[INFO] cloning repository https://github.com/taoml9527/command_help [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taoml9527/command_help" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaoml9527%2Fcommand_help", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaoml9527%2Fcommand_help'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65154663db8b169df9ea7a05a201d5e701e6778c [INFO] checking taoml9527/command_help against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaoml9527%2Fcommand_help" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/taoml9527/command_help [INFO] finished tweaking git repo https://github.com/taoml9527/command_help [INFO] tweaked toml for git repo https://github.com/taoml9527/command_help written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/taoml9527/command_help on toolchain cccf075eba88363269e8589ebb8d40874cc542d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/taoml9527/command_help 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded shellwords v1.0.0 [INFO] [stderr] Downloaded thiserror v1.0.12 [INFO] [stderr] Downloaded thiserror-impl v1.0.12 [INFO] [stderr] Downloaded termion v1.5.5 [INFO] [stderr] Downloaded raw_tty v0.1.0 [INFO] [stderr] Downloaded terminal_size v0.1.10 [INFO] [stderr] Downloaded anyhow v1.0.27 [INFO] [stderr] Downloaded openssl-src v111.6.1+1.1.1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7523b393e58c366e772de92382af265ff24f402ce3586619a0f89bf1d4688bb9 [INFO] running `Command { std: "docker" "start" "-a" "7523b393e58c366e772de92382af265ff24f402ce3586619a0f89bf1d4688bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7523b393e58c366e772de92382af265ff24f402ce3586619a0f89bf1d4688bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7523b393e58c366e772de92382af265ff24f402ce3586619a0f89bf1d4688bb9", kill_on_drop: false }` [INFO] [stdout] 7523b393e58c366e772de92382af265ff24f402ce3586619a0f89bf1d4688bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b8c813fbd6d34988a62e2cb6212ef556349b31a0e51e782960f845ad54cbdbf [INFO] running `Command { std: "docker" "start" "-a" "6b8c813fbd6d34988a62e2cb6212ef556349b31a0e51e782960f845ad54cbdbf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling anyhow v1.0.27 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.11 [INFO] [stderr] Compiling proc-macro-error v0.4.11 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking terminal_size v0.1.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling openssl-src v111.6.1+1.1.1d [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.9.2 [INFO] [stderr] Checking regex v1.3.5 [INFO] [stderr] Checking shellwords v1.0.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking raw_tty v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.12 [INFO] [stderr] Compiling structopt-derive v0.4.4 [INFO] [stderr] Checking thiserror v1.0.12 [INFO] [stderr] Checking structopt v0.3.11 [INFO] [stderr] Checking git2 v0.10.2 [INFO] [stderr] Checking navi v2.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/parser.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | fn parse_opts(text: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/parser.rs:75:20 [INFO] [stdout] | [INFO] [stdout] 75 | .collect::>() [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 75 - .collect::>() [INFO] [stdout] 75 + .collect::>() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/parser.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | fn parse_opts(text: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/parser.rs:75:20 [INFO] [stdout] | [INFO] [stdout] 75 | .collect::>() [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 75 - .collect::>() [INFO] [stdout] 75 + .collect::>() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: navi v2.4.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "6b8c813fbd6d34988a62e2cb6212ef556349b31a0e51e782960f845ad54cbdbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b8c813fbd6d34988a62e2cb6212ef556349b31a0e51e782960f845ad54cbdbf", kill_on_drop: false }` [INFO] [stdout] 6b8c813fbd6d34988a62e2cb6212ef556349b31a0e51e782960f845ad54cbdbf