[INFO] cloning repository https://github.com/mathiasmagnusson/valiac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathiasmagnusson/valiac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiasmagnusson%2Fvaliac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiasmagnusson%2Fvaliac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95462b1a4d4485ba376575cf814135f3ec4b6a5
[INFO] testing mathiasmagnusson/valiac against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiasmagnusson%2Fvaliac" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathiasmagnusson/valiac on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mathiasmagnusson/valiac
[INFO] finished tweaking git repo https://github.com/mathiasmagnusson/valiac
[INFO] tweaked toml for git repo https://github.com/mathiasmagnusson/valiac written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mathiasmagnusson/valiac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-getters v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9da40c51afa918777c7c4dee7960c3386c2b80a1e87b3a52653a23f2a8315f8
[INFO] running `Command { std: "docker" "start" "-a" "f9da40c51afa918777c7c4dee7960c3386c2b80a1e87b3a52653a23f2a8315f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9da40c51afa918777c7c4dee7960c3386c2b80a1e87b3a52653a23f2a8315f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9da40c51afa918777c7c4dee7960c3386c2b80a1e87b3a52653a23f2a8315f8", kill_on_drop: false }`
[INFO] [stdout] f9da40c51afa918777c7c4dee7960c3386c2b80a1e87b3a52653a23f2a8315f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d2037831adec4e974c3f2a1cf78d9eacb139969a2be30a9c128a6abfb1d997
[INFO] running `Command { std: "docker" "start" "-a" "37d2037831adec4e974c3f2a1cf78d9eacb139969a2be30a9c128a6abfb1d997", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive-getters v0.1.0
[INFO] [stderr]    Compiling hel 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cst/operators.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `hel` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "37d2037831adec4e974c3f2a1cf78d9eacb139969a2be30a9c128a6abfb1d997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d2037831adec4e974c3f2a1cf78d9eacb139969a2be30a9c128a6abfb1d997", kill_on_drop: false }`
[INFO] [stdout] 37d2037831adec4e974c3f2a1cf78d9eacb139969a2be30a9c128a6abfb1d997