[INFO] cloning repository https://github.com/sullyy9/rust-hardwaresim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sullyy9/rust-hardwaresim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsullyy9%2Frust-hardwaresim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsullyy9%2Frust-hardwaresim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22228242db5fe6b5e9190c391130ccb02ae19aa3
[INFO] testing sullyy9/rust-hardwaresim against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsullyy9%2Frust-hardwaresim" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sullyy9/rust-hardwaresim on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sullyy9/rust-hardwaresim
[INFO] finished tweaking git repo https://github.com/sullyy9/rust-hardwaresim
[INFO] tweaked toml for git repo https://github.com/sullyy9/rust-hardwaresim written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sullyy9/rust-hardwaresim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb5a527abb64dcf998a0bb4bad36f543798a4fa046de7c2183e6ba32d234cbbe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb5a527abb64dcf998a0bb4bad36f543798a4fa046de7c2183e6ba32d234cbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb5a527abb64dcf998a0bb4bad36f543798a4fa046de7c2183e6ba32d234cbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5a527abb64dcf998a0bb4bad36f543798a4fa046de7c2183e6ba32d234cbbe", kill_on_drop: false }`
[INFO] [stdout] bb5a527abb64dcf998a0bb4bad36f543798a4fa046de7c2183e6ba32d234cbbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b02f3bdb5df35ef1347cb59e7daa34e9382600e3681198613e58cb1ec9142c63
[INFO] running `Command { std: "docker" "start" "-a" "b02f3bdb5df35ef1347cb59e7daa34e9382600e3681198613e58cb1ec9142c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling rust-hardwaresim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `component_list`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component_list`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stdout]   |         ----^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_not_gate`
[INFO] [stdout]  --> src/component.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new_not_gate(new_name: &str) -> Component {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_node`
[INFO] [stdout]   --> src/component.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new_node(new_name: &str) -> Component {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "b02f3bdb5df35ef1347cb59e7daa34e9382600e3681198613e58cb1ec9142c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02f3bdb5df35ef1347cb59e7daa34e9382600e3681198613e58cb1ec9142c63", kill_on_drop: false }`
[INFO] [stdout] b02f3bdb5df35ef1347cb59e7daa34e9382600e3681198613e58cb1ec9142c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fff74c91ae582fa5c13dac3730dbb0bf503b8105050ea4c0b01da5748ce66d3d
[INFO] running `Command { std: "docker" "start" "-a" "fff74c91ae582fa5c13dac3730dbb0bf503b8105050ea4c0b01da5748ce66d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hardwaresim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `component_list`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component_list`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stdout]   |         ----^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_not_gate`
[INFO] [stdout]  --> src/component.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new_not_gate(new_name: &str) -> Component {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_node`
[INFO] [stdout]   --> src/component.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new_node(new_name: &str) -> Component {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "fff74c91ae582fa5c13dac3730dbb0bf503b8105050ea4c0b01da5748ce66d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff74c91ae582fa5c13dac3730dbb0bf503b8105050ea4c0b01da5748ce66d3d", kill_on_drop: false }`
[INFO] [stdout] fff74c91ae582fa5c13dac3730dbb0bf503b8105050ea4c0b01da5748ce66d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7cc8c4ed61595a36bcd97e11984e699d76c357118daccda3c5211e74a265da9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7cc8c4ed61595a36bcd97e11984e699d76c357118daccda3c5211e74a265da9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `component_list`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component_list`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut component_list: Vec<component::Component> = vec![];
[INFO] [stderr]   |         ----^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_not_gate`
[INFO] [stderr]  --> src/component.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new_not_gate(new_name: &str) -> Component {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_node`
[INFO] [stderr]   --> src/component.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new_node(new_name: &str) -> Component {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_hardwaresim-82238c916c9c45b5)
[INFO] running `Command { std: "docker" "inspect" "e7cc8c4ed61595a36bcd97e11984e699d76c357118daccda3c5211e74a265da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cc8c4ed61595a36bcd97e11984e699d76c357118daccda3c5211e74a265da9", kill_on_drop: false }`
[INFO] [stdout] e7cc8c4ed61595a36bcd97e11984e699d76c357118daccda3c5211e74a265da9