[INFO] cloning repository https://github.com/n4sm/Dumbleodor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4sm/Dumbleodor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4sm%2FDumbleodor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4sm%2FDumbleodor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fef5d8985b4d75f25ceb39a439e88add2b508e62
[INFO] testing n4sm/Dumbleodor against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4sm%2FDumbleodor" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4sm/Dumbleodor on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4sm/Dumbleodor
[INFO] finished tweaking git repo https://github.com/n4sm/Dumbleodor
[INFO] tweaked toml for git repo https://github.com/n4sm/Dumbleodor written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31f6b096de8749a4c5b180236f047bc9d1cfebbf0ccff01d49daecff4ad8ebf6
[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" "31f6b096de8749a4c5b180236f047bc9d1cfebbf0ccff01d49daecff4ad8ebf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f6b096de8749a4c5b180236f047bc9d1cfebbf0ccff01d49daecff4ad8ebf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f6b096de8749a4c5b180236f047bc9d1cfebbf0ccff01d49daecff4ad8ebf6", kill_on_drop: false }`
[INFO] [stdout] 31f6b096de8749a4c5b180236f047bc9d1cfebbf0ccff01d49daecff4ad8ebf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75710d627a677eb5eb433156ab3170f7f104219af352acf26f67b18305da19e8
[INFO] running `Command { std: "docker" "start" "-a" "75710d627a677eb5eb433156ab3170f7f104219af352acf26f67b18305da19e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling lde v0.3.0
[INFO] [stderr]    Compiling iced-x86 v1.10.0
[INFO] [stderr]    Compiling xmas-elf v0.7.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling DBI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Formatter`, `NasmFormatter`
[INFO] [stdout]  --> src/lib_leodor/loader.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use iced_x86::{Decoder, DecoderOptions, Formatter, Instruction, NasmFormatter, Code, InstructionBlock, BlockEncoder};
[INFO] [stdout]   |                                         ^^^^^^^^^               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `callback` should have an upper camel case name
[INFO] [stdout]   --> src/lib_leodor/loader.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | type callback = fn(binary: Binary64) -> Result<(), ()>;
[INFO] [stdout]    |      ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Callback`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `func_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/lib_leodor/loader.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | type func_ptr = fn();
[INFO] [stdout]    |      ^^^^^^^^ help: convert the identifier to upper camel case: `FuncPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `auxvt` should have an upper camel case name
[INFO] [stdout]    --> src/lib_leodor/loader.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct auxvt {
[INFO] [stdout]     |            ^^^^^ help: convert the identifier to upper camel case: `Auxvt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `regs64` should have an upper camel case name
[INFO] [stdout]    --> src/lib_leodor/loader.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct regs64 {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to upper camel case: `Regs64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `mdata_dbi64` should have an upper camel case name
[INFO] [stdout]    --> src/lib_leodor/loader.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | struct mdata_dbi64 {
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `MdataDbi64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `rDBI` should have an upper camel case name
[INFO] [stdout]    --> src/lib_leodor/loader.rs:183:11
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub trait rDBI {
[INFO] [stdout]     |           ^^^^ help: convert the identifier to upper camel case: `RDbi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DBI`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "75710d627a677eb5eb433156ab3170f7f104219af352acf26f67b18305da19e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75710d627a677eb5eb433156ab3170f7f104219af352acf26f67b18305da19e8", kill_on_drop: false }`
[INFO] [stdout] 75710d627a677eb5eb433156ab3170f7f104219af352acf26f67b18305da19e8