[INFO] fetching crate dhandho 0.2.0...
[INFO] checking dhandho-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dhandho 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dhandho 0.2.0
[INFO] finished tweaking crates.io crate dhandho 0.2.0
[INFO] tweaked toml for crates.io crate dhandho 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dhandho 0.2.0 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 dhandho 0.2.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a7e8ffcbfcfe1cf6eafa08a6c2cce804b1680827f48c5a96b01c8a8acec744a4
[INFO] running `Command { std: "docker" "start" "-a" "a7e8ffcbfcfe1cf6eafa08a6c2cce804b1680827f48c5a96b01c8a8acec744a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e8ffcbfcfe1cf6eafa08a6c2cce804b1680827f48c5a96b01c8a8acec744a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e8ffcbfcfe1cf6eafa08a6c2cce804b1680827f48c5a96b01c8a8acec744a4", kill_on_drop: false }`
[INFO] [stdout] a7e8ffcbfcfe1cf6eafa08a6c2cce804b1680827f48c5a96b01c8a8acec744a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e738168053bdfda6d32edfd96a1d4b5e98a18e75054ac52f38daac709b0adb6e
[INFO] running `Command { std: "docker" "start" "-a" "e738168053bdfda6d32edfd96a1d4b5e98a18e75054ac52f38daac709b0adb6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking dhandho v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli/intrinsic_cli_impl.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(short, long, multiple = true, required = true)]
[INFO] [stdout] 18 | |     growth_assumptions: Vec<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<String, Infallible>
[INFO] [stdout]  --> src/cli/kelly_cli_impl.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short, long, multiple = true, required = true)]
[INFO] [stdout] 9 | |     assumption: Vec<String>,
[INFO] [stdout]   | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dhandho` (bin "dhandho") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli/intrinsic_cli_impl.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(short, long, multiple = true, required = true)]
[INFO] [stdout] 18 | |     growth_assumptions: Vec<String>,
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dhandho` (bin "dhandho" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/cli/kelly_cli_impl.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short, long, multiple = true, required = true)]
[INFO] [stdout] 9 | |     assumption: Vec<String>,
[INFO] [stdout]   | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e738168053bdfda6d32edfd96a1d4b5e98a18e75054ac52f38daac709b0adb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e738168053bdfda6d32edfd96a1d4b5e98a18e75054ac52f38daac709b0adb6e", kill_on_drop: false }`
[INFO] [stdout] e738168053bdfda6d32edfd96a1d4b5e98a18e75054ac52f38daac709b0adb6e
