[INFO] cloning repository https://github.com/iotemplates/rust-cli [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iotemplates/rust-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiotemplates%2Frust-cli", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiotemplates%2Frust-cli'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 194b2ec58e99348e685bc95cebad910d22b0c55c [INFO] checking iotemplates/rust-cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiotemplates%2Frust-cli" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/iotemplates/rust-cli [INFO] finished tweaking git repo https://github.com/iotemplates/rust-cli [INFO] tweaked toml for git repo https://github.com/iotemplates/rust-cli written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/iotemplates/rust-cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/iotemplates/rust-cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27fa8a2aba4d028a99e502a4d2281c6df373538a8c4023dbcf3a109d99079d83 [INFO] running `Command { std: "docker" "start" "-a" "27fa8a2aba4d028a99e502a4d2281c6df373538a8c4023dbcf3a109d99079d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27fa8a2aba4d028a99e502a4d2281c6df373538a8c4023dbcf3a109d99079d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fa8a2aba4d028a99e502a4d2281c6df373538a8c4023dbcf3a109d99079d83", kill_on_drop: false }` [INFO] [stdout] 27fa8a2aba4d028a99e502a4d2281c6df373538a8c4023dbcf3a109d99079d83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81f5483b2ce4a9cb71804e5de2ebf3aef9d2090b6ffd50c8f23c724d3146c442 [INFO] running `Command { std: "docker" "start" "-a" "81f5483b2ce4a9cb71804e5de2ebf3aef9d2090b6ffd50c8f23c724d3146c442", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking paw v1.0.0 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking rust-cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:21:53 [INFO] [stdout] | [INFO] [stdout] 21 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 22 | | match s { [INFO] [stdout] 23 | | "auto" => Ok(Color::Auto), [INFO] [stdout] 24 | | "always" => Ok(Color::Always), [INFO] [stdout] ... | [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | / match s { [INFO] [stdout] 23 | | "auto" => Ok(Color::Auto), [INFO] [stdout] 24 | | "always" => Ok(Color::Always), [INFO] [stdout] 25 | | "never" => Ok(Color::Never), [INFO] [stdout] 26 | | _ => Ok(Color::Always) [INFO] [stdout] 27 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:23:23 [INFO] [stdout] | [INFO] [stdout] 23 | "auto" => Ok(Color::Auto), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | "always" => Ok(Color::Always), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:25:24 [INFO] [stdout] | [INFO] [stdout] 25 | "never" => Ok(Color::Never), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | _ => Ok(Color::Always) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / #[structopt(short = "h", long = "hide")] [INFO] [stdout] 42 | | hide: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:44:67 [INFO] [stdout] | [INFO] [stdout] 44 | #[structopt(short = "c", long = "color", parse(try_from_str = std::str::FromStr::from_str), default_value="always")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | path: String [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-cli` (bin "rust-cli") due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:21:53 [INFO] [stdout] | [INFO] [stdout] 21 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 22 | | match s { [INFO] [stdout] 23 | | "auto" => Ok(Color::Auto), [INFO] [stdout] 24 | | "always" => Ok(Color::Always), [INFO] [stdout] ... | [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | / match s { [INFO] [stdout] 23 | | "auto" => Ok(Color::Auto), [INFO] [stdout] 24 | | "always" => Ok(Color::Always), [INFO] [stdout] 25 | | "never" => Ok(Color::Never), [INFO] [stdout] 26 | | _ => Ok(Color::Always) [INFO] [stdout] 27 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:23:23 [INFO] [stdout] | [INFO] [stdout] 23 | "auto" => Ok(Color::Auto), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | "always" => Ok(Color::Always), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:25:24 [INFO] [stdout] | [INFO] [stdout] 25 | "never" => Ok(Color::Never), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | _ => Ok(Color::Always) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | / #[structopt(short = "h", long = "hide")] [INFO] [stdout] 42 | | hide: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:44:67 [INFO] [stdout] | [INFO] [stdout] 44 | #[structopt(short = "c", long = "color", parse(try_from_str = std::str::FromStr::from_str), default_value="always")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | path: String [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-cli` (bin "rust-cli" test) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "81f5483b2ce4a9cb71804e5de2ebf3aef9d2090b6ffd50c8f23c724d3146c442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f5483b2ce4a9cb71804e5de2ebf3aef9d2090b6ffd50c8f23c724d3146c442", kill_on_drop: false }` [INFO] [stdout] 81f5483b2ce4a9cb71804e5de2ebf3aef9d2090b6ffd50c8f23c724d3146c442