[INFO] cloning repository https://github.com/lud/nobrain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lud/nobrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flud%2Fnobrain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flud%2Fnobrain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 161b40ceedeb1d98220241600ba6f47ec1ae98c6 [INFO] checking lud/nobrain against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flud%2Fnobrain" "/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/lud/nobrain 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/lud/nobrain [INFO] finished tweaking git repo https://github.com/lud/nobrain [INFO] tweaked toml for git repo https://github.com/lud/nobrain written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lud/nobrain 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 data-encoding-macro-internal v0.1.8 [INFO] [stderr] Downloaded termios v0.3.2 [INFO] [stderr] Downloaded data-encoding-macro v0.1.8 [INFO] [stderr] Downloaded console v0.11.2 [INFO] [stderr] Downloaded data-encoding v2.2.0 [INFO] [stderr] Downloaded terminal_size v0.1.12 [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] d735f36f5cd3a5799c70c1776ef7f46d4df6e65e7f12e078cc78735d61a0a9b9 [INFO] running `Command { std: "docker" "start" "-a" "d735f36f5cd3a5799c70c1776ef7f46d4df6e65e7f12e078cc78735d61a0a9b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d735f36f5cd3a5799c70c1776ef7f46d4df6e65e7f12e078cc78735d61a0a9b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d735f36f5cd3a5799c70c1776ef7f46d4df6e65e7f12e078cc78735d61a0a9b9", kill_on_drop: false }` [INFO] [stdout] d735f36f5cd3a5799c70c1776ef7f46d4df6e65e7f12e078cc78735d61a0a9b9 [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] d7d1e5d55502e4512536417fd62649c5e9b8e9cf5adeff779e70e5c44b24cf4b [INFO] running `Command { std: "docker" "start" "-a" "d7d1e5d55502e4512536417fd62649c5e9b8e9cf5adeff779e70e5c44b24cf4b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling data-encoding v2.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.12 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking console v0.11.2 [INFO] [stderr] Checking dialoguer v0.6.2 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.8 [INFO] [stderr] Checking data-encoding-macro v0.1.8 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking nobrain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [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 4.07s [INFO] running `Command { std: "docker" "inspect" "d7d1e5d55502e4512536417fd62649c5e9b8e9cf5adeff779e70e5c44b24cf4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7d1e5d55502e4512536417fd62649c5e9b8e9cf5adeff779e70e5c44b24cf4b", kill_on_drop: false }` [INFO] [stdout] d7d1e5d55502e4512536417fd62649c5e9b8e9cf5adeff779e70e5c44b24cf4b [INFO] checking lud/nobrain against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flud%2Fnobrain" "/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/lud/nobrain 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/lud/nobrain [INFO] finished tweaking git repo https://github.com/lud/nobrain [INFO] tweaked toml for git repo https://github.com/lud/nobrain written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lud/nobrain 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] 4cf9a96a26eeabeae69b2265401ba0dfd452c362b60ea694add6e100e4aa2873 [INFO] running `Command { std: "docker" "start" "-a" "4cf9a96a26eeabeae69b2265401ba0dfd452c362b60ea694add6e100e4aa2873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cf9a96a26eeabeae69b2265401ba0dfd452c362b60ea694add6e100e4aa2873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cf9a96a26eeabeae69b2265401ba0dfd452c362b60ea694add6e100e4aa2873", kill_on_drop: false }` [INFO] [stdout] 4cf9a96a26eeabeae69b2265401ba0dfd452c362b60ea694add6e100e4aa2873 [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] b651dc0e91aab5d4c1f7af0ab59180418ea67dfe13438036462e47ad87e0cf44 [INFO] running `Command { std: "docker" "start" "-a" "b651dc0e91aab5d4c1f7af0ab59180418ea67dfe13438036462e47ad87e0cf44", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling data-encoding v2.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking terminal_size v0.1.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pbkdf2-0.3.0/src/simple.rs:77:34 [INFO] [stdout] | [INFO] [stdout] 77 | if iter.next() != Some("") { Err(CheckError::InvalidFormat)?; } [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] 77 | if iter.next() != Some("") { Err::(CheckError::InvalidFormat)?; } [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 `pbkdf2` (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-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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" "b651dc0e91aab5d4c1f7af0ab59180418ea67dfe13438036462e47ad87e0cf44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b651dc0e91aab5d4c1f7af0ab59180418ea67dfe13438036462e47ad87e0cf44", kill_on_drop: false }` [INFO] [stdout] b651dc0e91aab5d4c1f7af0ab59180418ea67dfe13438036462e47ad87e0cf44