[INFO] cloning repository https://github.com/rohanorton/rustboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohanorton/rustboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohanorton%2Frustboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohanorton%2Frustboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33711173a88a5af1032af10565a7aece3ce32668
[INFO] checking rohanorton/rustboy against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohanorton%2Frustboy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rohanorton/rustboy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rohanorton/rustboy
[INFO] finished tweaking git repo https://github.com/rohanorton/rustboy
[INFO] tweaked toml for git repo https://github.com/rohanorton/rustboy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rohanorton/rustboy 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] [stderr]   Downloaded rustix v0.36.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c8904e90093da0cd3ff43cee496e5a46585830ffa73f7c1887c9386f5f5cfb
[INFO] running `Command { std: "docker" "start" "-a" "64c8904e90093da0cd3ff43cee496e5a46585830ffa73f7c1887c9386f5f5cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c8904e90093da0cd3ff43cee496e5a46585830ffa73f7c1887c9386f5f5cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c8904e90093da0cd3ff43cee496e5a46585830ffa73f7c1887c9386f5f5cfb", kill_on_drop: false }`
[INFO] [stdout] 64c8904e90093da0cd3ff43cee496e5a46585830ffa73f7c1887c9386f5f5cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77aaede103323eb66d9683bbb6cb4264a8c91fa72da28fc1678bcf3c91b4047d
[INFO] running `Command { std: "docker" "start" "-a" "77aaede103323eb66d9683bbb6cb4264a8c91fa72da28fc1678bcf3c91b4047d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/memory/void.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/di.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/ei.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/halt.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/memory/void.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "77aaede103323eb66d9683bbb6cb4264a8c91fa72da28fc1678bcf3c91b4047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aaede103323eb66d9683bbb6cb4264a8c91fa72da28fc1678bcf3c91b4047d", kill_on_drop: false }`
[INFO] [stdout] 77aaede103323eb66d9683bbb6cb4264a8c91fa72da28fc1678bcf3c91b4047d
[INFO] checking rohanorton/rustboy against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohanorton%2Frustboy" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rohanorton/rustboy on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rohanorton/rustboy
[INFO] finished tweaking git repo https://github.com/rohanorton/rustboy
[INFO] tweaked toml for git repo https://github.com/rohanorton/rustboy written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rohanorton/rustboy 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea34573c1a696c3cff0ab1f245d83afd74dac4ff270c7447c820ffeaaaab398f
[INFO] running `Command { std: "docker" "start" "-a" "ea34573c1a696c3cff0ab1f245d83afd74dac4ff270c7447c820ffeaaaab398f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea34573c1a696c3cff0ab1f245d83afd74dac4ff270c7447c820ffeaaaab398f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea34573c1a696c3cff0ab1f245d83afd74dac4ff270c7447c820ffeaaaab398f", kill_on_drop: false }`
[INFO] [stdout] ea34573c1a696c3cff0ab1f245d83afd74dac4ff270c7447c820ffeaaaab398f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc881b1b79a7be5fd1372edf7bd8c3600eaeef20a98ab0566fc904964dc26566
[INFO] running `Command { std: "docker" "start" "-a" "bc881b1b79a7be5fd1372edf7bd8c3600eaeef20a98ab0566fc904964dc26566", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/memory/void.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/di.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/ei.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cpu` is imported redundantly
[INFO] [stdout]   --> src/cpu/operations/halt.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::cpu::Cpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cpu` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]  --> src/memory/void.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "bc881b1b79a7be5fd1372edf7bd8c3600eaeef20a98ab0566fc904964dc26566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc881b1b79a7be5fd1372edf7bd8c3600eaeef20a98ab0566fc904964dc26566", kill_on_drop: false }`
[INFO] [stdout] bc881b1b79a7be5fd1372edf7bd8c3600eaeef20a98ab0566fc904964dc26566