[INFO] cloning repository https://github.com/fzft/my-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fzft/my-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzft%2Fmy-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzft%2Fmy-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 14249777f3b2cf6b09f6d75ba5a2df339087ab86 [INFO] checking fzft/my-vm against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzft%2Fmy-vm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fzft/my-vm 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/fzft/my-vm [INFO] finished tweaking git repo https://github.com/fzft/my-vm [INFO] tweaked toml for git repo https://github.com/fzft/my-vm written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fzft/my-vm 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cd77a27aab54faeeda614dc9375bd6e4ddaf696a0eacaabd8122765e40f77417 [INFO] running `Command { std: "docker" "start" "-a" "cd77a27aab54faeeda614dc9375bd6e4ddaf696a0eacaabd8122765e40f77417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd77a27aab54faeeda614dc9375bd6e4ddaf696a0eacaabd8122765e40f77417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd77a27aab54faeeda614dc9375bd6e4ddaf696a0eacaabd8122765e40f77417", kill_on_drop: false }` [INFO] [stdout] cd77a27aab54faeeda614dc9375bd6e4ddaf696a0eacaabd8122765e40f77417 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ff18bfee4a3d0a5bda6e1ffab60ade4dbdd7ab2c95b0d9fa0b87188c7f255fd6 [INFO] running `Command { std: "docker" "start" "-a" "ff18bfee4a3d0a5bda6e1ffab60ade4dbdd7ab2c95b0d9fa0b87188c7f255fd6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking my-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `info`, `trace`, `warn` [INFO] [stdout] --> src/main.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use log::{error, info, trace, warn}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/main.rs:5:38 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::token::{EvaValue, OpCode, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `info`, `trace`, `warn` [INFO] [stdout] --> src/main.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use log::{error, info, trace, warn}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/main.rs:5:38 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::token::{EvaValue, OpCode, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `program` [INFO] [stdout] --> src/main.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | fn exec(&mut self, program: &str) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `program` [INFO] [stdout] --> src/main.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | fn exec(&mut self, program: &str) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | UnknownOpCode(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | UnknownOpCode(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | UnknownOpCode(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | UnknownOpCode(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Token` is never used [INFO] [stdout] --> src/token.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Token` is never used [INFO] [stdout] --> src/token.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/token.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/token.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | vm.exec("42"); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = vm.exec("42"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | vm.exec("42"); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 119 | let _ = vm.exec("42"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "ff18bfee4a3d0a5bda6e1ffab60ade4dbdd7ab2c95b0d9fa0b87188c7f255fd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff18bfee4a3d0a5bda6e1ffab60ade4dbdd7ab2c95b0d9fa0b87188c7f255fd6", kill_on_drop: false }` [INFO] [stdout] ff18bfee4a3d0a5bda6e1ffab60ade4dbdd7ab2c95b0d9fa0b87188c7f255fd6 [INFO] checking fzft/my-vm against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzft%2Fmy-vm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fzft/my-vm 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/fzft/my-vm [INFO] finished tweaking git repo https://github.com/fzft/my-vm [INFO] tweaked toml for git repo https://github.com/fzft/my-vm written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fzft/my-vm 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b49ccd3312a5cb200fcba5283c2dbc4daddea1a99d0aecb4cf5522b193fce28e [INFO] running `Command { std: "docker" "start" "-a" "b49ccd3312a5cb200fcba5283c2dbc4daddea1a99d0aecb4cf5522b193fce28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b49ccd3312a5cb200fcba5283c2dbc4daddea1a99d0aecb4cf5522b193fce28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b49ccd3312a5cb200fcba5283c2dbc4daddea1a99d0aecb4cf5522b193fce28e", kill_on_drop: false }` [INFO] [stdout] b49ccd3312a5cb200fcba5283c2dbc4daddea1a99d0aecb4cf5522b193fce28e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b2be524fd8a69e675b284611d9503af4f76551f8127b73d26383ed60b62e6be [INFO] running `Command { std: "docker" "start" "-a" "5b2be524fd8a69e675b284611d9503af4f76551f8127b73d26383ed60b62e6be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.4/src/exec.rs:899:13 [INFO] [stdout] | [INFO] [stdout] 899 | / match dfa::Fsm::reverse( [INFO] [stdout] 900 | | &self.ro.dfa_reverse, [INFO] [stdout] 901 | | self.cache.value(), [INFO] [stdout] 902 | | false, [INFO] [stdout] ... | [INFO] [stdout] 913 | | Quit => return Some(Quit), [INFO] [stdout] 914 | | }; [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5b2be524fd8a69e675b284611d9503af4f76551f8127b73d26383ed60b62e6be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b2be524fd8a69e675b284611d9503af4f76551f8127b73d26383ed60b62e6be", kill_on_drop: false }` [INFO] [stdout] 5b2be524fd8a69e675b284611d9503af4f76551f8127b73d26383ed60b62e6be