[INFO] crate libchao 0.1.0 is already in cache
[INFO] checking libchao-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate libchao 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libchao 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libchao 0.1.0
[INFO] finished tweaking crates.io crate libchao 0.1.0
[INFO] tweaked toml for crates.io crate libchao 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1b8445b68301964fee107f4eabea720534d1683953c34394571825eff69a6c3
[INFO] running `"docker" "start" "-a" "a1b8445b68301964fee107f4eabea720534d1683953c34394571825eff69a6c3"`
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking libchao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `rest..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `rest..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error: `X..` range patterns are not supported
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^^^ help: try using the maximum value for the type: `tail..MAX`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     for expr in rest.iter() {
[INFO] [stderr]     |                                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:132:36
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stderr]     |                                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:177:31
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:197:31
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     for expr in rest.iter() {
[INFO] [stderr]     |                                 ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `rest` in this scope
[INFO] [stderr]    --> src/env.rs:132:36
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stderr]     |                                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:177:31
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:197:31
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `tail` in this scope
[INFO] [stderr]    --> src/env.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                                    ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:197:20
[INFO] [stderr]     |
[INFO] [stderr] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental
[INFO] [stderr]    --> src/env.rs:224:20
[INFO] [stderr]     |
[INFO] [stderr] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/37854
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 18 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `libchao`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 18 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `libchao`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a1b8445b68301964fee107f4eabea720534d1683953c34394571825eff69a6c3"`
[INFO] running `"docker" "rm" "-f" "a1b8445b68301964fee107f4eabea720534d1683953c34394571825eff69a6c3"`
[INFO] [stdout] a1b8445b68301964fee107f4eabea720534d1683953c34394571825eff69a6c3