[INFO] cloning repository https://github.com/guzart/bender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guzart/bender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguzart%2Fbender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguzart%2Fbender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ef2f1208f0e530b9c0f0230fe63907a5079c934
[INFO] checking guzart/bender against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguzart%2Fbender" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guzart/bender on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guzart/bender
[INFO] finished tweaking git repo https://github.com/guzart/bender
[INFO] tweaked toml for git repo https://github.com/guzart/bender written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/guzart/bender already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 78a86846a6ba36ee6fce8f045f09dea0db893641cf7ec8c9711c11ee7f04b611
[INFO] running `Command { std: "docker" "start" "-a" "78a86846a6ba36ee6fce8f045f09dea0db893641cf7ec8c9711c11ee7f04b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a86846a6ba36ee6fce8f045f09dea0db893641cf7ec8c9711c11ee7f04b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a86846a6ba36ee6fce8f045f09dea0db893641cf7ec8c9711c11ee7f04b611", kill_on_drop: false }`
[INFO] [stdout] 78a86846a6ba36ee6fce8f045f09dea0db893641cf7ec8c9711c11ee7f04b611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] d77b853008c88063ffbdfaa84f1508b47bcab482bd68e2f3b4eed94360c6ecb6
[INFO] running `Command { std: "docker" "start" "-a" "d77b853008c88063ffbdfaa84f1508b47bcab482bd68e2f3b4eed94360c6ecb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi`
[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" "d77b853008c88063ffbdfaa84f1508b47bcab482bd68e2f3b4eed94360c6ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77b853008c88063ffbdfaa84f1508b47bcab482bd68e2f3b4eed94360c6ecb6", kill_on_drop: false }`
[INFO] [stdout] d77b853008c88063ffbdfaa84f1508b47bcab482bd68e2f3b4eed94360c6ecb6