[INFO] cloning repository https://github.com/Hand-of-Cthulhu/quiz_file_creator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hand-of-Cthulhu/quiz_file_creator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-of-Cthulhu%2Fquiz_file_creator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-of-Cthulhu%2Fquiz_file_creator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b157581b3c5d4314f1bf8afacd4951ba3f10cf78 [INFO] checking Hand-of-Cthulhu/quiz_file_creator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-of-Cthulhu%2Fquiz_file_creator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator 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/Hand-of-Cthulhu/quiz_file_creator [INFO] finished tweaking git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator [INFO] tweaked toml for git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator 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] Downloading crates ... [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [INFO] [stderr] Downloaded regex-syntax v0.6.0 [INFO] [stderr] Downloaded libc v0.2.41 [INFO] [stderr] Downloaded nix v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8e971be29ca1bc03e62376ac4292dee75092b64ee854330585b222dadf8ad79f [INFO] running `Command { std: "docker" "start" "-a" "8e971be29ca1bc03e62376ac4292dee75092b64ee854330585b222dadf8ad79f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e971be29ca1bc03e62376ac4292dee75092b64ee854330585b222dadf8ad79f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e971be29ca1bc03e62376ac4292dee75092b64ee854330585b222dadf8ad79f", kill_on_drop: false }` [INFO] [stdout] 8e971be29ca1bc03e62376ac4292dee75092b64ee854330585b222dadf8ad79f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 530671199e5be8f59a1e0cb038c49e9c8b395e6fc952684c5d6be1bd4e4bbafb [INFO] running `Command { std: "docker" "start" "-a" "530671199e5be8f59a1e0cb038c49e9c8b395e6fc952684c5d6be1bd4e4bbafb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking quiz_file_creator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed"); [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] 61 | let _ = fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed"); [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] 61 | let _ = fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "530671199e5be8f59a1e0cb038c49e9c8b395e6fc952684c5d6be1bd4e4bbafb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "530671199e5be8f59a1e0cb038c49e9c8b395e6fc952684c5d6be1bd4e4bbafb", kill_on_drop: false }` [INFO] [stdout] 530671199e5be8f59a1e0cb038c49e9c8b395e6fc952684c5d6be1bd4e4bbafb [INFO] checking Hand-of-Cthulhu/quiz_file_creator against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-of-Cthulhu%2Fquiz_file_creator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator 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/Hand-of-Cthulhu/quiz_file_creator [INFO] finished tweaking git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator [INFO] tweaked toml for git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Hand-of-Cthulhu/quiz_file_creator 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fa03b99b3fc7ce6e9307e1c6dc75c2a55df9282c3dda2bedb351f37db19e089e [INFO] running `Command { std: "docker" "start" "-a" "fa03b99b3fc7ce6e9307e1c6dc75c2a55df9282c3dda2bedb351f37db19e089e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa03b99b3fc7ce6e9307e1c6dc75c2a55df9282c3dda2bedb351f37db19e089e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa03b99b3fc7ce6e9307e1c6dc75c2a55df9282c3dda2bedb351f37db19e089e", kill_on_drop: false }` [INFO] [stdout] fa03b99b3fc7ce6e9307e1c6dc75c2a55df9282c3dda2bedb351f37db19e089e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ddec35182072e55fdd6ec24f3acffea956bbff6c20110e11d77641b70575fed2 [INFO] running `Command { std: "docker" "start" "-a" "ddec35182072e55fdd6ec24f3acffea956bbff6c20110e11d77641b70575fed2", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking regex-syntax v0.6.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustyline-1.0.0/src/tty/unix.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | try!(Err(nix::Error::from_errno(ENOTTY))); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 83 | try!(Err::(nix::Error::from_errno(ENOTTY))); [INFO] [stdout] | +++++++++++++++++ [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 `rustyline` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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" "ddec35182072e55fdd6ec24f3acffea956bbff6c20110e11d77641b70575fed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddec35182072e55fdd6ec24f3acffea956bbff6c20110e11d77641b70575fed2", kill_on_drop: false }` [INFO] [stdout] ddec35182072e55fdd6ec24f3acffea956bbff6c20110e11d77641b70575fed2