[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] checking sullyy9/rust-hardwaresim against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsullyy9%2Frust-hardwaresim" "/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/sullyy9/rust-hardwaresim on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76581c64713b0c7956dfbcebdc4cd246b8d313bc8c37e1828a4a1aa27d39bd86
[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" "76581c64713b0c7956dfbcebdc4cd246b8d313bc8c37e1828a4a1aa27d39bd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76581c64713b0c7956dfbcebdc4cd246b8d313bc8c37e1828a4a1aa27d39bd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76581c64713b0c7956dfbcebdc4cd246b8d313bc8c37e1828a4a1aa27d39bd86", kill_on_drop: false }`
[INFO] [stdout] 76581c64713b0c7956dfbcebdc4cd246b8d313bc8c37e1828a4a1aa27d39bd86
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62869f0b06e9f8a7b41bd4788c47905cf8f53a1789f58e1e56ac7a222374dd3
[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" "e62869f0b06e9f8a7b41bd4788c47905cf8f53a1789f58e1e56ac7a222374dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking 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: 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: 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: 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "e62869f0b06e9f8a7b41bd4788c47905cf8f53a1789f58e1e56ac7a222374dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62869f0b06e9f8a7b41bd4788c47905cf8f53a1789f58e1e56ac7a222374dd3", kill_on_drop: false }`
[INFO] [stdout] e62869f0b06e9f8a7b41bd4788c47905cf8f53a1789f58e1e56ac7a222374dd3