[INFO] cloning repository https://github.com/gefjon/gender-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gefjon/gender-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fgender-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fgender-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 665d7e9aaddfa9b898846af1edb48b5591764ae3 [INFO] testing gefjon/gender-lang against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fgender-lang" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gefjon/gender-lang on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/gefjon/gender-lang [INFO] finished tweaking git repo https://github.com/gefjon/gender-lang [INFO] tweaked toml for git repo https://github.com/gefjon/gender-lang written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/gefjon/gender-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7b3747d6fd232e6bcd62de953c08d54ccb88ba7befdddda8b77949e5a3fca57a [INFO] running `Command { std: "docker" "start" "-a" "7b3747d6fd232e6bcd62de953c08d54ccb88ba7befdddda8b77949e5a3fca57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b3747d6fd232e6bcd62de953c08d54ccb88ba7befdddda8b77949e5a3fca57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3747d6fd232e6bcd62de953c08d54ccb88ba7befdddda8b77949e5a3fca57a", kill_on_drop: false }` [INFO] [stdout] 7b3747d6fd232e6bcd62de953c08d54ccb88ba7befdddda8b77949e5a3fca57a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3da344b7a9c7d9e60ca5cd461c156067288db6e42e790c2cf1cb78a94208482 [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" "e3da344b7a9c7d9e60ca5cd461c156067288db6e42e790c2cf1cb78a94208482", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling lalrpop-util v0.17.0 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling lalrpop v0.17.0 [INFO] [stderr] Compiling gender-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError` [INFO] [stdout] --> src/err.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, option::NoneError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ no `NoneError` in `option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/gender-lang-ebd5b1b579cb20b5/out/grammar.rs:1137:5 [INFO] [stdout] | [INFO] [stdout] 1137 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/gender-lang-ebd5b1b579cb20b5/out/grammar.rs:1181:5 [INFO] [stdout] | [INFO] [stdout] 1181 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/gender-lang-ebd5b1b579cb20b5/out/grammar.rs:1192:5 [INFO] [stdout] | [INFO] [stdout] 1192 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/gender-lang-ebd5b1b579cb20b5/out/grammar.rs:1203:5 [INFO] [stdout] | [INFO] [stdout] 1203 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/gender-lang-ebd5b1b579cb20b5/out/grammar.rs:1315:5 [INFO] [stdout] | [INFO] [stdout] 1315 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result` [INFO] [stdout] --> src/lib.rs:92:48 [INFO] [stdout] | [INFO] [stdout] 88 | / pub fn dynamic_call<'thread>( [INFO] [stdout] 89 | | obj: Object<'thread>, [INFO] [stdout] 90 | | method: &'thread str, [INFO] [stdout] 91 | | ) -> err::Result> { [INFO] [stdout] 92 | | let method = obj.gender.methods.get(method)?; [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, err::Error>` [INFO] [stdout] 93 | | let res = method.invoke_on(obj); [INFO] [stdout] 94 | | Ok(res) [INFO] [stdout] 95 | | } [INFO] [stdout] | |_- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, err::Error>` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/lib.rs:176:51 [INFO] [stdout] | [INFO] [stdout] 158 | / pub fn eval(&mut self, expr: Expr) -> err::Result> { [INFO] [stdout] 159 | | match expr { [INFO] [stdout] 160 | | Expr::Number(n) => Ok(Object::number(n)), [INFO] [stdout] 161 | | Expr::Boolean(b) => Ok(Object::boolean(b)), [INFO] [stdout] ... | [INFO] [stdout] 176 | | pred_result.try_extract_bool()? [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result, err::Error>` [INFO] [stdout] ... | [INFO] [stdout] 207 | | } [INFO] [stdout] 208 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result, err::Error>` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gender-lang` due to 5 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e3da344b7a9c7d9e60ca5cd461c156067288db6e42e790c2cf1cb78a94208482", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3da344b7a9c7d9e60ca5cd461c156067288db6e42e790c2cf1cb78a94208482", kill_on_drop: false }` [INFO] [stdout] e3da344b7a9c7d9e60ca5cd461c156067288db6e42e790c2cf1cb78a94208482