[INFO] fetching crate dalia 1.2.0...
[INFO] checking dalia-1.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dalia 1.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dalia 1.2.0
[INFO] finished tweaking crates.io crate dalia 1.2.0
[INFO] tweaked toml for crates.io crate dalia 1.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dalia 1.2.0 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 dalia 1.2.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 266d9edbf996a3050aeaa53b2aa91a43081d4c20eee48eec6e9b1bdb898456e9
[INFO] running `Command { std: "docker" "start" "-a" "266d9edbf996a3050aeaa53b2aa91a43081d4c20eee48eec6e9b1bdb898456e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266d9edbf996a3050aeaa53b2aa91a43081d4c20eee48eec6e9b1bdb898456e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266d9edbf996a3050aeaa53b2aa91a43081d4c20eee48eec6e9b1bdb898456e9", kill_on_drop: false }`
[INFO] [stdout] 266d9edbf996a3050aeaa53b2aa91a43081d4c20eee48eec6e9b1bdb898456e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 10a7d0f64dbbbc76fe8df4159ad31b153a1d0b7fc7473a7ada8b26bdecc32ff3
[INFO] running `Command { std: "docker" "start" "-a" "10a7d0f64dbbbc76fe8df4159ad31b153a1d0b7fc7473a7ada8b26bdecc32ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking temp_testdir v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking dalia v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/command.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Configuration<'a> {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 72 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Configuration` 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] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     a.to_owned().parse().unwrap(),
[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<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     path.unwrap().to_owned().parse().unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:113:27
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let dir: String = path.unwrap().parse().unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dalia` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/command.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct Configuration<'a> {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 72 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Configuration` 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] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     a.to_owned().parse().unwrap(),
[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<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     path.unwrap().to_owned().parse().unwrap(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser.rs:113:27
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let dir: String = path.unwrap().parse().unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dalia` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "10a7d0f64dbbbc76fe8df4159ad31b153a1d0b7fc7473a7ada8b26bdecc32ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a7d0f64dbbbc76fe8df4159ad31b153a1d0b7fc7473a7ada8b26bdecc32ff3", kill_on_drop: false }`
[INFO] [stdout] 10a7d0f64dbbbc76fe8df4159ad31b153a1d0b7fc7473a7ada8b26bdecc32ff3