[INFO] cloning repository https://github.com/tarka/dau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarka/dau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarka%2Fdau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarka%2Fdau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 873d16f3268ee7c0442e35ff2e65cf9c03ad0d0f
[INFO] checking tarka/dau 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%2Ftarka%2Fdau" "/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/tarka/dau
[INFO] finished tweaking git repo https://github.com/tarka/dau
[INFO] tweaked toml for git repo https://github.com/tarka/dau written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tarka/dau 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/tarka/dau 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] a750e3387f8760de99dcb1f1ead6acab6620af77920fb7815907f0a90a3d3217
[INFO] running `Command { std: "docker" "start" "-a" "a750e3387f8760de99dcb1f1ead6acab6620af77920fb7815907f0a90a3d3217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a750e3387f8760de99dcb1f1ead6acab6620af77920fb7815907f0a90a3d3217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a750e3387f8760de99dcb1f1ead6acab6620af77920fb7815907f0a90a3d3217", kill_on_drop: false }`
[INFO] [stdout] a750e3387f8760de99dcb1f1ead6acab6620af77920fb7815907f0a90a3d3217
[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] 394222b86981f074c0e7284ee1a55aab69d08a00458ecc0c7bef4b57b9e18adf
[INFO] running `Command { std: "docker" "start" "-a" "394222b86981f074c0e7284ee1a55aab69d08a00458ecc0c7bef4b57b9e18adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling escargot v0.5.2
[INFO] [stderr]    Compiling dau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking pam v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/errors.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use anyhow::{Result, Error};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]  --> src/auth.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/auth.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn auth_user(opts: &Opts, config: &Config) -> Result<()> {
[INFO] [stdout]   |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]  --> src/auth.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pw = read_password_from_tty(Some("Password: "))?;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `perms` is never read
[INFO] [stdout]   --> src/config.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     perms: HashMap<String, Perm>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` 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] [stderr] error: could not compile `dau` (bin "dau") due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] warning: fields `user`, `login`, and `command` are never read
[INFO] [stdout]   --> src/options.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Opts {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub user: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub login: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub command: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opts` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/options.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// Execute as this user (default 'root')
[INFO] [stdout] 32 | |     #[structopt(short = "u", long = "user")]
[INFO] [stdout] 33 | |     pub user: Option<String>,
[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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/options.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     #[structopt()]
[INFO] [stdout] 40 | |     pub command: Vec<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "394222b86981f074c0e7284ee1a55aab69d08a00458ecc0c7bef4b57b9e18adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394222b86981f074c0e7284ee1a55aab69d08a00458ecc0c7bef4b57b9e18adf", kill_on_drop: false }`
[INFO] [stdout] 394222b86981f074c0e7284ee1a55aab69d08a00458ecc0c7bef4b57b9e18adf
