[INFO] cloning repository https://github.com/marcelbuesing/coala-collector-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcelbuesing/coala-collector-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcoala-collector-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcoala-collector-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba45b0a3bd2851155a1616a28643efc1b97c5e3
[INFO] testing marcelbuesing/coala-collector-backend against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fcoala-collector-backend" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcelbuesing/coala-collector-backend on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcelbuesing/coala-collector-backend
[INFO] finished tweaking git repo https://github.com/marcelbuesing/coala-collector-backend
[INFO] tweaked toml for git repo https://github.com/marcelbuesing/coala-collector-backend written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/marcelbuesing/coala-collector-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded bson v0.11.1
[INFO] [stderr]   Downloaded mongo_driver v0.12.0
[INFO] [stderr]   Downloaded hostname v0.1.4
[INFO] [stderr]   Downloaded mongoc-sys v1.8.2-0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b36adb9f7653ad7698976a060352d8ecafe100ed4c6d9f5630adc7e5791a69e
[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" "6b36adb9f7653ad7698976a060352d8ecafe100ed4c6d9f5630adc7e5791a69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b36adb9f7653ad7698976a060352d8ecafe100ed4c6d9f5630adc7e5791a69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b36adb9f7653ad7698976a060352d8ecafe100ed4c6d9f5630adc7e5791a69e", kill_on_drop: false }`
[INFO] [stdout] 6b36adb9f7653ad7698976a060352d8ecafe100ed4c6d9f5630adc7e5791a69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3e76afcab83bbe3d702e265824a72b41e369975f9814b65596eef7b2c7ceb1
[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" "0e3e76afcab83bbe3d702e265824a72b41e369975f9814b65596eef7b2c7ceb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e3e76afcab83bbe3d702e265824a72b41e369975f9814b65596eef7b2c7ceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3e76afcab83bbe3d702e265824a72b41e369975f9814b65596eef7b2c7ceb1", kill_on_drop: false }`
[INFO] [stdout] 0e3e76afcab83bbe3d702e265824a72b41e369975f9814b65596eef7b2c7ceb1