[INFO] cloning repository https://github.com/jimoh-sodiq/lambda-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimoh-sodiq/lambda-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimoh-sodiq%2Flambda-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimoh-sodiq%2Flambda-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd809f3082e5222123a5b69679769909bb8b862e [INFO] checking jimoh-sodiq/lambda-lang against try#0e1f5e292c80a395d02835ac656d141e992caf89 for pr-145605 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimoh-sodiq%2Flambda-lang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jimoh-sodiq/lambda-lang [INFO] finished tweaking git repo https://github.com/jimoh-sodiq/lambda-lang [INFO] tweaked toml for git repo https://github.com/jimoh-sodiq/lambda-lang written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jimoh-sodiq/lambda-lang on toolchain 0e1f5e292c80a395d02835ac656d141e992caf89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jimoh-sodiq/lambda-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e613fa246b73734e9b0d658bde266012ecd03f2669d83cbd4dfe0ab42aaa290 [INFO] running `Command { std: "docker" "start" "-a" "6e613fa246b73734e9b0d658bde266012ecd03f2669d83cbd4dfe0ab42aaa290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e613fa246b73734e9b0d658bde266012ecd03f2669d83cbd4dfe0ab42aaa290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e613fa246b73734e9b0d658bde266012ecd03f2669d83cbd4dfe0ab42aaa290", kill_on_drop: false }` [INFO] [stdout] 6e613fa246b73734e9b0d658bde266012ecd03f2669d83cbd4dfe0ab42aaa290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52be23e844fc5faf3ee86acb2a17c2362d6c8efe4705a0ed56982745b4080ea7 [INFO] running `Command { std: "docker" "start" "-a" "52be23e844fc5faf3ee86acb2a17c2362d6c8efe4705a0ed56982745b4080ea7", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-automata v0.4.8 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking lisperator-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/streamer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/streamer.rs:57:27 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_id_start(&self, ch: &char) -> bool { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `has_dot` is never read [INFO] [stdout] --> src/streamer.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | has_dot = true; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `callback` [INFO] [stdout] --> src/streamer.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let callback = |ch: &char| self.is_id(ch); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/streamer.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | self.read_while(|ch| self.is_whitespace(ch)); [INFO] [stdout] | ^^^^^----------^----^----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | | | [INFO] [stdout] | | | | first borrow occurs due to use of `*self` in closure [INFO] [stdout] | | | immutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/streamer.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | self.read_while(|char| self.is_op_char(*char)), [INFO] [stdout] | ^^^^^----------^------^----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | | | [INFO] [stdout] | | | | first borrow occurs due to use of `*self` in closure [INFO] [stdout] | | | immutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_value` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let next_value: char = input_stream.next(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/streamer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lisperator-rust` (bin "lisperator-rust") due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/streamer.rs:57:27 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_id_start(&self, ch: &char) -> bool { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `has_dot` is never read [INFO] [stdout] --> src/streamer.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | has_dot = true; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `callback` [INFO] [stdout] --> src/streamer.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let callback = |ch: &char| self.is_id(ch); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/streamer.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | self.read_while(|ch| self.is_whitespace(ch)); [INFO] [stdout] | ^^^^^----------^----^----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | | | [INFO] [stdout] | | | | first borrow occurs due to use of `*self` in closure [INFO] [stdout] | | | immutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/streamer.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | self.read_while(|char| self.is_op_char(*char)), [INFO] [stdout] | ^^^^^----------^------^----^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | | | [INFO] [stdout] | | | | first borrow occurs due to use of `*self` in closure [INFO] [stdout] | | | immutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_value` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let next_value: char = input_stream.next(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lisperator-rust` (bin "lisperator-rust" test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "52be23e844fc5faf3ee86acb2a17c2362d6c8efe4705a0ed56982745b4080ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52be23e844fc5faf3ee86acb2a17c2362d6c8efe4705a0ed56982745b4080ea7", kill_on_drop: false }` [INFO] [stdout] 52be23e844fc5faf3ee86acb2a17c2362d6c8efe4705a0ed56982745b4080ea7