[INFO] cloning repository https://github.com/jacobsee/nand-logic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobsee/nand-logic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobsee%2Fnand-logic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobsee%2Fnand-logic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1370d4f860e6505f8a4a1bda4596e00a14628664
[INFO] checking jacobsee/nand-logic against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobsee%2Fnand-logic" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jacobsee/nand-logic
[INFO] finished tweaking git repo https://github.com/jacobsee/nand-logic
[INFO] tweaked toml for git repo https://github.com/jacobsee/nand-logic written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jacobsee/nand-logic on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jacobsee/nand-logic 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5afdd0141d57ad3ec7a25d16d181a7d6b0e0036059acb2506a4c55943d4d2887
[INFO] running `Command { std: "docker" "start" "-a" "5afdd0141d57ad3ec7a25d16d181a7d6b0e0036059acb2506a4c55943d4d2887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5afdd0141d57ad3ec7a25d16d181a7d6b0e0036059acb2506a4c55943d4d2887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afdd0141d57ad3ec7a25d16d181a7d6b0e0036059acb2506a4c55943d4d2887", kill_on_drop: false }`
[INFO] [stdout] 5afdd0141d57ad3ec7a25d16d181a7d6b0e0036059acb2506a4c55943d4d2887
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d0693951ed091fe86ac96e1fdbb2c51a87210caca80a3c1c280d2e929d0b1e2
[INFO] running `Command { std: "docker" "start" "-a" "7d0693951ed091fe86ac96e1fdbb2c51a87210caca80a3c1c280d2e929d0b1e2", kill_on_drop: false }`
[INFO] [stderr]     Checking nand-logic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/components/gates/and.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/components/gates/or.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/components/gates/xor.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/components/gates/nor.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::NOTGate`
[INFO] [stdout]  --> src/components/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::gates::NOTGate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::ANDGate`
[INFO] [stdout]  --> src/components/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::gates::ANDGate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::XORGate`
[INFO] [stdout]   --> src/components/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::gates::XORGate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::NORGate`
[INFO] [stdout]   --> src/components/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::gates::NORGate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NANDGate` and `wiring`
[INFO] [stdout]  --> src/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::components::{wiring, NANDGate};
[INFO] [stdout]   |                         ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::NOTGate`
[INFO] [stdout]  --> src/components/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::gates::NOTGate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::ANDGate`
[INFO] [stdout]  --> src/components/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::gates::ANDGate;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::XORGate`
[INFO] [stdout]   --> src/components/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::gates::XORGate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::gates::NORGate`
[INFO] [stdout]   --> src/components/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::gates::NORGate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NANDGate` and `wiring`
[INFO] [stdout]  --> src/main.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::components::{wiring, NANDGate};
[INFO] [stdout]   |                         ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NANDGate` is never constructed
[INFO] [stdout]  --> src/components/gates/nand.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NANDGate {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/nand.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl NANDGate {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 21 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NOTGate` is never constructed
[INFO] [stdout]  --> src/components/gates/not.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NOTGate {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/not.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl NOTGate {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 21 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ANDGate` is never constructed
[INFO] [stdout]  --> src/components/gates/and.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ANDGate {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/and.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl ANDGate {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 25 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ORGate` is never constructed
[INFO] [stdout]  --> src/components/gates/or.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ORGate {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/or.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ORGate {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 27 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XORGate` is never constructed
[INFO] [stdout]  --> src/components/gates/xor.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct XORGate {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/xor.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl XORGate {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 29 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NORGate` is never constructed
[INFO] [stdout]  --> src/components/gates/nor.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct NORGate {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `settle` is never used
[INFO] [stdout]   --> src/components/gates/nor.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl NORGate {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 24 |     pub fn settle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Wire` is never used
[INFO] [stdout]  --> src/components/wire.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub type Wire = Arc<Mutex<bool>>;
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_high` is never used
[INFO] [stdout]  --> src/components/wire.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn is_high(wire: Wire) -> bool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_low` is never used
[INFO] [stdout]  --> src/components/wire.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn is_low(wire: Wire) -> bool {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_high` is never used
[INFO] [stdout]   --> src/components/wire.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn set_high(wire: &mut Wire) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_low` is never used
[INFO] [stdout]   --> src/components/wire.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn set_low(wire: &mut Wire) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_high` is never used
[INFO] [stdout]   --> src/components/wire.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new_high() -> Wire {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_low` is never used
[INFO] [stdout]   --> src/components/wire.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new_low() -> Wire {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect` is never used
[INFO] [stdout]   --> src/components/wire.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn connect(left: &mut Wire, right: Wire) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_low` is never used
[INFO] [stdout]  --> src/components/wire.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn is_low(wire: Wire) -> bool {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_high` is never used
[INFO] [stdout]   --> src/components/wire.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new_high() -> Wire {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7d0693951ed091fe86ac96e1fdbb2c51a87210caca80a3c1c280d2e929d0b1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0693951ed091fe86ac96e1fdbb2c51a87210caca80a3c1c280d2e929d0b1e2", kill_on_drop: false }`
[INFO] [stdout] 7d0693951ed091fe86ac96e1fdbb2c51a87210caca80a3c1c280d2e929d0b1e2