[INFO] cloning repository https://github.com/mdsherry/ministat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsherry/ministat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6438d34a2e9589c89c711539c13f432b31829932
[INFO] checking mdsherry/ministat 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%2Fmdsherry%2Fministat" "/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/mdsherry/ministat
[INFO] finished tweaking git repo https://github.com/mdsherry/ministat
[INFO] tweaked toml for git repo https://github.com/mdsherry/ministat written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mdsherry/ministat 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/mdsherry/ministat 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] 08c77f21b0014edea30f50315c3bb90554fcb912337fa5b19fd758c22afc657e
[INFO] running `Command { std: "docker" "start" "-a" "08c77f21b0014edea30f50315c3bb90554fcb912337fa5b19fd758c22afc657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c77f21b0014edea30f50315c3bb90554fcb912337fa5b19fd758c22afc657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c77f21b0014edea30f50315c3bb90554fcb912337fa5b19fd758c22afc657e", kill_on_drop: false }`
[INFO] [stdout] 08c77f21b0014edea30f50315c3bb90554fcb912337fa5b19fd758c22afc657e
[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] 802c27d3657f54a7cc96d1b2bd4ec4703abb1a78ea1e1e4061bf34fa522b2ade
[INFO] running `Command { std: "docker" "start" "-a" "802c27d3657f54a7cc96d1b2bd4ec4703abb1a78ea1e1e4061bf34fa522b2ade", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking anyhow v1.0.57
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking terminal_size v0.1.7
[INFO] [stderr]     Checking kahan v0.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking ministat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     #[clap(short = 'd', long = "delimit", default_value = " \t")]
[INFO] [stdout] 43 | |     /// Specifies the column delimiter characters, default is SPACE and TAB.
[INFO] [stdout] 44 | |     /// See strtok(3) for details.
[INFO] [stdout] 45 | |     pub delimiter: 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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[clap(long = "symbols")]
[INFO] [stdout] 56 | |     pub symbols: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     #[clap(short = 'd', long = "delimit", default_value = " \t")]
[INFO] [stdout] 43 | |     /// Specifies the column delimiter characters, default is SPACE and TAB.
[INFO] [stdout] 44 | |     /// See strtok(3) for details.
[INFO] [stdout] 45 | |     pub delimiter: 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 `ministat` (bin "ministat") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     #[clap(long = "symbols")]
[INFO] [stdout] 56 | |     pub symbols: Option<String>,
[INFO] [stdout]    | |_______________________________^
[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: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:247:23
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 path: PathBuf::from_str("file1").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 path: PathBuf::from_str("file2").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 path: PathBuf::from_str("file3").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:259:23
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 path: PathBuf::from_str("file4").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:263:23
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 path: PathBuf::from_str("file5").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |                 path: PathBuf::from_str("file6").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:271:23
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 path: PathBuf::from_str("file7").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:286:23
[INFO] [stdout]     |
[INFO] [stdout] 286 |                 path: PathBuf::from_str("file1").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:290:23
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 path: PathBuf::from_str("file2").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:294:23
[INFO] [stdout]     |
[INFO] [stdout] 294 |                 path: PathBuf::from_str("file3").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:298:23
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 path: PathBuf::from_str("file4").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:302:23
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 path: PathBuf::from_str("file5").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:306:23
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 path: PathBuf::from_str("file6").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 path: PathBuf::from_str("file7").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:328:23
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 path: PathBuf::from_str("file1").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:332:23
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 path: PathBuf::from_str("file2").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 path: PathBuf::from_str("file3").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 path: PathBuf::from_str("file4").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:344:23
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 path: PathBuf::from_str("file5").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:348:23
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 path: PathBuf::from_str("file6").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:352:23
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 path: PathBuf::from_str("file7").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/plot.rs:356:23
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 path: PathBuf::from_str("file8").unwrap(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ministat` (bin "ministat" test) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "802c27d3657f54a7cc96d1b2bd4ec4703abb1a78ea1e1e4061bf34fa522b2ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802c27d3657f54a7cc96d1b2bd4ec4703abb1a78ea1e1e4061bf34fa522b2ade", kill_on_drop: false }`
[INFO] [stdout] 802c27d3657f54a7cc96d1b2bd4ec4703abb1a78ea1e1e4061bf34fa522b2ade
