[INFO] fetching crate corpus-preproc 0.1.0...
[INFO] checking corpus-preproc-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate corpus-preproc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate corpus-preproc 0.1.0
[INFO] finished tweaking crates.io crate corpus-preproc 0.1.0
[INFO] tweaked toml for crates.io crate corpus-preproc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate corpus-preproc 0.1.0 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 crates.io crate corpus-preproc 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2473a94ffcb00754ac6a0ceab0f7582c83cbfe193720e4c5eb8ccad36a37892c
[INFO] running `Command { std: "docker" "start" "-a" "2473a94ffcb00754ac6a0ceab0f7582c83cbfe193720e4c5eb8ccad36a37892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2473a94ffcb00754ac6a0ceab0f7582c83cbfe193720e4c5eb8ccad36a37892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2473a94ffcb00754ac6a0ceab0f7582c83cbfe193720e4c5eb8ccad36a37892c", kill_on_drop: false }`
[INFO] [stdout] 2473a94ffcb00754ac6a0ceab0f7582c83cbfe193720e4c5eb8ccad36a37892c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 573012ebd0f12dceb1f5b10ab41ea09c264effde6aff81a50f1f66d4354280c2
[INFO] running `Command { std: "docker" "start" "-a" "573012ebd0f12dceb1f5b10ab41ea09c264effde6aff81a50f1f66d4354280c2", kill_on_drop: false }`
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[INFO] [stdout] warning: useless assignment of variable of type `std::string::String` to itself
[INFO] [stdout]   --> src/normalizers/word.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     word = word;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cleaners/html.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[clap(
[INFO] [stdout] 19 | |         long,
[INFO] [stdout] 20 | |         help = "CSS selector for main content",
[INFO] [stdout] 21 | |         requires = "html.enabled"
[INFO] [stdout] 22 | |     )]
[INFO] [stdout] 23 | |     content_selector: 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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cleaners/html.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     #[clap(long, default_value = DEFAULT_DELETE_SELECTOR, help="CSS selector for tag removal")]
[INFO] [stdout] 25 | |     delete_selector: 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/cleaners/html.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     #[clap(long, default_value = DEFAULT_NL_APPEND_SELECTOR, help="CSS selector to append newline")]
[INFO] [stdout] 27 | |     nl_append_selector: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `corpus-preproc` (bin "corpus-preproc" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: useless assignment of variable of type `std::string::String` to itself
[INFO] [stdout]   --> src/normalizers/word.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     word = word;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cleaners/html.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[clap(
[INFO] [stdout] 19 | |         long,
[INFO] [stdout] 20 | |         help = "CSS selector for main content",
[INFO] [stdout] 21 | |         requires = "html.enabled"
[INFO] [stdout] 22 | |     )]
[INFO] [stdout] 23 | |     content_selector: 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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cleaners/html.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     #[clap(long, default_value = DEFAULT_DELETE_SELECTOR, help="CSS selector for tag removal")]
[INFO] [stdout] 25 | |     delete_selector: 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/cleaners/html.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     #[clap(long, default_value = DEFAULT_NL_APPEND_SELECTOR, help="CSS selector to append newline")]
[INFO] [stdout] 27 | |     nl_append_selector: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `corpus-preproc` (bin "corpus-preproc") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "573012ebd0f12dceb1f5b10ab41ea09c264effde6aff81a50f1f66d4354280c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573012ebd0f12dceb1f5b10ab41ea09c264effde6aff81a50f1f66d4354280c2", kill_on_drop: false }`
[INFO] [stdout] 573012ebd0f12dceb1f5b10ab41ea09c264effde6aff81a50f1f66d4354280c2
