[INFO] cloning repository https://github.com/aochagavia/rust_meets_csharp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aochagavia/rust_meets_csharp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d06af332fbc9c03486de7a0b2209cab699000072
[INFO] testing aochagavia/rust_meets_csharp/d06af332fbc9c03486de7a0b2209cab699000072 against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aochagavia/rust_meets_csharp on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aochagavia/rust_meets_csharp
[INFO] finished tweaking git repo https://github.com/aochagavia/rust_meets_csharp
[INFO] tweaked toml for git repo https://github.com/aochagavia/rust_meets_csharp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aochagavia/rust_meets_csharp 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/type_checker/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/frontend/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/benchmarks/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/interpreter/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cfc652ee47bc6946a3a9f3ba26c86af2969ae616fcf032f4617dd671c91f0b4
[INFO] running `Command { std: "docker" "start" "-a" "2cfc652ee47bc6946a3a9f3ba26c86af2969ae616fcf032f4617dd671c91f0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfc652ee47bc6946a3a9f3ba26c86af2969ae616fcf032f4617dd671c91f0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfc652ee47bc6946a3a9f3ba26c86af2969ae616fcf032f4617dd671c91f0b4", kill_on_drop: false }`
[INFO] [stdout] 2cfc652ee47bc6946a3a9f3ba26c86af2969ae616fcf032f4617dd671c91f0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb23daf8bf2663790ce2ef6d7a0fa501684d2673b7f6ffcb333bdb06594c8d7
[INFO] running `Command { std: "docker" "start" "-a" "5bb23daf8bf2663790ce2ef6d7a0fa501684d2673b7f6ffcb333bdb06594c8d7", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/type_checker/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/interpreter/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/benchmarks/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/frontend/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> frontend/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> frontend/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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 `frontend` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `libc` (lib)
[INFO] running `Command { std: "docker" "inspect" "5bb23daf8bf2663790ce2ef6d7a0fa501684d2673b7f6ffcb333bdb06594c8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb23daf8bf2663790ce2ef6d7a0fa501684d2673b7f6ffcb333bdb06594c8d7", kill_on_drop: false }`
[INFO] [stdout] 5bb23daf8bf2663790ce2ef6d7a0fa501684d2673b7f6ffcb333bdb06594c8d7