[INFO] cloning repository https://github.com/pixix4/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixix4/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9876123f9fafed3ca431527fb3e21b94edd58e1
[INFO] checking pixix4/advent-of-code-2019 against try#4d7187a26f9eb7e5000e28e28662298d34d2508f for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2Fadvent-of-code-2019" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pixix4/advent-of-code-2019 on toolchain 4d7187a26f9eb7e5000e28e28662298d34d2508f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pixix4/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/pixix4/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/pixix4/advent-of-code-2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pixix4/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b47a98031ae9707c572d9a2412942bc0854384c706c5751106688b6d64be0c
[INFO] running `Command { std: "docker" "start" "-a" "d9b47a98031ae9707c572d9a2412942bc0854384c706c5751106688b6d64be0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b47a98031ae9707c572d9a2412942bc0854384c706c5751106688b6d64be0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b47a98031ae9707c572d9a2412942bc0854384c706c5751106688b6d64be0c", kill_on_drop: false }`
[INFO] [stdout] d9b47a98031ae9707c572d9a2412942bc0854384c706c5751106688b6d64be0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92b523416730ccd6c2595d423c29296bccb2d43fcd406f27c3606c31f90c781
[INFO] running `Command { std: "docker" "start" "-a" "c92b523416730ccd6c2595d423c29296bccb2d43fcd406f27c3606c31f90c781", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-11/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-11/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-05/src/machine.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         (self.code / position % 10)
[INFO] [stdout] 35 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-07/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-07/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-05/src/machine.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-09/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-09/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message` is never read
[INFO] [stdout]  --> day-05/src/machine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MachineError {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `MachineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-11/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-09/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-11/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-09/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-07/src/intmachine/utils.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (self.code / position % 10)
[INFO] [stdout] 17 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-07/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> day-05/src/machine.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         (self.code / position % 10)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         (self.code / position % 10)
[INFO] [stdout] 35 +         self.code / position % 10
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias
[INFO] [stdout]   --> day-05/src/machine.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message` is never read
[INFO] [stdout]  --> day-05/src/machine.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MachineError {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     message: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `MachineError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "c92b523416730ccd6c2595d423c29296bccb2d43fcd406f27c3606c31f90c781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92b523416730ccd6c2595d423c29296bccb2d43fcd406f27c3606c31f90c781", kill_on_drop: false }`
[INFO] [stdout] c92b523416730ccd6c2595d423c29296bccb2d43fcd406f27c3606c31f90c781