[INFO] cloning repository https://github.com/n01e0/yarve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n01e0/yarve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn01e0%2Fyarve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn01e0%2Fyarve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 892f95552308e26843fd94fbaf18f74b5c85885f
[INFO] building n01e0/yarve against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn01e0%2Fyarve" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n01e0/yarve on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n01e0/yarve
[INFO] finished tweaking git repo https://github.com/n01e0/yarve
[INFO] tweaked toml for git repo https://github.com/n01e0/yarve written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/n01e0/yarve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1003b5c5af00d26c1d59e26a0b70682480fcd80901f552bca3941ca28344ba07
[INFO] running `Command { std: "docker" "start" "-a" "1003b5c5af00d26c1d59e26a0b70682480fcd80901f552bca3941ca28344ba07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1003b5c5af00d26c1d59e26a0b70682480fcd80901f552bca3941ca28344ba07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1003b5c5af00d26c1d59e26a0b70682480fcd80901f552bca3941ca28344ba07", kill_on_drop: false }`
[INFO] [stdout] 1003b5c5af00d26c1d59e26a0b70682480fcd80901f552bca3941ca28344ba07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fa83100ecdc3edf5871489d8c95f11eaf7ce47437c2c8ae48a1411c37134dc
[INFO] running `Command { std: "docker" "start" "-a" "f1fa83100ecdc3edf5871489d8c95f11eaf7ce47437c2c8ae48a1411c37134dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling yarve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `register_int` is never read
[INFO] [stdout]  --> src/emulator.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Emulator {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     pub register_int: [u64; 32],
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Emulator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "f1fa83100ecdc3edf5871489d8c95f11eaf7ce47437c2c8ae48a1411c37134dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fa83100ecdc3edf5871489d8c95f11eaf7ce47437c2c8ae48a1411c37134dc", kill_on_drop: false }`
[INFO] [stdout] f1fa83100ecdc3edf5871489d8c95f11eaf7ce47437c2c8ae48a1411c37134dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f069c5f441d9a9426309163fe60cdacb87fa329a90b60d6edc34744cbeff1bc1
[INFO] running `Command { std: "docker" "start" "-a" "f069c5f441d9a9426309163fe60cdacb87fa329a90b60d6edc34744cbeff1bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `register_int` is never read
[INFO] [stdout]  --> src/emulator.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Emulator {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     pub register_int: [u64; 32],
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Emulator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `register_int` is never read
[INFO] [stdout]  --> src/emulator.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Emulator {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     pub register_int: [u64; 32],
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Emulator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "f069c5f441d9a9426309163fe60cdacb87fa329a90b60d6edc34744cbeff1bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f069c5f441d9a9426309163fe60cdacb87fa329a90b60d6edc34744cbeff1bc1", kill_on_drop: false }`
[INFO] [stdout] f069c5f441d9a9426309163fe60cdacb87fa329a90b60d6edc34744cbeff1bc1