[INFO] cloning repository https://github.com/quebin31/rsc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quebin31/rsc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frsc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frsc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 642e2d9ac592cf6c0a39152fb7cbbcb89a08762a [INFO] checking quebin31/rsc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frsc" "/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/quebin31/rsc 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/quebin31/rsc [INFO] finished tweaking git repo https://github.com/quebin31/rsc [INFO] tweaked toml for git repo https://github.com/quebin31/rsc written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/quebin31/rsc 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded users v0.9.1 [INFO] [stderr] Downloaded termcolor v0.3.6 [INFO] [stderr] Downloaded os_type v2.2.0 [INFO] [stderr] Downloaded uuid v0.6.5 [INFO] [stderr] Downloaded human-panic v1.0.1 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded failure_derive v0.1.7 [INFO] [stderr] Downloaded dirs-sys v0.3.4 [INFO] [stderr] Downloaded aho-corasick v0.7.9 [INFO] [stderr] Downloaded backtrace v0.3.45 [INFO] [stderr] Downloaded failure v0.1.7 [INFO] [stderr] Downloaded regex-syntax v0.6.16 [INFO] [stderr] Downloaded backtrace-sys v0.1.33 [INFO] [stderr] Downloaded wincolor v0.1.6 [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] 8e4be6dfac20dc1e1a4cfcd7c34bb0758c226c6dc5660ae89cc9588dd2aa1593 [INFO] running `Command { std: "docker" "start" "-a" "8e4be6dfac20dc1e1a4cfcd7c34bb0758c226c6dc5660ae89cc9588dd2aa1593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e4be6dfac20dc1e1a4cfcd7c34bb0758c226c6dc5660ae89cc9588dd2aa1593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e4be6dfac20dc1e1a4cfcd7c34bb0758c226c6dc5660ae89cc9588dd2aa1593", kill_on_drop: false }` [INFO] [stdout] 8e4be6dfac20dc1e1a4cfcd7c34bb0758c226c6dc5660ae89cc9588dd2aa1593 [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] 68677abf7780f369b4702631230625ef62488ffcd57d88b3934974c663d62dd9 [INFO] running `Command { std: "docker" "start" "-a" "68677abf7780f369b4702631230625ef62488ffcd57d88b3934974c663d62dd9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking os_type v2.2.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking human-panic v1.0.1 [INFO] [stderr] Checking rsc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/config.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/config.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/config.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `users` is imported redundantly [INFO] [stdout] --> src/util.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use users; [INFO] [stdout] | ^^^^^ the item `users` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/config.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/config.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/config.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `users` is imported redundantly [INFO] [stdout] --> src/util.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use users; [INFO] [stdout] | ^^^^^ the item `users` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `address` and `port` are never read [INFO] [stdout] --> src/config.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 79 | address: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 80 | port: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/rsc/server.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RscServer { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | pub config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RscServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `address` and `port` are never read [INFO] [stdout] --> src/config.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 79 | address: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 80 | port: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/rsc/server.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RscServer { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 26 | pub config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RscServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s [INFO] running `Command { std: "docker" "inspect" "68677abf7780f369b4702631230625ef62488ffcd57d88b3934974c663d62dd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68677abf7780f369b4702631230625ef62488ffcd57d88b3934974c663d62dd9", kill_on_drop: false }` [INFO] [stdout] 68677abf7780f369b4702631230625ef62488ffcd57d88b3934974c663d62dd9 [INFO] checking quebin31/rsc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Frsc" "/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/quebin31/rsc 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/quebin31/rsc [INFO] finished tweaking git repo https://github.com/quebin31/rsc [INFO] tweaked toml for git repo https://github.com/quebin31/rsc written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/quebin31/rsc 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] 0a411a868683c607452a4c1228ff082f8127e93f96cde01f77b558367a4ea060 [INFO] running `Command { std: "docker" "start" "-a" "0a411a868683c607452a4c1228ff082f8127e93f96cde01f77b558367a4ea060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a411a868683c607452a4c1228ff082f8127e93f96cde01f77b558367a4ea060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a411a868683c607452a4c1228ff082f8127e93f96cde01f77b558367a4ea060", kill_on_drop: false }` [INFO] [stdout] 0a411a868683c607452a4c1228ff082f8127e93f96cde01f77b558367a4ea060 [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] 16bbb6161108774055fae45a5af33c415cf687f35e72174cdf97667c7227b713 [INFO] running `Command { std: "docker" "start" "-a" "16bbb6161108774055fae45a5af33c415cf687f35e72174cdf97667c7227b713", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.4/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" "16bbb6161108774055fae45a5af33c415cf687f35e72174cdf97667c7227b713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16bbb6161108774055fae45a5af33c415cf687f35e72174cdf97667c7227b713", kill_on_drop: false }` [INFO] [stdout] 16bbb6161108774055fae45a5af33c415cf687f35e72174cdf97667c7227b713