[INFO] cloning repository https://github.com/simonvandel/fcbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonvandel/fcbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08439f0dc2e4d00fb8a3d6391842d47cdfe54178
[INFO] testing simonvandel/fcbf against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonvandel%2Ffcbf" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonvandel/fcbf 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/simonvandel/fcbf
[INFO] finished tweaking git repo https://github.com/simonvandel/fcbf
[INFO] tweaked toml for git repo https://github.com/simonvandel/fcbf written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/simonvandel/fcbf 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded serde v1.0.45
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded noisy_float v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] a8ced00eb895a36d87f985a4be14566d2daa2fb3d70bf38499d43a4a561b5215
[INFO] running `Command { std: "docker" "start" "-a" "a8ced00eb895a36d87f985a4be14566d2daa2fb3d70bf38499d43a4a561b5215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ced00eb895a36d87f985a4be14566d2daa2fb3d70bf38499d43a4a561b5215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ced00eb895a36d87f985a4be14566d2daa2fb3d70bf38499d43a4a561b5215", kill_on_drop: false }`
[INFO] [stdout] a8ced00eb895a36d87f985a4be14566d2daa2fb3d70bf38499d43a4a561b5215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 95138bae86bab317399db7ece032be216de48a2cb877bd3bfd646a65f662080f
[INFO] running `Command { std: "docker" "start" "-a" "95138bae86bab317399db7ece032be216de48a2cb877bd3bfd646a65f662080f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling serde v1.0.45
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling noisy_float v0.1.4
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling fcbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `fcbf` due to 2 previous errors
[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(nll)]
[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] running `Command { std: "docker" "inspect" "95138bae86bab317399db7ece032be216de48a2cb877bd3bfd646a65f662080f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95138bae86bab317399db7ece032be216de48a2cb877bd3bfd646a65f662080f", kill_on_drop: false }`
[INFO] [stdout] 95138bae86bab317399db7ece032be216de48a2cb877bd3bfd646a65f662080f