[INFO] fetching crate shortcut-autotyper 0.1.0...
[INFO] checking shortcut-autotyper-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate shortcut-autotyper 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shortcut-autotyper 0.1.0
[INFO] finished tweaking crates.io crate shortcut-autotyper 0.1.0
[INFO] tweaked toml for crates.io crate shortcut-autotyper 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shortcut-autotyper 0.1.0 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 shortcut-autotyper 0.1.0 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] f3a04898e47f190d5dc1bbfe26d154ea84918a465f3ac4ab382e78a501726d76
[INFO] running `Command { std: "docker" "start" "-a" "f3a04898e47f190d5dc1bbfe26d154ea84918a465f3ac4ab382e78a501726d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a04898e47f190d5dc1bbfe26d154ea84918a465f3ac4ab382e78a501726d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a04898e47f190d5dc1bbfe26d154ea84918a465f3ac4ab382e78a501726d76", kill_on_drop: false }`
[INFO] [stdout] f3a04898e47f190d5dc1bbfe26d154ea84918a465f3ac4ab382e78a501726d76
[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] 85b06e38320dda66531558a8e65362f71a760e9a3348b420b7a8aa268aef3b59
[INFO] running `Command { std: "docker" "start" "-a" "85b06e38320dda66531558a8e65362f71a760e9a3348b420b7a8aa268aef3b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking shortcut-autotyper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/main.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             "-t" | "--typer" => *typer = get_value()?.parse()?,
[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:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             "-t" | "--typer" => *typer = get_value()?.parse()?,
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shortcut-autotyper` (bin "shortcut-autotyper") 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: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/main.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             "-t" | "--typer" => *typer = get_value()?.parse()?,
[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:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             "-t" | "--typer" => *typer = get_value()?.parse()?,
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shortcut-autotyper` (bin "shortcut-autotyper" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "85b06e38320dda66531558a8e65362f71a760e9a3348b420b7a8aa268aef3b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b06e38320dda66531558a8e65362f71a760e9a3348b420b7a8aa268aef3b59", kill_on_drop: false }`
[INFO] [stdout] 85b06e38320dda66531558a8e65362f71a760e9a3348b420b7a8aa268aef3b59
