[INFO] cloning repository https://github.com/hirohiso/rust-lisp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hirohiso/rust-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirohiso%2Frust-lisp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirohiso%2Frust-lisp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 598e614bf1b174c1c3ac42f9edf05a7b8e395ed8 [INFO] checking hirohiso/rust-lisp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirohiso%2Frust-lisp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hirohiso/rust-lisp 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/hirohiso/rust-lisp [INFO] finished tweaking git repo https://github.com/hirohiso/rust-lisp [INFO] tweaked toml for git repo https://github.com/hirohiso/rust-lisp written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hirohiso/rust-lisp 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4582b8096abb3478238a0a640b2f294043482d46a40f71b9cb4a4e07ff56c0f2 [INFO] running `Command { std: "docker" "start" "-a" "4582b8096abb3478238a0a640b2f294043482d46a40f71b9cb4a4e07ff56c0f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4582b8096abb3478238a0a640b2f294043482d46a40f71b9cb4a4e07ff56c0f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4582b8096abb3478238a0a640b2f294043482d46a40f71b9cb4a4e07ff56c0f2", kill_on_drop: false }` [INFO] [stdout] 4582b8096abb3478238a0a640b2f294043482d46a40f71b9cb4a4e07ff56c0f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58543d7fb60cc175a53fd5f316f7ed415e93028725b18e186328c5df5798e746 [INFO] running `Command { std: "docker" "start" "-a" "58543d7fb60cc175a53fd5f316f7ed415e93028725b18e186328c5df5798e746", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rust-lisp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `symbol` [INFO] [stdout] --> src/enviroment.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `symbol` [INFO] [stdout] --> src/enviroment.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `env`, `ops::Deref` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, io, ops::Deref}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NoExpand` [INFO] [stdout] --> src/reader.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use regex::{NoExpand, Regex}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `env`, `ops::Deref` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{env, io, ops::Deref}; [INFO] [stdout] | ^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NoExpand` [INFO] [stdout] --> src/reader.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use regex::{NoExpand, Regex}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `readerObj` should have an upper camel case name [INFO] [stdout] --> src/reader.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct readerObj<'a> { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `ReaderObj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `readerObj` should have an upper camel case name [INFO] [stdout] --> src/reader.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct readerObj<'a> { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `ReaderObj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `symbol` [INFO] [stdout] --> src/enviroment.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tttt` is never used [INFO] [stdout] --> src/eval.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn tttt(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `outer` and `data` are never read [INFO] [stdout] --> src/enviroment.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Enviroments<'a>{ [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 4 | functions :Vec<(&'a str, fn(&[i32]) -> i32)>, [INFO] [stdout] 5 | outer : Option<&'a Enviroments<'a>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | data : Vec<(String, LispCell)>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set`, `find`, and `get` are never used [INFO] [stdout] --> src/enviroment.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a> Enviroments<'a>{ [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn set(&mut self,symbol : String,value :LispCell){ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn find(& self,symbol : &str)->&Enviroments{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual` [INFO] [stdout] --> src/reader.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let actual = read_str("(* 1 (+ 1 2))"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `symbol` [INFO] [stdout] --> src/enviroment.rs:38:23 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tttt` is never used [INFO] [stdout] --> src/eval.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn tttt(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `outer` and `data` are never read [INFO] [stdout] --> src/enviroment.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Enviroments<'a>{ [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 4 | functions :Vec<(&'a str, fn(&[i32]) -> i32)>, [INFO] [stdout] 5 | outer : Option<&'a Enviroments<'a>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | data : Vec<(String, LispCell)>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set`, `find`, and `get` are never used [INFO] [stdout] --> src/enviroment.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl<'a> Enviroments<'a>{ [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn set(&mut self,symbol : String,value :LispCell){ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn find(& self,symbol : &str)->&Enviroments{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get(& self,symbol:&str)->LispCell{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "58543d7fb60cc175a53fd5f316f7ed415e93028725b18e186328c5df5798e746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58543d7fb60cc175a53fd5f316f7ed415e93028725b18e186328c5df5798e746", kill_on_drop: false }` [INFO] [stdout] 58543d7fb60cc175a53fd5f316f7ed415e93028725b18e186328c5df5798e746 [INFO] checking hirohiso/rust-lisp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirohiso%2Frust-lisp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hirohiso/rust-lisp 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/hirohiso/rust-lisp [INFO] finished tweaking git repo https://github.com/hirohiso/rust-lisp [INFO] tweaked toml for git repo https://github.com/hirohiso/rust-lisp written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hirohiso/rust-lisp 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0bf8063b2c3fad96bcc07f36ed463ec9385034148f8dd79e181ee4e478b4135 [INFO] running `Command { std: "docker" "start" "-a" "d0bf8063b2c3fad96bcc07f36ed463ec9385034148f8dd79e181ee4e478b4135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0bf8063b2c3fad96bcc07f36ed463ec9385034148f8dd79e181ee4e478b4135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0bf8063b2c3fad96bcc07f36ed463ec9385034148f8dd79e181ee4e478b4135", kill_on_drop: false }` [INFO] [stdout] d0bf8063b2c3fad96bcc07f36ed463ec9385034148f8dd79e181ee4e478b4135 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b696b6318b7a2431c7d6c5b25791ab13b1e1c1c63313b1ecc3e6df78b66ff052 [INFO] running `Command { std: "docker" "start" "-a" "b696b6318b7a2431c7d6c5b25791ab13b1e1c1c63313b1ecc3e6df78b66ff052", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b696b6318b7a2431c7d6c5b25791ab13b1e1c1c63313b1ecc3e6df78b66ff052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b696b6318b7a2431c7d6c5b25791ab13b1e1c1c63313b1ecc3e6df78b66ff052", kill_on_drop: false }` [INFO] [stdout] b696b6318b7a2431c7d6c5b25791ab13b1e1c1c63313b1ecc3e6df78b66ff052