[INFO] cloning repository https://github.com/noxabellus/mod-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noxabellus/mod-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Fmod-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Fmod-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f5edbd179c09ac0a5a537bcbd4ed11461deadd4
[INFO] building noxabellus/mod-language against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoxabellus%2Fmod-language" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noxabellus/mod-language on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noxabellus/mod-language
[INFO] finished tweaking git repo https://github.com/noxabellus/mod-language
[INFO] tweaked toml for git repo https://github.com/noxabellus/mod-language written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4234f96466c3b6140da896760cc8b4f5e0e98d0e4f04b31a42384d63223e49
[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" "3e4234f96466c3b6140da896760cc8b4f5e0e98d0e4f04b31a42384d63223e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4234f96466c3b6140da896760cc8b4f5e0e98d0e4f04b31a42384d63223e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4234f96466c3b6140da896760cc8b4f5e0e98d0e4f04b31a42384d63223e49", kill_on_drop: false }`
[INFO] [stdout] 3e4234f96466c3b6140da896760cc8b4f5e0e98d0e4f04b31a42384d63223e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0fdc3798de5785d6dd69b4bb93116a56a9d25d326c108de9279a4f90a263abe
[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" "e0fdc3798de5785d6dd69b4bb93116a56a9d25d326c108de9279a4f90a263abe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling mod_common v0.1.23 (/opt/rustwide/workdir/libs/common)
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling mod_utils v0.1.23 (/opt/rustwide/workdir/libs/utils)
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling mod_ansi v0.1.23 (/opt/rustwide/workdir/libs/ansi)
[INFO] [stdout] warning: the feature `const_loop` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> libs/common/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(const_loop)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> libs/common/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_if_match)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling mod_bytecode v0.1.23 (/opt/rustwide/workdir/libs/bytecode)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mod_frontend v0.1.23 (/opt/rustwide/workdir/libs/frontend)
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> libs/bytecode/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option<Vec<Item>>` in the current scope
[INFO] [stdout]    --> libs/frontend/src/source.rs:281:10
[INFO] [stdout]     |
[INFO] [stdout] 281 |         .expect_none("Internal error, tried to fill ast reserved cache, but it was already filled");
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `Option<Vec<Item>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option<ASTKey>` in the current scope
[INFO] [stdout]    --> libs/frontend/src/source.rs:295:51
[INFO] [stdout]     |
[INFO] [stdout] 295 |     self.bi_map().insert_at_key(src_key, ast_key).unwrap_none();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ help: there is an associated function with a similar name: `unwrap_or`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/ctx.rs:298:46
[INFO] [stdout]     |
[INFO] [stdout] 298 |     *self.entries.find_value(ident.as_ref()).unwrap_unchecked()
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> libs/frontend/src/analyzer/mod.rs:94:68
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let (mod_key, _ns_vec) = unsafe { self.active_mod_and_ns.pop().unwrap_unchecked() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:102:48
[INFO] [stdout]     |
[INFO] [stdout] 102 |     unsafe { self.active_mod_and_ns.last_mut().unwrap_unchecked().1.push(ns_key) };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:114:48
[INFO] [stdout]     |
[INFO] [stdout] 114 |     unsafe { self.active_mod_and_ns.last_mut().unwrap_unchecked().1.pop().unwrap_unchecked() }
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:114:75
[INFO] [stdout]     |
[INFO] [stdout] 114 |     unsafe { self.active_mod_and_ns.last_mut().unwrap_unchecked().1.pop().unwrap_unchecked() }
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 121 |     unsafe { self.active_mod_and_ns.last().unwrap_unchecked().0 }
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:137:45
[INFO] [stdout]     |
[INFO] [stdout] 137 |     unsafe { *self.active_mod_and_ns.last().unwrap_unchecked().1.last().unwrap_unchecked() }
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:137:73
[INFO] [stdout]     |
[INFO] [stdout] 137 |     unsafe { *self.active_mod_and_ns.last().unwrap_unchecked().1.last().unwrap_unchecked() }
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option<LocalContext>` in the current scope
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:156:57
[INFO] [stdout]     |
[INFO] [stdout] 156 |     self.local_context.replace(LocalContext::default()).expect_none("Internal error, cannot create LocalContext, one already exists");
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ method not found in `Option<LocalContext>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:157:42
[INFO] [stdout]     |
[INFO] [stdout] 157 |     unsafe { self.local_context.as_mut().unwrap_unchecked() }
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unwrap_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::<T>::unwrap_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option<ContextKey>` in the current scope
[INFO] [stdout]    --> libs/frontend/src/analyzer/mod.rs:249:57
[INFO] [stdout]     |
[INFO] [stdout] 249 |     self.context.modules.insert(identifier, module_key).expect_none("Internal error, overwrote existing Module");
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ method not found in `Option<ContextKey>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mod_frontend`
[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" "e0fdc3798de5785d6dd69b4bb93116a56a9d25d326c108de9279a4f90a263abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fdc3798de5785d6dd69b4bb93116a56a9d25d326c108de9279a4f90a263abe", kill_on_drop: false }`
[INFO] [stdout] e0fdc3798de5785d6dd69b4bb93116a56a9d25d326c108de9279a4f90a263abe
