[INFO] cloning repository https://github.com/burjui/rambo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burjui/rambo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08f1e9e93f66228509d716134683b900590f1ceb
[INFO] testing burjui/rambo against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburjui%2Frambo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burjui/rambo on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/burjui/rambo
[INFO] finished tweaking git repo https://github.com/burjui/rambo
[INFO] tweaked toml for git repo https://github.com/burjui/rambo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/burjui/rambo 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded risky v0.3.0
[INFO] [stderr]   Downloaded iset v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 662693a2328641c2bdd39367811715be70f97c4c6c1892bcb1f37f696eb64cf3
[INFO] running `Command { std: "docker" "start" "-a" "662693a2328641c2bdd39367811715be70f97c4c6c1892bcb1f37f696eb64cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "662693a2328641c2bdd39367811715be70f97c4c6c1892bcb1f37f696eb64cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662693a2328641c2bdd39367811715be70f97c4c6c1892bcb1f37f696eb64cf3", kill_on_drop: false }`
[INFO] [stdout] 662693a2328641c2bdd39367811715be70f97c4c6c1892bcb1f37f696eb64cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423951bcd260aa946dbeb3257d8977eda5a4a6900163077578e1e3927b18686d
[INFO] running `Command { std: "docker" "start" "-a" "423951bcd260aa946dbeb3257d8977eda5a4a6900163077578e1e3927b18686d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling risky v0.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling iset v0.1.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling bimap v0.6.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling riscv v0.1.0 (/opt/rustwide/workdir/riscv)
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling riscv_emulator v0.1.0 (/opt/rustwide/workdir/riscv_emulator)
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.2
[INFO] [stderr]    Compiling bincode v2.0.0-rc.2
[INFO] [stderr]    Compiling rambo v0.3.7 (/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(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rambo` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "423951bcd260aa946dbeb3257d8977eda5a4a6900163077578e1e3927b18686d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423951bcd260aa946dbeb3257d8977eda5a4a6900163077578e1e3927b18686d", kill_on_drop: false }`
[INFO] [stdout] 423951bcd260aa946dbeb3257d8977eda5a4a6900163077578e1e3927b18686d
