[INFO] cloning repository https://github.com/AnyTimeTraveler/tbcli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnyTimeTraveler/tbcli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2Ftbcli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2Ftbcli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f51c92b36c2d082986317aff6a8432a07f7f65c
[INFO] testing AnyTimeTraveler/tbcli against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2Ftbcli" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnyTimeTraveler/tbcli on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnyTimeTraveler/tbcli
[INFO] finished tweaking git repo https://github.com/AnyTimeTraveler/tbcli
[INFO] tweaked toml for git repo https://github.com/AnyTimeTraveler/tbcli written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AnyTimeTraveler/tbcli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-futures v0.2.3
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded telegram-bot-raw v0.7.0
[INFO] [stderr]   Downloaded tokio v0.2.17
[INFO] [stderr]   Downloaded telegram-bot v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f33c6f802d98ec6261243d0673ab89d2c7b90a52565c9a492eee1771a6a4558
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f33c6f802d98ec6261243d0673ab89d2c7b90a52565c9a492eee1771a6a4558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f33c6f802d98ec6261243d0673ab89d2c7b90a52565c9a492eee1771a6a4558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f33c6f802d98ec6261243d0673ab89d2c7b90a52565c9a492eee1771a6a4558", kill_on_drop: false }`
[INFO] [stdout] 0f33c6f802d98ec6261243d0673ab89d2c7b90a52565c9a492eee1771a6a4558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb18374759b40a10978eb938c2071af05982f40d8cf427fae60490aca88c025
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5eb18374759b40a10978eb938c2071af05982f40d8cf427fae60490aca88c025", kill_on_drop: false }`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling telegram-bot-raw v0.7.0
[INFO] [stderr]    Compiling tokio v0.2.17
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling telegram-bot v0.7.0
[INFO] [stderr]    Compiling tbcli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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 `tbcli`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5eb18374759b40a10978eb938c2071af05982f40d8cf427fae60490aca88c025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb18374759b40a10978eb938c2071af05982f40d8cf427fae60490aca88c025", kill_on_drop: false }`
[INFO] [stdout] 5eb18374759b40a10978eb938c2071af05982f40d8cf427fae60490aca88c025