[INFO] cloning repository https://github.com/jpochyla/trezor-rust-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpochyla/trezor-rust-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpochyla%2Ftrezor-rust-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpochyla%2Ftrezor-rust-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dccf9e68259a32d0d6bfe92b8967efe23fbe2f53
[INFO] testing jpochyla/trezor-rust-experiment against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpochyla%2Ftrezor-rust-experiment" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpochyla/trezor-rust-experiment on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-30/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jpochyla/trezor-rust-experiment
[INFO] finished tweaking git repo https://github.com/jpochyla/trezor-rust-experiment
[INFO] tweaked toml for git repo https://github.com/jpochyla/trezor-rust-experiment written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/jpochyla/trezor-rust-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 772e4986724ae43530e321b16fc2e9ec56760b2e62e4f9264bab2476faca4093
[INFO] running `Command { std: "docker" "start" "-a" "772e4986724ae43530e321b16fc2e9ec56760b2e62e4f9264bab2476faca4093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772e4986724ae43530e321b16fc2e9ec56760b2e62e4f9264bab2476faca4093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772e4986724ae43530e321b16fc2e9ec56760b2e62e4f9264bab2476faca4093", kill_on_drop: false }`
[INFO] [stdout] 772e4986724ae43530e321b16fc2e9ec56760b2e62e4f9264bab2476faca4093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efa50ababc92b3de85f254145d3a711a36a353a48eb9a13b3b16b2ee3b29cc4
[INFO] running `Command { std: "docker" "start" "-a" "2efa50ababc92b3de85f254145d3a711a36a353a48eb9a13b3b16b2ee3b29cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling r0 v0.2.0
[INFO] [stderr]    Compiling compiler-builtins-snapshot v0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(linkage)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler-builtins-snapshot` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "2efa50ababc92b3de85f254145d3a711a36a353a48eb9a13b3b16b2ee3b29cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efa50ababc92b3de85f254145d3a711a36a353a48eb9a13b3b16b2ee3b29cc4", kill_on_drop: false }`
[INFO] [stdout] 2efa50ababc92b3de85f254145d3a711a36a353a48eb9a13b3b16b2ee3b29cc4