[INFO] cloning repository https://github.com/gerardabello/rusty-monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gerardabello/rusty-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerardabello%2Frusty-monkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerardabello%2Frusty-monkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 73375eafd865e02a3870029c860be2f5b0cde70b [INFO] checking gerardabello/rusty-monkey against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerardabello%2Frusty-monkey" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gerardabello/rusty-monkey on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gerardabello/rusty-monkey [INFO] finished tweaking git repo https://github.com/gerardabello/rusty-monkey [INFO] tweaked toml for git repo https://github.com/gerardabello/rusty-monkey written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gerardabello/rusty-monkey 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4938b780a288161219fbbde0f0b9a88d4657680c5d03352ba0e9910cb198f0d2 [INFO] running `Command { std: "docker" "start" "-a" "4938b780a288161219fbbde0f0b9a88d4657680c5d03352ba0e9910cb198f0d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4938b780a288161219fbbde0f0b9a88d4657680c5d03352ba0e9910cb198f0d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4938b780a288161219fbbde0f0b9a88d4657680c5d03352ba0e9910cb198f0d2", kill_on_drop: false }` [INFO] [stdout] 4938b780a288161219fbbde0f0b9a88d4657680c5d03352ba0e9910cb198f0d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3cea34cae8c54b4b93fd00891cd6d0b9d22b940756615684b950319e89dafb6 [INFO] running `Command { std: "docker" "start" "-a" "b3cea34cae8c54b4b93fd00891cd6d0b9d22b940756615684b950319e89dafb6", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> parser/src/lexer/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> parser/src/lexer/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> parser/src/lexer/mod.rs:237:29 [INFO] [stdout] | [INFO] [stdout] 237 | _ => panic!(format!("Unexpected character '{}'", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 237 - _ => panic!(format!("Unexpected character '{}'", c)), [INFO] [stdout] 237 + _ => panic!("Unexpected character '{}'", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> parser/src/lexer/mod.rs:237:29 [INFO] [stdout] | [INFO] [stdout] 237 | _ => panic!(format!("Unexpected character '{}'", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 237 - _ => panic!(format!("Unexpected character '{}'", c)), [INFO] [stdout] 237 + _ => panic!("Unexpected character '{}'", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking evaluator v0.1.0 (/opt/rustwide/workdir/evaluator) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking repl v0.1.0 (/opt/rustwide/workdir/repl) [INFO] [stderr] Checking rusty-monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "b3cea34cae8c54b4b93fd00891cd6d0b9d22b940756615684b950319e89dafb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3cea34cae8c54b4b93fd00891cd6d0b9d22b940756615684b950319e89dafb6", kill_on_drop: false }` [INFO] [stdout] b3cea34cae8c54b4b93fd00891cd6d0b9d22b940756615684b950319e89dafb6 [INFO] checking gerardabello/rusty-monkey against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgerardabello%2Frusty-monkey" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gerardabello/rusty-monkey on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gerardabello/rusty-monkey [INFO] finished tweaking git repo https://github.com/gerardabello/rusty-monkey [INFO] tweaked toml for git repo https://github.com/gerardabello/rusty-monkey written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gerardabello/rusty-monkey 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a288295d5e73acb6c581259a995f5035dff82a9fd4b27ddd340182b074f111b8 [INFO] running `Command { std: "docker" "start" "-a" "a288295d5e73acb6c581259a995f5035dff82a9fd4b27ddd340182b074f111b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a288295d5e73acb6c581259a995f5035dff82a9fd4b27ddd340182b074f111b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a288295d5e73acb6c581259a995f5035dff82a9fd4b27ddd340182b074f111b8", kill_on_drop: false }` [INFO] [stdout] a288295d5e73acb6c581259a995f5035dff82a9fd4b27ddd340182b074f111b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 340a22516f8abf5c33d86c3ae37a3bd75f4c55570d8dbb4d01bd74b292dfa84d [INFO] running `Command { std: "docker" "start" "-a" "340a22516f8abf5c33d86c3ae37a3bd75f4c55570d8dbb4d01bd74b292dfa84d", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> parser/src/lexer/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> parser/src/lexer/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:205:21 [INFO] [stdout] | [INFO] [stdout] 205 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 206 | | token: t.clone(), [INFO] [stdout] 207 | | expecting: String::from("comma, close brace"), [INFO] [stdout] 208 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:241:21 [INFO] [stdout] | [INFO] [stdout] 241 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 242 | | token: t.clone(), [INFO] [stdout] 243 | | expecting: String::from("comma, close square"), [INFO] [stdout] 244 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 278 | | token: t.clone(), [INFO] [stdout] 279 | | expecting: String::from("comma, close parenthesis"), [INFO] [stdout] 280 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:205:21 [INFO] [stdout] | [INFO] [stdout] 205 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 206 | | token: t.clone(), [INFO] [stdout] 207 | | expecting: String::from("comma, close brace"), [INFO] [stdout] 208 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:241:21 [INFO] [stdout] | [INFO] [stdout] 241 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 242 | | token: t.clone(), [INFO] [stdout] 243 | | expecting: String::from("comma, close square"), [INFO] [stdout] 244 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> parser/src/lib.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | / return Err(ParseError::UnexpectedToken { [INFO] [stdout] 278 | | token: t.clone(), [INFO] [stdout] 279 | | expecting: String::from("comma, close parenthesis"), [INFO] [stdout] 280 | | }) [INFO] [stdout] | |______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parser` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parser` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "340a22516f8abf5c33d86c3ae37a3bd75f4c55570d8dbb4d01bd74b292dfa84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "340a22516f8abf5c33d86c3ae37a3bd75f4c55570d8dbb4d01bd74b292dfa84d", kill_on_drop: false }` [INFO] [stdout] 340a22516f8abf5c33d86c3ae37a3bd75f4c55570d8dbb4d01bd74b292dfa84d