[INFO] fetching crate seehecht 3.0.2...
[INFO] checking seehecht-3.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate seehecht 3.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate seehecht 3.0.2
[INFO] finished tweaking crates.io crate seehecht 3.0.2
[INFO] tweaked toml for crates.io crate seehecht 3.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seehecht 3.0.2 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 seehecht 3.0.2 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] 1ad5caed80639d9e0146df3ab9bc991c311d646075a385a94a1140741963624f
[INFO] running `Command { std: "docker" "start" "-a" "1ad5caed80639d9e0146df3ab9bc991c311d646075a385a94a1140741963624f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad5caed80639d9e0146df3ab9bc991c311d646075a385a94a1140741963624f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad5caed80639d9e0146df3ab9bc991c311d646075a385a94a1140741963624f", kill_on_drop: false }`
[INFO] [stdout] 1ad5caed80639d9e0146df3ab9bc991c311d646075a385a94a1140741963624f
[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] 1c1dde8213430fd7bc434c3fa661cc53d67c32065ca320dc2bfb6919cc392a58
[INFO] running `Command { std: "docker" "start" "-a" "1c1dde8213430fd7bc434c3fa661cc53d67c32065ca320dc2bfb6919cc392a58", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking chrono v0.4.19
[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]     Checking clap v3.1.18
[INFO] [stderr]     Checking seehecht v3.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// Document title
[INFO] [stdout] 22 | |     #[clap(long, short)]
[INFO] [stdout] 23 | |     title: 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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Frontmatter type.
[INFO] [stdout] 34 | |     #[clap(long, short, possible_values = ["yaml", "toml", "json"], default_value = "yaml")]
[INFO] [stdout] 35 | |     frontmatter: 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:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// Frontmatter date format.
[INFO] [stdout] 42 | |     #[clap(long, short, possible_values = ["iso8601", "rfc3339"], default_value = "iso8601")]
[INFO] [stdout] 43 | |     date_format: 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:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// Document title
[INFO] [stdout] 22 | |     #[clap(long, short)]
[INFO] [stdout] 23 | |     title: 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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Frontmatter type.
[INFO] [stdout] 34 | |     #[clap(long, short, possible_values = ["yaml", "toml", "json"], default_value = "yaml")]
[INFO] [stdout] 35 | |     frontmatter: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seehecht` (bin "seh" test) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// Frontmatter date format.
[INFO] [stdout] 42 | |     #[clap(long, short, possible_values = ["iso8601", "rfc3339"], default_value = "iso8601")]
[INFO] [stdout] 43 | |     date_format: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `seehecht` (bin "seh") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1c1dde8213430fd7bc434c3fa661cc53d67c32065ca320dc2bfb6919cc392a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1dde8213430fd7bc434c3fa661cc53d67c32065ca320dc2bfb6919cc392a58", kill_on_drop: false }`
[INFO] [stdout] 1c1dde8213430fd7bc434c3fa661cc53d67c32065ca320dc2bfb6919cc392a58
