[INFO] fetching crate cocomo-tui 0.0.1...
[INFO] checking cocomo-tui-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cocomo-tui 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cocomo-tui 0.0.1
[INFO] finished tweaking crates.io crate cocomo-tui 0.0.1
[INFO] tweaked toml for crates.io crate cocomo-tui 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cocomo-tui 0.0.1 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 cocomo-tui 0.0.1 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-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] aeac9ee1f3f5c26f51016b57489eec319bdd1f97cd8b52e2b895904ff4583a12
[INFO] running `Command { std: "docker" "start" "-a" "aeac9ee1f3f5c26f51016b57489eec319bdd1f97cd8b52e2b895904ff4583a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeac9ee1f3f5c26f51016b57489eec319bdd1f97cd8b52e2b895904ff4583a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeac9ee1f3f5c26f51016b57489eec319bdd1f97cd8b52e2b895904ff4583a12", kill_on_drop: false }`
[INFO] [stdout] aeac9ee1f3f5c26f51016b57489eec319bdd1f97cd8b52e2b895904ff4583a12
[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] f6ac132d7a186dbb4c4176ebb19b2e78fb70a2b7ee854150784c8524b859e14b
[INFO] running `Command { std: "docker" "start" "-a" "f6ac132d7a186dbb4c4176ebb19b2e78fb70a2b7ee854150784c8524b859e14b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking cocomo-core v0.0.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[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 cocomo-tui v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmdargs.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Left-side directory / file
[INFO] [stdout] 16 | |     #[clap(short, long)]
[INFO] [stdout] 17 | |     left: 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/cmdargs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Right-side directory / file
[INFO] [stdout] 20 | |     #[clap(short, long)]
[INFO] [stdout] 21 | |     right: Option<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/cmdargs.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Left-side directory / file
[INFO] [stdout] 16 | |     #[clap(short, long)]
[INFO] [stdout] 17 | |     left: 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/cmdargs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Right-side directory / file
[INFO] [stdout] 20 | |     #[clap(short, long)]
[INFO] [stdout] 21 | |     right: Option<String>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cocomo-tui` (bin "cocomo" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cocomo-tui` (bin "cocomo") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f6ac132d7a186dbb4c4176ebb19b2e78fb70a2b7ee854150784c8524b859e14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ac132d7a186dbb4c4176ebb19b2e78fb70a2b7ee854150784c8524b859e14b", kill_on_drop: false }`
[INFO] [stdout] f6ac132d7a186dbb4c4176ebb19b2e78fb70a2b7ee854150784c8524b859e14b