[INFO] cloning repository https://github.com/sasuseso/x86_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sasuseso/x86_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasuseso%2Fx86_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasuseso%2Fx86_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc65bfbba7836d36ff1e830cdee82a1a21a8a8e8
[INFO] checking sasuseso/x86_emu against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasuseso%2Fx86_emu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sasuseso/x86_emu on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sasuseso/x86_emu
[INFO] finished tweaking git repo https://github.com/sasuseso/x86_emu
[INFO] tweaked toml for git repo https://github.com/sasuseso/x86_emu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sasuseso/x86_emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d7d26f65288229417c00bc4aaad6e490f6d67da57ecbd7d5791f6d2aadd14cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d7d26f65288229417c00bc4aaad6e490f6d67da57ecbd7d5791f6d2aadd14cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7d26f65288229417c00bc4aaad6e490f6d67da57ecbd7d5791f6d2aadd14cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7d26f65288229417c00bc4aaad6e490f6d67da57ecbd7d5791f6d2aadd14cc", kill_on_drop: false }`
[INFO] [stdout] 7d7d26f65288229417c00bc4aaad6e490f6d67da57ecbd7d5791f6d2aadd14cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a93e10f51a3e1e91cdadb4c4851a1f7ba6f6867ea3aba9ed88a0d1d04893dde
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a93e10f51a3e1e91cdadb4c4851a1f7ba6f6867ea3aba9ed88a0d1d04893dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking x86_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Ecx`
[INFO] [stdout]   --> src/emulator/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Ecx = 1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esi`
[INFO] [stdout]   --> src/emulator/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Esi = 6,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edi`
[INFO] [stdout]   --> src/emulator/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Edi = 7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cl`
[INFO] [stdout]   --> src/emulator/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn cl() -> usize { Self::Ecx as usize }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dl`
[INFO] [stdout]   --> src/emulator/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn dl() -> usize { Self::Edx as usize }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ch`
[INFO] [stdout]   --> src/emulator/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn ch() -> usize { Self::cl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dh`
[INFO] [stdout]   --> src/emulator/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn dh() -> usize { Self::dl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bh`
[INFO] [stdout]   --> src/emulator/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn bh() -> usize { Self::bl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ecx`
[INFO] [stdout]   --> src/emulator/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Ecx = 1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esi`
[INFO] [stdout]   --> src/emulator/mod.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Esi = 6,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edi`
[INFO] [stdout]   --> src/emulator/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Edi = 7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cl`
[INFO] [stdout]   --> src/emulator/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn cl() -> usize { Self::Ecx as usize }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dl`
[INFO] [stdout]   --> src/emulator/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn dl() -> usize { Self::Edx as usize }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ch`
[INFO] [stdout]   --> src/emulator/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn ch() -> usize { Self::cl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dh`
[INFO] [stdout]   --> src/emulator/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn dh() -> usize { Self::dl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bh`
[INFO] [stdout]   --> src/emulator/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn bh() -> usize { Self::bl() + 4 }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "3a93e10f51a3e1e91cdadb4c4851a1f7ba6f6867ea3aba9ed88a0d1d04893dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a93e10f51a3e1e91cdadb4c4851a1f7ba6f6867ea3aba9ed88a0d1d04893dde", kill_on_drop: false }`
[INFO] [stdout] 3a93e10f51a3e1e91cdadb4c4851a1f7ba6f6867ea3aba9ed88a0d1d04893dde