[INFO] cloning repository https://github.com/thegedge/gesh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thegedge/gesh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthegedge%2Fgesh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthegedge%2Fgesh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 379264e1b72d03985511de118929bb28cf8a088b
[INFO] testing thegedge/gesh against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthegedge%2Fgesh" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thegedge/gesh on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thegedge/gesh
[INFO] finished tweaking git repo https://github.com/thegedge/gesh
[INFO] tweaked toml for git repo https://github.com/thegedge/gesh written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/thegedge/gesh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c2e7a07621dbc0ee08c513ec322ca7ca70fd77d3f549b036c498ab4f0af010
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53c2e7a07621dbc0ee08c513ec322ca7ca70fd77d3f549b036c498ab4f0af010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c2e7a07621dbc0ee08c513ec322ca7ca70fd77d3f549b036c498ab4f0af010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c2e7a07621dbc0ee08c513ec322ca7ca70fd77d3f549b036c498ab4f0af010", kill_on_drop: false }`
[INFO] [stdout] 53c2e7a07621dbc0ee08c513ec322ca7ca70fd77d3f549b036c498ab4f0af010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c71439c0f713159932a7a414db8c0e1afe36ce365f2d2299745c3cddae32ddc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c71439c0f713159932a7a414db8c0e1afe36ce365f2d2299745c3cddae32ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling dirs v1.0.2
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling geshl v0.1.0 (/opt/rustwide/workdir/gesh-geshl)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> gesh-geshl/src/parser.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / /// Parses an arbitrary line.
[INFO] [stdout] 33 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> gesh-geshl/src/parser.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / /// Parses one or more variable setting expressions.
[INFO] [stdout] 44 | | ///
[INFO] [stdout] 45 | | /// # Examples
[INFO] [stdout] 46 | | ///
[INFO] [stdout] 47 | | /// - `FOO=bar`
[INFO] [stdout] 48 | | /// - `FOO=bar BAR=spam`
[INFO] [stdout] 49 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> gesh-geshl/src/parser.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / /// Parses a variable setting expression.
[INFO] [stdout] 59 | | ///
[INFO] [stdout] 60 | | /// # Examples
[INFO] [stdout] 61 | | ///
[INFO] [stdout] 62 | | /// - `FOO=bar`
[INFO] [stdout] 63 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> gesh-geshl/src/parser.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | / /// Parses a command prefixed with zero or more environment variables to set.
[INFO] [stdout] 78 | | ///
[INFO] [stdout] 79 | | /// # Examples
[INFO] [stdout] 80 | | ///
[INFO] [stdout] 81 | | /// - `FOO=bar command`
[INFO] [stdout] 82 | | /// - `FOO=bar BAR=spam command arg1 "arg2 in quotes"
[INFO] [stdout] 83 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> gesh-geshl/src/parser.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | / /// Parses a string "piece".
[INFO] [stdout] 97 | | ///
[INFO] [stdout] 98 | | /// A piece could be a path, a glob, an unquoted string, an interpolated string, and so on.
[INFO] [stdout] 99 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | / /// Parses a glob
[INFO] [stdout] 115 | | ///
[INFO] [stdout] 116 | | /// A piece could be a path, a glob, an unquoted string, an interpolated string, and so on.
[INFO] [stdout] 117 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | / /// Parses a path-like component.
[INFO] [stdout] 134 | | ///
[INFO] [stdout] 135 | | /// ## Examples
[INFO] [stdout] 136 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | | /// - `~/home/directory`
[INFO] [stdout] 143 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / /// Parses an interpolated string from the command line.
[INFO] [stdout] 168 | | ///
[INFO] [stdout] 169 | | /// ## Examples
[INFO] [stdout] 170 | | ///
[INFO] [stdout] 171 | | /// - `"just some text"`
[INFO] [stdout] 172 | | /// - `"some text with an ${ENVVAR} interpolated"`
[INFO] [stdout] 173 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | / /// Parses an environment variable interpolation.
[INFO] [stdout] 187 | | ///
[INFO] [stdout] 188 | | /// ## Examples
[INFO] [stdout] 189 | | ///
[INFO] [stdout] 190 | | /// - `${HOME}`
[INFO] [stdout] 191 | | /// - `${SOME_DIR}`
[INFO] [stdout] 192 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:232:1
[INFO] [stdout]     |
[INFO] [stdout] 232 | / /// Parses regular text inside of an interpolated string.
[INFO] [stdout] 233 | | ///
[INFO] [stdout] 234 | | /// Some characters can be escaped with a backslash.
[INFO] [stdout] 235 | | /// - `\n` becomes a newline
[INFO] [stdout] ...   |
[INFO] [stdout] 247 | | /// - `C:\\Windows\\System\\folder`
[INFO] [stdout] 248 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | / /// Parses an uninterpolated string from the command line.
[INFO] [stdout] 269 | | ///
[INFO] [stdout] 270 | | /// Some characters can be escaped with a backslash:
[INFO] [stdout] 271 | | /// - `\\` becomes a backslash
[INFO] [stdout] ...   |
[INFO] [stdout] 278 | | /// - `'This isn't a newline, just a backslash and an n: \n'`
[INFO] [stdout] 279 | | ///
[INFO] [stdout]     | |_--^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:224:12
[INFO] [stdout]     |
[INFO] [stdout] 224 |         'a'...'z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         'A'...'Z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |         '0'...'9' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:315:12
[INFO] [stdout]     |
[INFO] [stdout] 315 |         'a'...'z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 |         'A'...'Z' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> gesh-geshl/src/parser.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 |         '0'...'9' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gesh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/prompt/mod.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set_prompt(&mut self, String);
[INFO] [stdout]    |                              ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/command/builtin/cd.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         0 => env::home_dir(),
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gesh`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9c71439c0f713159932a7a414db8c0e1afe36ce365f2d2299745c3cddae32ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71439c0f713159932a7a414db8c0e1afe36ce365f2d2299745c3cddae32ddc", kill_on_drop: false }`
[INFO] [stdout] 9c71439c0f713159932a7a414db8c0e1afe36ce365f2d2299745c3cddae32ddc
