[INFO] cloning repository https://github.com/m1el/memdmp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m1el/memdmp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1el%2Fmemdmp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1el%2Fmemdmp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e6d3d9157f2748f8732c44e0e92536e49e71baf
[INFO] testing m1el/memdmp against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1el%2Fmemdmp" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m1el/memdmp on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-69/source/.cargo/config
[INFO] started tweaking git repo https://github.com/m1el/memdmp
[INFO] finished tweaking git repo https://github.com/m1el/memdmp
[INFO] tweaked toml for git repo https://github.com/m1el/memdmp written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/m1el/memdmp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff9fd5c2c30da363962d8d050b04d8b52715a9e87c9d97969a3f49c45b98e99
[INFO] running `Command { std: "docker" "start" "-a" "0ff9fd5c2c30da363962d8d050b04d8b52715a9e87c9d97969a3f49c45b98e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff9fd5c2c30da363962d8d050b04d8b52715a9e87c9d97969a3f49c45b98e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff9fd5c2c30da363962d8d050b04d8b52715a9e87c9d97969a3f49c45b98e99", kill_on_drop: false }`
[INFO] [stdout] 0ff9fd5c2c30da363962d8d050b04d8b52715a9e87c9d97969a3f49c45b98e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f99ce556007d04e13c36ae476c2e354b2ea4f34f44a4661a8421675c404c001
[INFO] running `Command { std: "docker" "start" "-a" "2f99ce556007d04e13c36ae476c2e354b2ea4f34f44a4661a8421675c404c001", kill_on_drop: false }`
[INFO] [stderr]    Compiling memdmp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm, lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(global_asm, start)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: avoid using `.intel_syntax`, Intel syntax is the default
[INFO] [stdout]    --> src/syscalls.rs:265:1
[INFO] [stdout]     |
[INFO] [stdout] 265 | .intel_syntax
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bad_asm_style)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: avoid using `.att_syntax`, prefer using `options(att_syntax)` instead
[INFO] [stdout]    --> src/syscalls.rs:283:1
[INFO] [stdout]     |
[INFO] [stdout] 283 | .att_syntax
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 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 `memdmp` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2f99ce556007d04e13c36ae476c2e354b2ea4f34f44a4661a8421675c404c001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f99ce556007d04e13c36ae476c2e354b2ea4f34f44a4661a8421675c404c001", kill_on_drop: false }`
[INFO] [stdout] 2f99ce556007d04e13c36ae476c2e354b2ea4f34f44a4661a8421675c404c001