[INFO] fetching crate libchao 0.1.0...
[INFO] checking libchao-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate libchao 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libchao 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding ascii v0.9.3 (latest: v1.1.0)
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[INFO] [stderr]       Adding combine v3.8.1 (latest: v4.6.7)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e231a7f942c54077858f94579068b5e5b60219f5067178d5b78c8201b6c265a9
[INFO] running `Command { std: "docker" "start" "-a" "e231a7f942c54077858f94579068b5e5b60219f5067178d5b78c8201b6c265a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e231a7f942c54077858f94579068b5e5b60219f5067178d5b78c8201b6c265a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e231a7f942c54077858f94579068b5e5b60219f5067178d5b78c8201b6c265a9", kill_on_drop: false }`
[INFO] [stdout] e231a7f942c54077858f94579068b5e5b60219f5067178d5b78c8201b6c265a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7875fa54b77e65a9fb91dd0b7038964143eb853cf2f87526a35faf2aecc1ad
[INFO] running `Command { std: "docker" "start" "-a" "6f7875fa54b77e65a9fb91dd0b7038964143eb853cf2f87526a35faf2aecc1ad", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ascii v0.9.3
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[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking libchao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `rest`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest @ ..] => match self.eval(expr) {
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `rest`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest @ ..] => match self.eval(expr) {
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     for expr in rest.iter() {
[INFO] [stdout]     |                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     for expr in rest.iter() {
[INFO] [stdout]     |                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail @ ..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail @ ..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]  --> src/parser.rs:4:84
[INFO] [stdout]   |
[INFO] [stdout] 4 | use combine::{parser, satisfy_map, any, between, choice, eof, many, many1, one_of, try, ParseError, Parser, Stream, optional};
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     (try(choice((t(), f()))), spaces()).map(|(b, _)| b)
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]  --> src/parser.rs:4:84
[INFO] [stdout]   |
[INFO] [stdout] 4 | use combine::{parser, satisfy_map, any, between, choice, eof, many, many1, one_of, try, ParseError, Parser, Stream, optional};
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     (try(choice((t(), f()))), spaces()).map(|(b, _)| b)
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let empty_list = try((c('('), spaces(), c(')'), spaces())).map(|_| Nil);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let empty_list = try((c('('), spaces(), c(')'), spaces())).map(|_| Nil);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libchao` (lib test) due to 14 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libchao` (lib) due to 14 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6f7875fa54b77e65a9fb91dd0b7038964143eb853cf2f87526a35faf2aecc1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7875fa54b77e65a9fb91dd0b7038964143eb853cf2f87526a35faf2aecc1ad", kill_on_drop: false }`
[INFO] [stdout] 6f7875fa54b77e65a9fb91dd0b7038964143eb853cf2f87526a35faf2aecc1ad
[INFO] checking libchao-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate libchao 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate libchao 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding ascii v0.9.3 (latest: v1.1.0)
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding combine v3.8.1 (latest: v4.6.7)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 897d8031c3f4c038428a362f3a93c811da27b2dac5ebb76d17ae725f276ad4e3
[INFO] running `Command { std: "docker" "start" "-a" "897d8031c3f4c038428a362f3a93c811da27b2dac5ebb76d17ae725f276ad4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "897d8031c3f4c038428a362f3a93c811da27b2dac5ebb76d17ae725f276ad4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897d8031c3f4c038428a362f3a93c811da27b2dac5ebb76d17ae725f276ad4e3", kill_on_drop: false }`
[INFO] [stdout] 897d8031c3f4c038428a362f3a93c811da27b2dac5ebb76d17ae725f276ad4e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca92c1571caa8bd2d33652d9f56de6d06d7a9ebd918deb66df768c20d2d30565
[INFO] running `Command { std: "docker" "start" "-a" "ca92c1571caa8bd2d33652d9f56de6d06d7a9ebd918deb66df768c20d2d30565", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking libchao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `rest`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest @ ..] => match self.eval(expr) {
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `rest`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest @ ..] => match self.eval(expr) {
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     for expr in rest.iter() {
[INFO] [stdout]     |                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     for expr in rest.iter() {
[INFO] [stdout]     |                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/env.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     self.bind_args(rest.to_vec(), arg_names.clone());
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:177:31
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail @ ..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail @ ..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:197:31
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to collect the rest of the slice in `tail`, use the at operator
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail @ ..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tail` in this scope
[INFO] [stdout]    --> src/env.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             [expr, rest..] => match self.eval(expr) {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |             [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `X..` patterns in slices are experimental
[INFO] [stdout]    --> src/env.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |             [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #67264 <https://github.com/rust-lang/rust/issues/67264> for more information
[INFO] [stdout]     = help: add `#![feature(half_open_range_patterns_in_slices)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]  --> src/parser.rs:4:84
[INFO] [stdout]   |
[INFO] [stdout] 4 | use combine::{parser, satisfy_map, any, between, choice, eof, many, many1, one_of, try, ParseError, Parser, Stream, optional};
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     (try(choice((t(), f()))), spaces()).map(|(b, _)| b)
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let empty_list = try((c('('), spaces(), c(')'), spaces())).map(|_| Nil);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]  --> src/parser.rs:4:84
[INFO] [stdout]   |
[INFO] [stdout] 4 | use combine::{parser, satisfy_map, any, between, choice, eof, many, many1, one_of, try, ParseError, Parser, Stream, optional};
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     choice((try(binary), try(hex), try(decimal))).skip(spaces()).map(Int)
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     (try(choice((t(), f()))), spaces()).map(|(b, _)| b)
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `combine::try`: try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stdout]   --> src/parser.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let empty_list = try((c('('), spaces(), c(')'), spaces())).map(|_| Nil);
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libchao` (lib test) due to 14 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 13 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libchao` (lib) due to 14 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ca92c1571caa8bd2d33652d9f56de6d06d7a9ebd918deb66df768c20d2d30565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca92c1571caa8bd2d33652d9f56de6d06d7a9ebd918deb66df768c20d2d30565", kill_on_drop: false }`
[INFO] [stdout] ca92c1571caa8bd2d33652d9f56de6d06d7a9ebd918deb66df768c20d2d30565
