[INFO] cloning repository https://github.com/marcusklaas/lisp-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcusklaas/lisp-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusklaas%2Flisp-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusklaas%2Flisp-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4b1cb3e46f9763672db60cfda73758bf4963471
[INFO] checking marcusklaas/lisp-interpreter against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusklaas%2Flisp-interpreter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcusklaas/lisp-interpreter on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcusklaas/lisp-interpreter
[INFO] finished tweaking git repo https://github.com/marcusklaas/lisp-interpreter
[INFO] tweaked toml for git repo https://github.com/marcusklaas/lisp-interpreter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/marcusklaas/lisp-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db881c1a7dbb178a161e6f388804375c7e2fbb860f3fb3659817ead607a6ff2f
[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" "db881c1a7dbb178a161e6f388804375c7e2fbb860f3fb3659817ead607a6ff2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db881c1a7dbb178a161e6f388804375c7e2fbb860f3fb3659817ead607a6ff2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db881c1a7dbb178a161e6f388804375c7e2fbb860f3fb3659817ead607a6ff2f", kill_on_drop: false }`
[INFO] [stdout] db881c1a7dbb178a161e6f388804375c7e2fbb860f3fb3659817ead607a6ff2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a77b80fbb698141e3de8a125e2ba3e8f36ef16f7f53ac72daca757b86267a57
[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" "3a77b80fbb698141e3de8a125e2ba3e8f36ef16f7f53ac72daca757b86267a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking string-interner v0.6.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking yalp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parse.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 x @ '0'...'9' => Some(parse_integer(x, &mut self.chars)),
[INFO] [stdout]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | /     fn get(self, slice: &[LispValue]) -> Option<&Self::Output> {
[INFO] [stdout] 90 | |         slice.get(self.to_usize())
[INFO] [stdout] 91 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | /     fn get_mut(self, slice: &mut [LispValue]) -> Option<&mut Self::Output> {
[INFO] [stdout] 94 | |         slice.get_mut(self.to_usize())
[INFO] [stdout] 95 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     unsafe fn get_unchecked(self, _slice: &[LispValue]) -> &Self::Output {
[INFO] [stdout] 98 | |         unimplemented!()
[INFO] [stdout] 99 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | /     unsafe fn get_unchecked_mut(self, _slice: &mut [LispValue]) -> &mut Self::Output {
[INFO] [stdout] 102 | |         unimplemented!()
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     fn index(self, slice: &[LispValue]) -> &Self::Output {
[INFO] [stdout] 106 | |         slice.index(self.to_usize())
[INFO] [stdout] 107 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'slice_index_methods'
[INFO] [stdout]    --> src/lib.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     fn index_mut(self, slice: &mut [LispValue]) -> &mut Self::Output {
[INFO] [stdout] 110 | |         slice.index_mut(self.to_usize())
[INFO] [stdout] 111 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(slice_index_methods)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `SliceIndex<[LispValue]>` requires an `unsafe impl` declaration
[INFO] [stdout]    --> src/lib.rs:86:1
[INFO] [stdout]     |
[INFO] [stdout] 86  | / impl SliceIndex<[LispValue]> for StackOffset {
[INFO] [stdout] 87  | |     type Output = LispValue;
[INFO] [stdout] 88  | |
[INFO] [stdout] 89  | |     fn get(self, slice: &[LispValue]) -> Option<&Self::Output> {
[INFO] [stdout] ...   |
[INFO] [stdout] 111 | |     }
[INFO] [stdout] 112 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0200, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0200`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yalp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3a77b80fbb698141e3de8a125e2ba3e8f36ef16f7f53ac72daca757b86267a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a77b80fbb698141e3de8a125e2ba3e8f36ef16f7f53ac72daca757b86267a57", kill_on_drop: false }`
[INFO] [stdout] 3a77b80fbb698141e3de8a125e2ba3e8f36ef16f7f53ac72daca757b86267a57