[INFO] fetching crate kmail 0.1.2...
[INFO] checking kmail-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate kmail 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kmail 0.1.2
[INFO] finished tweaking crates.io crate kmail 0.1.2
[INFO] tweaked toml for crates.io crate kmail 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kmail 0.1.2 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 kmail 0.1.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 160785773caac18cbc9f715f29031881ace0030d310be19675c5e63221055402
[INFO] running `Command { std: "docker" "start" "-a" "160785773caac18cbc9f715f29031881ace0030d310be19675c5e63221055402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "160785773caac18cbc9f715f29031881ace0030d310be19675c5e63221055402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160785773caac18cbc9f715f29031881ace0030d310be19675c5e63221055402", kill_on_drop: false }`
[INFO] [stdout] 160785773caac18cbc9f715f29031881ace0030d310be19675c5e63221055402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90a12d4668fa163d5c681d76b33ae2347258f48e3c086e6e3c6a9081fa52f4f4
[INFO] running `Command { std: "docker" "start" "-a" "90a12d4668fa163d5c681d76b33ae2347258f48e3c086e6e3c6a9081fa52f4f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking email_address v0.2.1
[INFO] [stderr]     Checking kmail v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// The path to the patch (or a directory containing patches) to be mailed to the kernel
[INFO] [stdout] 18 | |     /// upstream community using git send-email.
[INFO] [stdout] 19 | |     patch_path: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// The path to a linux source tree containing a MAINTAINERS file, and a
[INFO] [stdout] 22 | |     /// scripts/get_maintainer.pl script. If no path is specified, the current directory is assumed
[INFO] [stdout] 23 | |     /// to be a linux kernel tree.
[INFO] [stdout] 24 | |     #[clap(short, long = "tree")]
[INFO] [stdout] 25 | |     tree_path: Option<PathBuf>,
[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:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Arguments that will be passed directly to git send-email. For example, you may specify --
[INFO] [stdout] 28 | |     /// --dry-run --cc personal@my_domain.com to have the invocation be a dry-run, and to cc your
[INFO] [stdout] 29 | |     /// own personal email address.
[INFO] [stdout] 30 | |     #[clap(last = true)]
[INFO] [stdout] 31 | |     extra_arguments: Vec<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmail` (bin "kmail") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// The path to the patch (or a directory containing patches) to be mailed to the kernel
[INFO] [stdout] 18 | |     /// upstream community using git send-email.
[INFO] [stdout] 19 | |     patch_path: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[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/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// The path to a linux source tree containing a MAINTAINERS file, and a
[INFO] [stdout] 22 | |     /// scripts/get_maintainer.pl script. If no path is specified, the current directory is assumed
[INFO] [stdout] 23 | |     /// to be a linux kernel tree.
[INFO] [stdout] 24 | |     #[clap(short, long = "tree")]
[INFO] [stdout] 25 | |     tree_path: Option<PathBuf>,
[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:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Arguments that will be passed directly to git send-email. For example, you may specify --
[INFO] [stdout] 28 | |     /// --dry-run --cc personal@my_domain.com to have the invocation be a dry-run, and to cc your
[INFO] [stdout] 29 | |     /// own personal email address.
[INFO] [stdout] 30 | |     #[clap(last = true)]
[INFO] [stdout] 31 | |     extra_arguments: Vec<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmail` (bin "kmail" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "90a12d4668fa163d5c681d76b33ae2347258f48e3c086e6e3c6a9081fa52f4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a12d4668fa163d5c681d76b33ae2347258f48e3c086e6e3c6a9081fa52f4f4", kill_on_drop: false }`
[INFO] [stdout] 90a12d4668fa163d5c681d76b33ae2347258f48e3c086e6e3c6a9081fa52f4f4
