[INFO] cloning repository https://github.com/modeco80/prepemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modeco80/prepemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeco80%2Fprepemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeco80%2Fprepemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 659ebe345a40ab9869581a3f81d99145853971fa
[INFO] testing modeco80/prepemu against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodeco80%2Fprepemu" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modeco80/prepemu on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/modeco80/prepemu
[INFO] finished tweaking git repo https://github.com/modeco80/prepemu
[INFO] tweaked toml for git repo https://github.com/modeco80/prepemu written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/modeco80/prepemu 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42c9215dd73159fb0138b6ab634f653316eaa657b70a71c1a3b17f8beb0596be
[INFO] running `Command { std: "docker" "start" "-a" "42c9215dd73159fb0138b6ab634f653316eaa657b70a71c1a3b17f8beb0596be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c9215dd73159fb0138b6ab634f653316eaa657b70a71c1a3b17f8beb0596be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c9215dd73159fb0138b6ab634f653316eaa657b70a71c1a3b17f8beb0596be", kill_on_drop: false }`
[INFO] [stdout] 42c9215dd73159fb0138b6ab634f653316eaa657b70a71c1a3b17f8beb0596be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d76c0e465a66eb0bd651bcee4de877734e93dccd6019508a9ae83d90d5bafb7
[INFO] running `Command { std: "docker" "start" "-a" "5d76c0e465a66eb0bd651bcee4de877734e93dccd6019508a9ae83d90d5bafb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `NUM_GPR` is never used
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const NUM_GPR: usize = 32;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fpcsr` is never constructed
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct Fpcsr(u32);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]   --> src/main.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Fpcsr {
[INFO] [stdout]    |     ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |         fn as_u32(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct Cpu {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5d76c0e465a66eb0bd651bcee4de877734e93dccd6019508a9ae83d90d5bafb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d76c0e465a66eb0bd651bcee4de877734e93dccd6019508a9ae83d90d5bafb7", kill_on_drop: false }`
[INFO] [stdout] 5d76c0e465a66eb0bd651bcee4de877734e93dccd6019508a9ae83d90d5bafb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b176c26128207bff9f7d4d5ce9a9f1e70065c4c61a54cac94700f8c370463a
[INFO] running `Command { std: "docker" "start" "-a" "56b176c26128207bff9f7d4d5ce9a9f1e70065c4c61a54cac94700f8c370463a", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `NUM_GPR` is never used
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const NUM_GPR: usize = 32;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fpcsr` is never constructed
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct Fpcsr(u32);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]   --> src/main.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl Fpcsr {
[INFO] [stdout]    |     ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |         fn as_u32(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct Cpu {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "56b176c26128207bff9f7d4d5ce9a9f1e70065c4c61a54cac94700f8c370463a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b176c26128207bff9f7d4d5ce9a9f1e70065c4c61a54cac94700f8c370463a", kill_on_drop: false }`
[INFO] [stdout] 56b176c26128207bff9f7d4d5ce9a9f1e70065c4c61a54cac94700f8c370463a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95fb370bba45ae66a2963e95015705c64759afb3810003a9602fbeb006e1c65a
[INFO] running `Command { std: "docker" "start" "-a" "95fb370bba45ae66a2963e95015705c64759afb3810003a9602fbeb006e1c65a", kill_on_drop: false }`
[INFO] [stderr] warning: constant `NUM_GPR` is never used
[INFO] [stderr]  --> src/main.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 |     const NUM_GPR: usize = 32;
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Fpcsr` is never constructed
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     struct Fpcsr(u32);
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `as_u32` is never used
[INFO] [stderr]   --> src/main.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 9  |     impl Fpcsr {
[INFO] [stderr]    |     ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 12 |         fn as_u32(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cpu` is never constructed
[INFO] [stderr]   --> src/main.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     struct Cpu {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prepemu` (bin "prepemu" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prepemu-75909ec3100e7334)
[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" "95fb370bba45ae66a2963e95015705c64759afb3810003a9602fbeb006e1c65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fb370bba45ae66a2963e95015705c64759afb3810003a9602fbeb006e1c65a", kill_on_drop: false }`
[INFO] [stdout] 95fb370bba45ae66a2963e95015705c64759afb3810003a9602fbeb006e1c65a