[INFO] cloning repository https://github.com/UnlawfulMonad/regtest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnlawfulMonad/regtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnlawfulMonad%2Fregtest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnlawfulMonad%2Fregtest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 263c3a5cdf093113a911b84579d4c0eb3b609b49 [INFO] checking UnlawfulMonad/regtest against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnlawfulMonad%2Fregtest" "/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/UnlawfulMonad/regtest 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/UnlawfulMonad/regtest [INFO] finished tweaking git repo https://github.com/UnlawfulMonad/regtest [INFO] tweaked toml for git repo https://github.com/UnlawfulMonad/regtest written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/UnlawfulMonad/regtest 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 atty v0.2.6 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded clap v2.29.0 [INFO] [stderr] Downloaded regex-syntax v0.6.1 [INFO] [stderr] Downloaded regex v1.0.1 [INFO] [stderr] Downloaded winapi v0.3.3 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded redox_syscall v0.1.34 [INFO] [stderr] Downloaded libc v0.2.35 [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] 3d933e6aa22b67054850c19db07e57aaef61a856bd9d96c866f64a4790714d77 [INFO] running `Command { std: "docker" "start" "-a" "3d933e6aa22b67054850c19db07e57aaef61a856bd9d96c866f64a4790714d77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d933e6aa22b67054850c19db07e57aaef61a856bd9d96c866f64a4790714d77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d933e6aa22b67054850c19db07e57aaef61a856bd9d96c866f64a4790714d77", kill_on_drop: false }` [INFO] [stdout] 3d933e6aa22b67054850c19db07e57aaef61a856bd9d96c866f64a4790714d77 [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] db9ceb5667c316c747a704a99ad278f80cb44288762c444d1abb92e0f38136c6 [INFO] running `Command { std: "docker" "start" "-a" "db9ceb5667c316c747a704a99ad278f80cb44288762c444d1abb92e0f38136c6", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.35 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.1 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking xdg v2.1.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking app_dirs v1.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking regtest v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | / bitflags! { [INFO] [stdout] 49 | | flags Config: u32 { [INFO] [stdout] 50 | | const VERBOSE_ERRORS = 0b00000001, [INFO] [stdout] 51 | | const CAPTURE_GROUPS = 0b00000010, [INFO] [stdout] 52 | | const COMPILE_TIME = 0b00000100, [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | / bitflags! { [INFO] [stdout] 49 | | flags Config: u32 { [INFO] [stdout] 50 | | const VERBOSE_ERRORS = 0b00000001, [INFO] [stdout] 51 | | const CAPTURE_GROUPS = 0b00000010, [INFO] [stdout] 52 | | const COMPILE_TIME = 0b00000100, [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | / bitflags! { [INFO] [stdout] 49 | | flags Config: u32 { [INFO] [stdout] 50 | | const VERBOSE_ERRORS = 0b00000001, [INFO] [stdout] 51 | | const CAPTURE_GROUPS = 0b00000010, [INFO] [stdout] 52 | | const COMPILE_TIME = 0b00000100, [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | / bitflags! { [INFO] [stdout] 49 | | flags Config: u32 { [INFO] [stdout] 50 | | const VERBOSE_ERRORS = 0b00000001, [INFO] [stdout] 51 | | const CAPTURE_GROUPS = 0b00000010, [INFO] [stdout] 52 | | const COMPILE_TIME = 0b00000100, [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [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 2.11s [INFO] running `Command { std: "docker" "inspect" "db9ceb5667c316c747a704a99ad278f80cb44288762c444d1abb92e0f38136c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db9ceb5667c316c747a704a99ad278f80cb44288762c444d1abb92e0f38136c6", kill_on_drop: false }` [INFO] [stdout] db9ceb5667c316c747a704a99ad278f80cb44288762c444d1abb92e0f38136c6 [INFO] checking UnlawfulMonad/regtest against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnlawfulMonad%2Fregtest" "/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/UnlawfulMonad/regtest 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/UnlawfulMonad/regtest [INFO] finished tweaking git repo https://github.com/UnlawfulMonad/regtest [INFO] tweaked toml for git repo https://github.com/UnlawfulMonad/regtest written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/UnlawfulMonad/regtest 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-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] be5275901a0dabb0a6722accdb7ff2182a6945f7a56d49212327e0b0054b7184 [INFO] running `Command { std: "docker" "start" "-a" "be5275901a0dabb0a6722accdb7ff2182a6945f7a56d49212327e0b0054b7184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be5275901a0dabb0a6722accdb7ff2182a6945f7a56d49212327e0b0054b7184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be5275901a0dabb0a6722accdb7ff2182a6945f7a56d49212327e0b0054b7184", kill_on_drop: false }` [INFO] [stdout] be5275901a0dabb0a6722accdb7ff2182a6945f7a56d49212327e0b0054b7184 [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] 57dfaef47def816e3e5267f2d7f482709cd07fc51f181d9ef476d32ca25480c3 [INFO] running `Command { std: "docker" "start" "-a" "57dfaef47def816e3e5267f2d7f482709cd07fc51f181d9ef476d32ca25480c3", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.35 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.1 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking xdg v2.1.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Checking app_dirs v1.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking clap v2.29.0 [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-1.0.1/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" "57dfaef47def816e3e5267f2d7f482709cd07fc51f181d9ef476d32ca25480c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57dfaef47def816e3e5267f2d7f482709cd07fc51f181d9ef476d32ca25480c3", kill_on_drop: false }` [INFO] [stdout] 57dfaef47def816e3e5267f2d7f482709cd07fc51f181d9ef476d32ca25480c3