[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] testing jyn514/rustc-79671-repro against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Frustc-79671-repro" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jyn514/rustc-79671-repro on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 9453632639a76d7d25428ee14f3f5132a27458efcfc33b9485b5858453d6f3dd
[INFO] running `Command { std: "docker" "start" "-a" "9453632639a76d7d25428ee14f3f5132a27458efcfc33b9485b5858453d6f3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9453632639a76d7d25428ee14f3f5132a27458efcfc33b9485b5858453d6f3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9453632639a76d7d25428ee14f3f5132a27458efcfc33b9485b5858453d6f3dd", kill_on_drop: false }`
[INFO] [stdout] 9453632639a76d7d25428ee14f3f5132a27458efcfc33b9485b5858453d6f3dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 350320a69dd6350afae5cf27bc55bec7dcb78cacb212080e6e52b769003da241
[INFO] running `Command { std: "docker" "start" "-a" "350320a69dd6350afae5cf27bc55bec7dcb78cacb212080e6e52b769003da241", kill_on_drop: false }`
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "350320a69dd6350afae5cf27bc55bec7dcb78cacb212080e6e52b769003da241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350320a69dd6350afae5cf27bc55bec7dcb78cacb212080e6e52b769003da241", kill_on_drop: false }`
[INFO] [stdout] 350320a69dd6350afae5cf27bc55bec7dcb78cacb212080e6e52b769003da241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b65310863c58f82423ee2bde670312b568112e95142ea41065ffd43f0a75f3d2
[INFO] running `Command { std: "docker" "start" "-a" "b65310863c58f82423ee2bde670312b568112e95142ea41065ffd43f0a75f3d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir)
[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]     Finished test [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/a-bd76569bd016f4b6)
[INFO] running `Command { std: "docker" "inspect" "b65310863c58f82423ee2bde670312b568112e95142ea41065ffd43f0a75f3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65310863c58f82423ee2bde670312b568112e95142ea41065ffd43f0a75f3d2", kill_on_drop: false }`
[INFO] [stdout] b65310863c58f82423ee2bde670312b568112e95142ea41065ffd43f0a75f3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] bdcfcfe984d06be52806826431476db0edef0cbe3f1dbb8eef2c429f01f55629
[INFO] running `Command { std: "docker" "start" "-a" "bdcfcfe984d06be52806826431476db0edef0cbe3f1dbb8eef2c429f01f55629", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Top`
[INFO] [stderr]  --> src/modules.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Top{
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> src/modules.rs:1359:12
[INFO] [stderr]      |
[INFO] [stderr] 1359 |     pub fn new() -> Top {
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset`
[INFO] [stderr]     --> src/modules.rs:3007:12
[INFO] [stderr]      |
[INFO] [stderr] 3007 |     pub fn reset(&mut self) {
[INFO] [stderr]      |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `posedge_clk`
[INFO] [stderr]     --> src/modules.rs:3129:12
[INFO] [stderr]      |
[INFO] [stderr] 3129 |     pub fn posedge_clk(&mut self) {
[INFO] [stderr]      |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `prop`
[INFO] [stderr]     --> src/modules.rs:3708:12
[INFO] [stderr]      |
[INFO] [stderr] 3708 |     pub fn prop(&mut self) {
[INFO] [stderr]      |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `a` (bin "a" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/a-bd76569bd016f4b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdcfcfe984d06be52806826431476db0edef0cbe3f1dbb8eef2c429f01f55629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcfcfe984d06be52806826431476db0edef0cbe3f1dbb8eef2c429f01f55629", kill_on_drop: false }`
[INFO] [stdout] bdcfcfe984d06be52806826431476db0edef0cbe3f1dbb8eef2c429f01f55629