[INFO] cloning repository https://github.com/stefan-k/funnel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefan-k/funnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-k%2Ffunnel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-k%2Ffunnel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaaed45fb4d962a2bf6a95b6ebfcbb55f4eaff7f
[INFO] testing stefan-k/funnel against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-k%2Ffunnel" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefan-k/funnel on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefan-k/funnel
[INFO] finished tweaking git repo https://github.com/stefan-k/funnel
[INFO] tweaked toml for git repo https://github.com/stefan-k/funnel written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/stefan-k/funnel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3b60bccb4a7a4c2d28f3858e641296add7c0d3c304c7ad1614fecb7fbe5704
[INFO] running `Command { std: "docker" "start" "-a" "4b3b60bccb4a7a4c2d28f3858e641296add7c0d3c304c7ad1614fecb7fbe5704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3b60bccb4a7a4c2d28f3858e641296add7c0d3c304c7ad1614fecb7fbe5704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3b60bccb4a7a4c2d28f3858e641296add7c0d3c304c7ad1614fecb7fbe5704", kill_on_drop: false }`
[INFO] [stdout] 4b3b60bccb4a7a4c2d28f3858e641296add7c0d3c304c7ad1614fecb7fbe5704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bcee180d67f561bdf9f7384b82693697d54aac94b1ffbc1b8808083913a191
[INFO] running `Command { std: "docker" "start" "-a" "b4bcee180d67f561bdf9f7384b82693697d54aac94b1ffbc1b8808083913a191", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling shellwords v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling shellfn-core v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling shellfn-attribute v0.1.1
[INFO] [stderr]    Compiling shellfn v0.1.1
[INFO] [stderr]    Compiling funnel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(never_type)]
[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 `funnel` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4bcee180d67f561bdf9f7384b82693697d54aac94b1ffbc1b8808083913a191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bcee180d67f561bdf9f7384b82693697d54aac94b1ffbc1b8808083913a191", kill_on_drop: false }`
[INFO] [stdout] b4bcee180d67f561bdf9f7384b82693697d54aac94b1ffbc1b8808083913a191