[INFO] cloning repository https://github.com/SkoogJacob/secret_message [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SkoogJacob/secret_message" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkoogJacob%2Fsecret_message", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkoogJacob%2Fsecret_message'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0fad19c0421c3293a933e3bfe89cc536a79b102f [INFO] checking SkoogJacob/secret_message against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkoogJacob%2Fsecret_message" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SkoogJacob/secret_message 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/SkoogJacob/secret_message [INFO] finished tweaking git repo https://github.com/SkoogJacob/secret_message [INFO] tweaked toml for git repo https://github.com/SkoogJacob/secret_message written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SkoogJacob/secret_message 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] [stderr] warning: unused manifest key: package.about [INFO] [stderr] warning: unused manifest key: package.author [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded phf v0.11.1 [INFO] [stderr] Downloaded const_format_proc_macros v0.2.22 [INFO] [stderr] Downloaded phf_shared v0.11.1 [INFO] [stderr] Downloaded const_format v0.2.26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 06a7f26f988f2d29516b3934b9239bf2099c9f847344273d1e622ab3721ae5e3 [INFO] running `Command { std: "docker" "start" "-a" "06a7f26f988f2d29516b3934b9239bf2099c9f847344273d1e622ab3721ae5e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06a7f26f988f2d29516b3934b9239bf2099c9f847344273d1e622ab3721ae5e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06a7f26f988f2d29516b3934b9239bf2099c9f847344273d1e622ab3721ae5e3", kill_on_drop: false }` [INFO] [stdout] 06a7f26f988f2d29516b3934b9239bf2099c9f847344273d1e622ab3721ae5e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7ed6acc2b8cd0f836c814acbb46cbb7ef484c0a06d29d5659fdf274e4c8f15b0 [INFO] running `Command { std: "docker" "start" "-a" "7ed6acc2b8cd0f836c814acbb46cbb7ef484c0a06d29d5659fdf274e4c8f15b0", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.about [INFO] [stderr] warning: unused manifest key: package.author [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking phf_shared v0.11.1 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking phf v0.11.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking const_format v0.2.26 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking clap v3.2.20 [INFO] [stderr] Checking secret_message v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/lib.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Morse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | fn len(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/lib.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Morse { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | fn len(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `regex` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use regex; [INFO] [stdout] | ^^^^^ the item `regex` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "7ed6acc2b8cd0f836c814acbb46cbb7ef484c0a06d29d5659fdf274e4c8f15b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed6acc2b8cd0f836c814acbb46cbb7ef484c0a06d29d5659fdf274e4c8f15b0", kill_on_drop: false }` [INFO] [stdout] 7ed6acc2b8cd0f836c814acbb46cbb7ef484c0a06d29d5659fdf274e4c8f15b0 [INFO] checking SkoogJacob/secret_message against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkoogJacob%2Fsecret_message" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SkoogJacob/secret_message 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/SkoogJacob/secret_message [INFO] finished tweaking git repo https://github.com/SkoogJacob/secret_message [INFO] tweaked toml for git repo https://github.com/SkoogJacob/secret_message written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SkoogJacob/secret_message 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] [stderr] warning: unused manifest key: package.about [INFO] [stderr] warning: unused manifest key: package.author [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e5d254b7af3b654b6c62e778dbe291f011b924f7e51cd3d1b03873ec04994da [INFO] running `Command { std: "docker" "start" "-a" "9e5d254b7af3b654b6c62e778dbe291f011b924f7e51cd3d1b03873ec04994da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e5d254b7af3b654b6c62e778dbe291f011b924f7e51cd3d1b03873ec04994da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e5d254b7af3b654b6c62e778dbe291f011b924f7e51cd3d1b03873ec04994da", kill_on_drop: false }` [INFO] [stdout] 9e5d254b7af3b654b6c62e778dbe291f011b924f7e51cd3d1b03873ec04994da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea21c5ec2c7b3f3f336608da631e38c506b8783f41840fe0f4e99b33559e37bf [INFO] running `Command { std: "docker" "start" "-a" "ea21c5ec2c7b3f3f336608da631e38c506b8783f41840fe0f4e99b33559e37bf", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.about [INFO] [stderr] warning: unused manifest key: package.author [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking phf_shared v0.11.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking phf v0.11.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Checking const_format v0.2.26 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ea21c5ec2c7b3f3f336608da631e38c506b8783f41840fe0f4e99b33559e37bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea21c5ec2c7b3f3f336608da631e38c506b8783f41840fe0f4e99b33559e37bf", kill_on_drop: false }` [INFO] [stdout] ea21c5ec2c7b3f3f336608da631e38c506b8783f41840fe0f4e99b33559e37bf