[INFO] cloning repository https://github.com/0m-ax/netbal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0m-ax/netbal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0m-ax%2Fnetbal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0m-ax%2Fnetbal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18354033d3ed88762c17c831e2db07ef53156c8e [INFO] checking 0m-ax/netbal against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0m-ax%2Fnetbal" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0m-ax/netbal 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/0m-ax/netbal [INFO] finished tweaking git repo https://github.com/0m-ax/netbal [INFO] tweaked toml for git repo https://github.com/0m-ax/netbal written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/0m-ax/netbal 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 humantime v2.0.1 [INFO] [stderr] Downloaded env_logger v0.8.2 [INFO] [stderr] Downloaded net2 v0.2.35 [INFO] [stderr] Downloaded cc v1.0.65 [INFO] [stderr] Downloaded nix v0.19.0 [INFO] [stderr] Downloaded syn v1.0.52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b2a79418969e5d34b4289878bd73b5868e893279ed124d9f4dd248016d859cfa [INFO] running `Command { std: "docker" "start" "-a" "b2a79418969e5d34b4289878bd73b5868e893279ed124d9f4dd248016d859cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2a79418969e5d34b4289878bd73b5868e893279ed124d9f4dd248016d859cfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2a79418969e5d34b4289878bd73b5868e893279ed124d9f4dd248016d859cfa", kill_on_drop: false }` [INFO] [stdout] b2a79418969e5d34b4289878bd73b5868e893279ed124d9f4dd248016d859cfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b6dbc6afdb85d724d36c9f40f226e3c55e983b8811bfaffe92c812d8ba6be0f [INFO] running `Command { std: "docker" "start" "-a" "2b6dbc6afdb85d724d36c9f40f226e3c55e983b8811bfaffe92c812d8ba6be0f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.19.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking netbal v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/event.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use mio::{Poll, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | use mio::*; [INFO] [stdout] | ------ the item `Poll` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/event.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use mio::{Poll, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | use mio::*; [INFO] [stdout] | ------ the item `Token` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/event.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/event.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use mio::{Poll, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | use mio::*; [INFO] [stdout] | ------ the item `Poll` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/event.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use mio::{Poll, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | use mio::*; [INFO] [stdout] | ------ the item `Token` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/event.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [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] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use log; [INFO] [stdout] | ^^^ the item `log` 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 `log` is imported redundantly [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use log; [INFO] [stdout] | ^^^ the item `log` 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 5.83s [INFO] running `Command { std: "docker" "inspect" "2b6dbc6afdb85d724d36c9f40f226e3c55e983b8811bfaffe92c812d8ba6be0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b6dbc6afdb85d724d36c9f40f226e3c55e983b8811bfaffe92c812d8ba6be0f", kill_on_drop: false }` [INFO] [stdout] 2b6dbc6afdb85d724d36c9f40f226e3c55e983b8811bfaffe92c812d8ba6be0f [INFO] checking 0m-ax/netbal against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0m-ax%2Fnetbal" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0m-ax/netbal 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/0m-ax/netbal [INFO] finished tweaking git repo https://github.com/0m-ax/netbal [INFO] tweaked toml for git repo https://github.com/0m-ax/netbal written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/0m-ax/netbal 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aea97e0c6102a705f775efe5097f9f0800bbae414c483e8a9574e8c77febca6e [INFO] running `Command { std: "docker" "start" "-a" "aea97e0c6102a705f775efe5097f9f0800bbae414c483e8a9574e8c77febca6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aea97e0c6102a705f775efe5097f9f0800bbae414c483e8a9574e8c77febca6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aea97e0c6102a705f775efe5097f9f0800bbae414c483e8a9574e8c77febca6e", kill_on_drop: false }` [INFO] [stdout] aea97e0c6102a705f775efe5097f9f0800bbae414c483e8a9574e8c77febca6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 01edf60bdbeb8bdba2c0fdc9755f16b17ec06c7296eff3337427af6b985d32f0 [INFO] running `Command { std: "docker" "start" "-a" "01edf60bdbeb8bdba2c0fdc9755f16b17ec06c7296eff3337427af6b985d32f0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.19.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "01edf60bdbeb8bdba2c0fdc9755f16b17ec06c7296eff3337427af6b985d32f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01edf60bdbeb8bdba2c0fdc9755f16b17ec06c7296eff3337427af6b985d32f0", kill_on_drop: false }` [INFO] [stdout] 01edf60bdbeb8bdba2c0fdc9755f16b17ec06c7296eff3337427af6b985d32f0