[INFO] fetching crate intcode_compiler 0.1.0...
[INFO] checking intcode_compiler-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate intcode_compiler 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate intcode_compiler 0.1.0
[INFO] finished tweaking crates.io crate intcode_compiler 0.1.0
[INFO] tweaked toml for crates.io crate intcode_compiler 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate intcode_compiler 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 intcode_compiler 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-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] bef9bc39c69be6c6709af1772102649b1b4d24b959cd0e51e44f8ca1fe1c7c3c
[INFO] running `Command { std: "docker" "start" "-a" "bef9bc39c69be6c6709af1772102649b1b4d24b959cd0e51e44f8ca1fe1c7c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef9bc39c69be6c6709af1772102649b1b4d24b959cd0e51e44f8ca1fe1c7c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef9bc39c69be6c6709af1772102649b1b4d24b959cd0e51e44f8ca1fe1c7c3c", kill_on_drop: false }`
[INFO] [stdout] bef9bc39c69be6c6709af1772102649b1b4d24b959cd0e51e44f8ca1fe1c7c3c
[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] e32744b2fde7550eae1754b557e09c4137edc08ef7eea673af33ba51672ec12a
[INFO] running `Command { std: "docker" "start" "-a" "e32744b2fde7550eae1754b557e09c4137edc08ef7eea673af33ba51672ec12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking intcode_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `used_input` is never read
[INFO] [stdout]    --> src/interpreter.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub struct EvalResults {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 349 |     pub used_input: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalResults` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         /// Intcode file to run
[INFO] [stdout] 27 | |         #[structopt(name = "FILE")]
[INFO] [stdout] 28 | |         file: 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:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         /// Intcode file to run
[INFO] [stdout] 34 | |         #[structopt(name = "FILE")]
[INFO] [stdout] 35 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// Inputs to pass to the program, formatted the same way as Intcode
[INFO] [stdout] 38 | |         #[structopt(short, long, name = "INPUT")]
[INFO] [stdout] 39 | |         input: Option<PathBuf>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// File to write the binary to
[INFO] [stdout] 42 | |         #[structopt(short, long, name = "OUTPUT")]
[INFO] [stdout] 43 | |         output: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intcode_compiler` (bin "ic") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `used_input` is never read
[INFO] [stdout]    --> src/interpreter.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub struct EvalResults {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 349 |     pub used_input: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EvalResults` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         /// Intcode file to run
[INFO] [stdout] 27 | |         #[structopt(name = "FILE")]
[INFO] [stdout] 28 | |         file: 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:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         /// Intcode file to run
[INFO] [stdout] 34 | |         #[structopt(name = "FILE")]
[INFO] [stdout] 35 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// Inputs to pass to the program, formatted the same way as Intcode
[INFO] [stdout] 38 | |         #[structopt(short, long, name = "INPUT")]
[INFO] [stdout] 39 | |         input: Option<PathBuf>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         /// File to write the binary to
[INFO] [stdout] 42 | |         #[structopt(short, long, name = "OUTPUT")]
[INFO] [stdout] 43 | |         output: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intcode_compiler` (bin "ic" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e32744b2fde7550eae1754b557e09c4137edc08ef7eea673af33ba51672ec12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32744b2fde7550eae1754b557e09c4137edc08ef7eea673af33ba51672ec12a", kill_on_drop: false }`
[INFO] [stdout] e32744b2fde7550eae1754b557e09c4137edc08ef7eea673af33ba51672ec12a
