[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#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixix4%2Fadvent-of-code-2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pixix4/advent-of-code-2019 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58bb89777cbbbf726e09107f5abdee04faf97fba532489fdf6a90af47f940205
[INFO] running `Command { std: "docker" "start" "-a" "58bb89777cbbbf726e09107f5abdee04faf97fba532489fdf6a90af47f940205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58bb89777cbbbf726e09107f5abdee04faf97fba532489fdf6a90af47f940205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bb89777cbbbf726e09107f5abdee04faf97fba532489fdf6a90af47f940205", kill_on_drop: false }`
[INFO] [stdout] 58bb89777cbbbf726e09107f5abdee04faf97fba532489fdf6a90af47f940205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3de32c92190250866f93722818d3b10033d04367a68160e3c54b79e432881477
[INFO] running `Command { std: "docker" "start" "-a" "3de32c92190250866f93722818d3b10033d04367a68160e3c54b79e432881477", kill_on_drop: false }`
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[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] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-11/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-09/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-05/src/machine.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[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: `MachineError` 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] 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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-07/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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-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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-07/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-11/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-09/src/intmachine/error.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]` attribute cannot be used on type aliases
[INFO] [stdout]   --> day-05/src/machine.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[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: `MachineError` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "3de32c92190250866f93722818d3b10033d04367a68160e3c54b79e432881477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de32c92190250866f93722818d3b10033d04367a68160e3c54b79e432881477", kill_on_drop: false }`
[INFO] [stdout] 3de32c92190250866f93722818d3b10033d04367a68160e3c54b79e432881477
