router v0.0.10
[INFO] [stderr]   Downloaded handlebars v0.6.13
[INFO] [stderr]   Downloaded openssl-sys v0.6.0
[INFO] [stderr]   Downloaded hyper v0.3.14
[INFO] [stderr]   Downloaded plugin v0.2.5
[INFO] [stderr]   Downloaded httparse v0.1.1
[INFO] [stderr]   Downloaded openssl v0.6.0
[INFO] [stderr]   Downloaded pkg-config v0.3.3
[INFO] [stderr]   Downloaded lazy_static v0.1.10
[INFO] [stderr]   Downloaded regex v0.1.28
[INFO] [stderr]   Downloaded url v0.2.29
[INFO] [stderr]   Downloaded unsafe-any v0.3.0
[INFO] [stderr]   Downloaded regex_macros v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4feb483b5b47ce16c469ec6be8fa12a40698aee8d550ae29274ffe509ecd0d02
[INFO] running `Command { std: "docker" "start" "-a" "4feb483b5b47ce16c469ec6be8fa12a40698aee8d550ae29274ffe509ecd0d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4feb483b5b47ce16c469ec6be8fa12a40698aee8d550ae29274ffe509ecd0d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feb483b5b47ce16c469ec6be8fa12a40698aee8d550ae29274ffe509ecd0d02", kill_on_drop: false }`
[INFO] [stdout] 4feb483b5b47ce16c469ec6be8fa12a40698aee8d550ae29274ffe509ecd0d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f592e1aee232c10d8cd8f645250d0d2bb05211d09606737f7004b2b40ccd8b7
[INFO] running `Command { std: "docker" "start" "-a" "1f592e1aee232c10d8cd8f645250d0d2bb05211d09606737f7004b2b40ccd8b7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.6
[INFO] [stderr]    Compiling gcc v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.3
[INFO] [stderr]     Checking rustc-serialize v0.3.12
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking lazy_static v0.1.10
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking typeable v0.1.1
[INFO] [stderr]     Checking unicase v0.1.0
[INFO] [stderr]     Checking httparse v0.1.1
[INFO] [stderr]    Compiling regex v0.1.28
[INFO] [stderr]     Checking route-recognizer v0.1.11
[INFO] [stderr]     Checking unsafe-any v0.3.0
[INFO] [stderr]     Checking error v0.1.7
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString};
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `AsOsStr` in `ffi`
[INFO] [stdout]    |                help: a similar name exists in the module: `OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/json.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 | use std::num::{Float, Int};
[INFO] [stdout]     |                ^^^^^  ^^^ no `Int` in `num`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `Float` in `num`
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:976:5
[INFO] [stdout]     |
[INFO] [stdout] 976 |     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:978:5
[INFO] [stdout]     |
[INFO] [stdout] 978 | /     fn into_searcher(self, haystack: &'t str) -> RegexSearcher<'r, 't> {
[INFO] [stdout] 979 | |         RegexSearcher {
[INFO] [stdout] 980 | |             it: self.find_iter(haystack),
[INFO] [stdout] 981 | |             last_step_end: 0,
[INFO] [stdout] 982 | |             next_match: None,
[INFO] [stdout] 983 | |         }
[INFO] [stdout] 984 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:975:14
[INFO] [stdout]     |
[INFO] [stdout] 975 | 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 | /     fn haystack(&self) -> &'t str {
[INFO] [stdout] 991 | |         self.it.search
[INFO] [stdout] 992 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:995:5
[INFO] [stdout]      |
[INFO] [stdout] 995  | /     fn next(&mut self) -> SearchStep {
[INFO] [stdout] 996  | |         if let Some((s, e)) = self.next_match {
[INFO] [stdout] 997  | |             self.next_match = None;
[INFO] [stdout] 998  | |             self.last_step_end = e;
[INFO] [stdout] ...    |
[INFO] [stdout] 1022 | |         }
[INFO] [stdout] 1023 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:988:21
[INFO] [stdout]     |
[INFO] [stdout] 988 | 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:995:27
[INFO] [stdout]     |
[INFO] [stdout] 995 |     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:999:20
[INFO] [stdout]     |
[INFO] [stdout] 999 |             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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1006:21
[INFO] [stdout]      |
[INFO] [stdout] 1006 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1008:21
[INFO] [stdout]      |
[INFO] [stdout] 1008 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1014:21
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1019:21
[INFO] [stdout]      |
[INFO] [stdout] 1019 |                     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] 
[INFO] [stdout] 
[INFO] [stderr]     Checking typemap v0.2.1
[INFO] [stderr]     Checking log v0.3.1
[INFO] [stderr]     Checking num_cpus v0.2.2
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:976:5
[INFO] [stdout]     |
[INFO] [stdout] 976 |     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:978:5
[INFO] [stdout]     |
[INFO] [stdout] 978 | /     fn into_searcher(self, haystack: &'t str) -> RegexSearcher<'r, 't> {
[INFO] [stdout] 979 | |         RegexSearcher {
[INFO] [stdout] 980 | |             it: self.find_iter(haystack),
[INFO] [stdout] 981 | |             last_step_end: 0,
[INFO] [stdout] 982 | |             next_match: None,
[INFO] [stdout] 983 | |         }
[INFO] [stdout] 984 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:975:14
[INFO] [stdout]     |
[INFO] [stdout] 975 | 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 | /     fn haystack(&self) -> &'t str {
[INFO] [stdout] 991 | |         self.it.search
[INFO] [stdout] 992 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:995:5
[INFO] [stdout]      |
[INFO] [stdout] 995  | /     fn next(&mut self) -> SearchStep {
[INFO] [stdout] 996  | |         if let Some((s, e)) = self.next_match {
[INFO] [stdout] 997  | |             self.next_match = None;
[INFO] [stdout] 998  | |             self.last_step_end = e;
[INFO] [stdout] ...    |
[INFO] [stdout] 1022 | |         }
[INFO] [stdout] 1023 | |     }
[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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:988:21
[INFO] [stdout]     |
[INFO] [stdout] 988 | 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:995:27
[INFO] [stdout]     |
[INFO] [stdout] 995 |     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:999:20
[INFO] [stdout]     |
[INFO] [stdout] 999 |             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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1006:21
[INFO] [stdout]      |
[INFO] [stdout] 1006 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1008:21
[INFO] [stdout]      |
[INFO] [stdout] 1008 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1014:21
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1019:21
[INFO] [stdout]      |
[INFO] [stdout] 1019 |                     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] 
[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/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:200:41
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, 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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1003:46
[INFO] [stdout]      |
[INFO] [stdout] 1003 |                 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1005:47
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1006:51
[INFO] [stdout]      |
[INFO] [stdout] 1006 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1003:46
[INFO] [stdout]      |
[INFO] [stdout] 1003 |                 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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1005:47
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                     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] 
[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/github.com-1ecc6299db9ec823/regex-0.1.28/src/re.rs:1006:51
[INFO] [stdout]      |
[INFO] [stdout] 1006 |                     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] 
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "1f592e1aee232c10d8cd8f645250d0d2bb05211d09606737f7004b2b40ccd8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f592e1aee232c10d8cd8f645250d0d2bb05211d09606737f7004b2b40ccd8b7", kill_on_drop: false }`
[INFO] [stdout] 1f592e1aee232c10d8cd8f645250d0d2bb05211d09606737f7004b2b40ccd8b7