[INFO] cloning repository https://github.com/cdebotton/ApiTools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdebotton/ApiTools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2FApiTools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2FApiTools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ddee23d2c79b4760629c6cd4d336a3e27fe4f3
[INFO] checking cdebotton/ApiTools against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2FApiTools" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdebotton/ApiTools on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdebotton/ApiTools
[INFO] finished tweaking git repo https://github.com/cdebotton/ApiTools
[INFO] tweaked toml for git repo https://github.com/cdebotton/ApiTools written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/cdebotton/ApiTools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d7e793907659f92243ffa061bc74544e566c793006bec18f2f2c10ca243a17
[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" "f9d7e793907659f92243ffa061bc74544e566c793006bec18f2f2c10ca243a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d7e793907659f92243ffa061bc74544e566c793006bec18f2f2c10ca243a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d7e793907659f92243ffa061bc74544e566c793006bec18f2f2c10ca243a17", kill_on_drop: false }`
[INFO] [stdout] f9d7e793907659f92243ffa061bc74544e566c793006bec18f2f2c10ca243a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc28454529c3d2b26180a896458a8e9e9d85672d9dd7c8785dbf412cf731e89b
[INFO] running `Command { std: "docker" "start" "-a" "cc28454529c3d2b26180a896458a8e9e9d85672d9dd7c8785dbf412cf731e89b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]    Compiling native-tls v0.2.2
[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 `futures`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc28454529c3d2b26180a896458a8e9e9d85672d9dd7c8785dbf412cf731e89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc28454529c3d2b26180a896458a8e9e9d85672d9dd7c8785dbf412cf731e89b", kill_on_drop: false }`
[INFO] [stdout] cc28454529c3d2b26180a896458a8e9e9d85672d9dd7c8785dbf412cf731e89b