[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyn514%2Frustc-79671-repro" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jyn514/rustc-79671-repro on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-54/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d3baafc3a6b116e7cd4ec4a572889fe62cc83f9b7ebce3fd6c4311f6044532
[INFO] running `Command { std: "docker" "start" "-a" "f9d3baafc3a6b116e7cd4ec4a572889fe62cc83f9b7ebce3fd6c4311f6044532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d3baafc3a6b116e7cd4ec4a572889fe62cc83f9b7ebce3fd6c4311f6044532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d3baafc3a6b116e7cd4ec4a572889fe62cc83f9b7ebce3fd6c4311f6044532", kill_on_drop: false }`
[INFO] [stdout] f9d3baafc3a6b116e7cd4ec4a572889fe62cc83f9b7ebce3fd6c4311f6044532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a0a1ee0860a035c20f1c60b89fbeb9eee05fb962ae7744d4d5395b34ad4e39
[INFO] running `Command { std: "docker" "start" "-a" "f6a0a1ee0860a035c20f1c60b89fbeb9eee05fb962ae7744d4d5395b34ad4e39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2m 02s
[INFO] running `Command { std: "docker" "inspect" "f6a0a1ee0860a035c20f1c60b89fbeb9eee05fb962ae7744d4d5395b34ad4e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a0a1ee0860a035c20f1c60b89fbeb9eee05fb962ae7744d4d5395b34ad4e39", kill_on_drop: false }`
[INFO] [stdout] f6a0a1ee0860a035c20f1c60b89fbeb9eee05fb962ae7744d4d5395b34ad4e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b68c98ab0438f5b74ee1d782e765e51a76b03eb479d4810429522d044a57c7
[INFO] running `Command { std: "docker" "start" "-a" "87b68c98ab0438f5b74ee1d782e765e51a76b03eb479d4810429522d044a57c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2m 52s
[INFO] running `Command { std: "docker" "inspect" "87b68c98ab0438f5b74ee1d782e765e51a76b03eb479d4810429522d044a57c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b68c98ab0438f5b74ee1d782e765e51a76b03eb479d4810429522d044a57c7", kill_on_drop: false }`
[INFO] [stdout] 87b68c98ab0438f5b74ee1d782e765e51a76b03eb479d4810429522d044a57c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0affbc7725a9dca8acd5071332bc59eedefe4429678cbb872879add8a8e0ffbb
[INFO] running `Command { std: "docker" "start" "-a" "0affbc7725a9dca8acd5071332bc59eedefe4429678cbb872879add8a8e0ffbb", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a-ad3da922650e57d4)
[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" "0affbc7725a9dca8acd5071332bc59eedefe4429678cbb872879add8a8e0ffbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0affbc7725a9dca8acd5071332bc59eedefe4429678cbb872879add8a8e0ffbb", kill_on_drop: false }`
[INFO] [stdout] 0affbc7725a9dca8acd5071332bc59eedefe4429678cbb872879add8a8e0ffbb