[INFO] cloning repository https://github.com/gorilskij/rustiks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gorilskij/rustiks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorilskij%2Frustiks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorilskij%2Frustiks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dfbe83284d622992353cc3d2587cbcbfa014d01
[INFO] checking gorilskij/rustiks against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorilskij%2Frustiks" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gorilskij/rustiks on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gorilskij/rustiks
[INFO] finished tweaking git repo https://github.com/gorilskij/rustiks
[INFO] tweaked toml for git repo https://github.com/gorilskij/rustiks written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gorilskij/rustiks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ba07d6c69d16848de5afaf4d350a21bf00d7dadb760d0be3eaddfcf5e579d12
[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" "3ba07d6c69d16848de5afaf4d350a21bf00d7dadb760d0be3eaddfcf5e579d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba07d6c69d16848de5afaf4d350a21bf00d7dadb760d0be3eaddfcf5e579d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba07d6c69d16848de5afaf4d350a21bf00d7dadb760d0be3eaddfcf5e579d12", kill_on_drop: false }`
[INFO] [stdout] 3ba07d6c69d16848de5afaf4d350a21bf00d7dadb760d0be3eaddfcf5e579d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d18775519be70d000bfc2dec918700eee95ebc163881869b878fd03c5a5576
[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" "f9d18775519be70d000bfc2dec918700eee95ebc163881869b878fd03c5a5576", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking Rustiks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_expect_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl_cube_fmt!(Debug, "{:?}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` 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 a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl_cube_fmt!(Debug, "{:?}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `push_right`
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 271 | impl_cube_fmt!(Display, "{}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 271 | impl_cube_fmt!(Display, "{}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `push_right`
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(option_expect_none)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 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 `Rustiks` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl_cube_fmt!(Debug, "{:?}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` 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 a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl_cube_fmt!(Debug, "{:?}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `push_right`
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 271 | impl_cube_fmt!(Display, "{}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/cube/mod.rs:243:58
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         }).collect::<Vec<_>>().join("\n");
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 271 | impl_cube_fmt!(Display, "{}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `push_right`
[INFO] [stdout]     = note: this warning originates in the macro `push_right` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9d18775519be70d000bfc2dec918700eee95ebc163881869b878fd03c5a5576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d18775519be70d000bfc2dec918700eee95ebc163881869b878fd03c5a5576", kill_on_drop: false }`
[INFO] [stdout] f9d18775519be70d000bfc2dec918700eee95ebc163881869b878fd03c5a5576
