[INFO] cloning repository https://github.com/jyn514/rustc-79671-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jyn514/rustc-79671-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Frustc-79671-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Frustc-79671-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e447dbbc53c61bd256664a68f2fdac77a3f542e
[INFO] checking jyn514/rustc-79671-repro against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Frustc-79671-repro" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jyn514/rustc-79671-repro on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jyn514/rustc-79671-repro
[INFO] finished tweaking git repo https://github.com/jyn514/rustc-79671-repro
[INFO] tweaked toml for git repo https://github.com/jyn514/rustc-79671-repro written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jyn514/rustc-79671-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f67074aafdfe8351a488f5c5802eb92e2baed8036b339a964b023914ab449d
[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" "82f67074aafdfe8351a488f5c5802eb92e2baed8036b339a964b023914ab449d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f67074aafdfe8351a488f5c5802eb92e2baed8036b339a964b023914ab449d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f67074aafdfe8351a488f5c5802eb92e2baed8036b339a964b023914ab449d", kill_on_drop: false }`
[INFO] [stdout] 82f67074aafdfe8351a488f5c5802eb92e2baed8036b339a964b023914ab449d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58728c5cf81d6e62f44a27effd4e00318b372dd9135a49482472b529aca3ddb0
[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" "58728c5cf81d6e62f44a27effd4e00318b372dd9135a49482472b529aca3ddb0", kill_on_drop: false }`
[INFO] [stderr]     Checking a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `a`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name a --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=1057c95319470487 -C extra-filename=-1057c95319470487 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct is never constructed: `Top`
[INFO] [stdout]  --> src/modules.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Top{
[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`
[INFO] [stdout]     --> src/modules.rs:1359:12
[INFO] [stdout]      |
[INFO] [stdout] 1359 |     pub fn new() -> Top {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]     --> src/modules.rs:3007:12
[INFO] [stdout]      |
[INFO] [stdout] 3007 |     pub fn reset(&mut self) {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `posedge_clk`
[INFO] [stdout]     --> src/modules.rs:3129:12
[INFO] [stdout]      |
[INFO] [stdout] 3129 |     pub fn posedge_clk(&mut self) {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prop`
[INFO] [stdout]     --> src/modules.rs:3708:12
[INFO] [stdout]      |
[INFO] [stdout] 3708 |     pub fn prop(&mut self) {
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "58728c5cf81d6e62f44a27effd4e00318b372dd9135a49482472b529aca3ddb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58728c5cf81d6e62f44a27effd4e00318b372dd9135a49482472b529aca3ddb0", kill_on_drop: false }`
[INFO] [stdout] 58728c5cf81d6e62f44a27effd4e00318b372dd9135a49482472b529aca3ddb0