[INFO] cloning repository https://github.com/FrankCasanova/todo-cmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankCasanova/todo-cmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankCasanova%2Ftodo-cmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankCasanova%2Ftodo-cmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9c4658238cdccc75c14bcdd032e57bbcec24a17
[INFO] checking FrankCasanova/todo-cmd 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%2FFrankCasanova%2Ftodo-cmd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FrankCasanova/todo-cmd
[INFO] finished tweaking git repo https://github.com/FrankCasanova/todo-cmd
[INFO] tweaked toml for git repo https://github.com/FrankCasanova/todo-cmd written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FrankCasanova/todo-cmd 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/FrankCasanova/todo-cmd 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 86efaf85b339c792647d83ae4c6ac2a89e01aeed7f961c84f8fe19b573839a3c
[INFO] running `Command { std: "docker" "start" "-a" "86efaf85b339c792647d83ae4c6ac2a89e01aeed7f961c84f8fe19b573839a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86efaf85b339c792647d83ae4c6ac2a89e01aeed7f961c84f8fe19b573839a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86efaf85b339c792647d83ae4c6ac2a89e01aeed7f961c84f8fe19b573839a3c", kill_on_drop: false }`
[INFO] [stdout] 86efaf85b339c792647d83ae4c6ac2a89e01aeed7f961c84f8fe19b573839a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bf283767cffe69544621c2f8561c3da17972e56a4b25fa1840265952ed34669a
[INFO] running `Command { std: "docker" "start" "-a" "bf283767cffe69544621c2f8561c3da17972e56a4b25fa1840265952ed34669a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking todo-cmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `task` is never read
[INFO] [stdout]   --> src/cli.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     Add {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 11 |         task: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/cli.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Done {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 15 |         #[structopt()]
[INFO] [stdout] 16 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `journal_file` are never read
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CommandLineArgs {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 28 |     #[structopt(subcommand)]
[INFO] [stdout] 29 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub journal_file: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLineArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | /         /// The task description text.
[INFO] [stdout] 10 | |         #[structopt()]
[INFO] [stdout] 11 | |         task: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cmd` (bin "todo-cmd" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `task` is never read
[INFO] [stdout]   --> src/cli.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     Add {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 11 |         task: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/cli.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Done {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 15 |         #[structopt()]
[INFO] [stdout] 16 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `action` and `journal_file` are never read
[INFO] [stdout]   --> src/cli.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CommandLineArgs {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 28 |     #[structopt(subcommand)]
[INFO] [stdout] 29 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub journal_file: Option<PathBuf>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandLineArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | /         /// The task description text.
[INFO] [stdout] 10 | |         #[structopt()]
[INFO] [stdout] 11 | |         task: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo-cmd` (bin "todo-cmd") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bf283767cffe69544621c2f8561c3da17972e56a4b25fa1840265952ed34669a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf283767cffe69544621c2f8561c3da17972e56a4b25fa1840265952ed34669a", kill_on_drop: false }`
[INFO] [stdout] bf283767cffe69544621c2f8561c3da17972e56a4b25fa1840265952ed34669a
