[INFO] cloning repository https://github.com/notmedia/tftp-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notmedia/tftp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5fb2b0ee00094063a9ef98ad83f3205ea4ec8d5 [INFO] checking notmedia/tftp-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs" "/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/notmedia/tftp-rs 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/notmedia/tftp-rs [INFO] finished tweaking git repo https://github.com/notmedia/tftp-rs [INFO] tweaked toml for git repo https://github.com/notmedia/tftp-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/notmedia/tftp-rs 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 serde_json v1.0.69 [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] b6c8fe917e5254f95d3f7ce34ef1eeb66a509ac23fb952e170a9386c7432f95b [INFO] running `Command { std: "docker" "start" "-a" "b6c8fe917e5254f95d3f7ce34ef1eeb66a509ac23fb952e170a9386c7432f95b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6c8fe917e5254f95d3f7ce34ef1eeb66a509ac23fb952e170a9386c7432f95b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6c8fe917e5254f95d3f7ce34ef1eeb66a509ac23fb952e170a9386c7432f95b", kill_on_drop: false }` [INFO] [stdout] b6c8fe917e5254f95d3f7ce34ef1eeb66a509ac23fb952e170a9386c7432f95b [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] d2e2bd7a4e3b89f9755e592b677947f0c8f1a3789ace037e56a57f5375fb0b0d [INFO] running `Command { std: "docker" "start" "-a" "d2e2bd7a4e3b89f9755e592b677947f0c8f1a3789ace037e56a57f5375fb0b0d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.69 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking config v0.11.0 [INFO] [stderr] Checking tftp-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `config::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use config::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `decoder::*` [INFO] [stdout] --> src/codec/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use decoder::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `config::*` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use config::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/codec/decoder.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | let result = Decoder::decode(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `command` [INFO] [stdout] --> src/ftp.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new(command: &str) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `command` [INFO] [stdout] --> src/ftp.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new(command: &str) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/ftp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Command { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 2 | USER, [INFO] [stdout] | ^^^^ [INFO] [stdout] 3 | QUIT, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | PORT, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | TYPE, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | MODE, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | STRU, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | RETR, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | STOR, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `None` is never constructed [INFO] [stdout] --> src/ftp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum ReplyMessage { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 18 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `command` is never read [INFO] [stdout] --> src/ftp.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Request { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 34 | pub command: Command, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ftp.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Request { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 38 | pub fn new(command: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Decoder` is never constructed [INFO] [stdout] --> src/codec/decoder.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Decoder {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `decode` is never used [INFO] [stdout] --> src/codec/decoder.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl Decoder { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 8 | pub fn decode() -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Command` is never used [INFO] [stdout] --> src/ftp.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Command { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `None` is never constructed [INFO] [stdout] --> src/ftp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum ReplyMessage { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 18 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Request` is never constructed [INFO] [stdout] --> src/ftp.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Request { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ftp.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Request { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 38 | pub fn new(command: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] running `Command { std: "docker" "inspect" "d2e2bd7a4e3b89f9755e592b677947f0c8f1a3789ace037e56a57f5375fb0b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e2bd7a4e3b89f9755e592b677947f0c8f1a3789ace037e56a57f5375fb0b0d", kill_on_drop: false }` [INFO] [stdout] d2e2bd7a4e3b89f9755e592b677947f0c8f1a3789ace037e56a57f5375fb0b0d [INFO] checking notmedia/tftp-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs" "/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/notmedia/tftp-rs 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/notmedia/tftp-rs [INFO] finished tweaking git repo https://github.com/notmedia/tftp-rs [INFO] tweaked toml for git repo https://github.com/notmedia/tftp-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/notmedia/tftp-rs 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] 634322f21203f08d8e8b1be2ca47dcfb6e316b3fba2679c085142cfd80bab680 [INFO] running `Command { std: "docker" "start" "-a" "634322f21203f08d8e8b1be2ca47dcfb6e316b3fba2679c085142cfd80bab680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "634322f21203f08d8e8b1be2ca47dcfb6e316b3fba2679c085142cfd80bab680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "634322f21203f08d8e8b1be2ca47dcfb6e316b3fba2679c085142cfd80bab680", kill_on_drop: false }` [INFO] [stdout] 634322f21203f08d8e8b1be2ca47dcfb6e316b3fba2679c085142cfd80bab680 [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] b63a119a5edd8cdc83fee8c17465b84f5ac2795d454d21fc8ab1bb6def382058 [INFO] running `Command { std: "docker" "start" "-a" "b63a119a5edd8cdc83fee8c17465b84f5ac2795d454d21fc8ab1bb6def382058", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.69 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "b63a119a5edd8cdc83fee8c17465b84f5ac2795d454d21fc8ab1bb6def382058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b63a119a5edd8cdc83fee8c17465b84f5ac2795d454d21fc8ab1bb6def382058", kill_on_drop: false }` [INFO] [stdout] b63a119a5edd8cdc83fee8c17465b84f5ac2795d454d21fc8ab1bb6def382058