[INFO] fetching crate cargo-exe 1.0.1...
[INFO] checking cargo-exe-1.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-exe 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cargo-exe 1.0.1
[INFO] finished tweaking crates.io crate cargo-exe 1.0.1
[INFO] tweaked toml for crates.io crate cargo-exe 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-exe 1.0.1 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 cargo-exe 1.0.1 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] 5dfc0936efd1a2f7368d98956908038cc8ca921b8a35416f0290959eab6f971f
[INFO] running `Command { std: "docker" "start" "-a" "5dfc0936efd1a2f7368d98956908038cc8ca921b8a35416f0290959eab6f971f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dfc0936efd1a2f7368d98956908038cc8ca921b8a35416f0290959eab6f971f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfc0936efd1a2f7368d98956908038cc8ca921b8a35416f0290959eab6f971f", kill_on_drop: false }`
[INFO] [stdout] 5dfc0936efd1a2f7368d98956908038cc8ca921b8a35416f0290959eab6f971f
[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] 6a6a35dbc9ba2b0d5ff3a08ced24fed41681e48ba2a02189792a8656e63cece6
[INFO] running `Command { std: "docker" "start" "-a" "6a6a35dbc9ba2b0d5ff3a08ced24fed41681e48ba2a02189792a8656e63cece6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.10
[INFO] [stderr]     Checking cargo_toml v0.11.5
[INFO] [stderr]     Checking cargo-exe v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         /// A path to a project directory or a `Cargo.toml` file. If this is
[INFO] [stdout] 73 | |         /// not provided, the current directory will be searched.
[INFO] [stdout] 74 | |         #[clap(verbatim_doc_comment)]
[INFO] [stdout] 75 | |         path: 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/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         /// Look for this subpath rather than reading the manifest.
[INFO] [stdout] 78 | |         #[clap(short = 'f', name = "PATH")]
[INFO] [stdout] 79 | |         names_override: Vec<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/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         /// A path to a project directory or a `Cargo.toml` file. If this is
[INFO] [stdout] 73 | |         /// not provided, the current directory will be searched.
[INFO] [stdout] 74 | |         #[clap(verbatim_doc_comment)]
[INFO] [stdout] 75 | |         path: 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/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         /// Look for this subpath rather than reading the manifest.
[INFO] [stdout] 78 | |         #[clap(short = 'f', name = "PATH")]
[INFO] [stdout] 79 | |         names_override: Vec<String>,
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-exe` (bin "cargo-exe" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cargo-exe` (bin "cargo-exe") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a6a35dbc9ba2b0d5ff3a08ced24fed41681e48ba2a02189792a8656e63cece6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6a35dbc9ba2b0d5ff3a08ced24fed41681e48ba2a02189792a8656e63cece6", kill_on_drop: false }`
[INFO] [stdout] 6a6a35dbc9ba2b0d5ff3a08ced24fed41681e48ba2a02189792a8656e63cece6
