[INFO] cloning repository https://github.com/asonix/cobalt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asonix/cobalt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasonix%2Fcobalt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasonix%2Fcobalt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 008ed65293a20b042ee51d66c52f14db60c76b8c
[INFO] checking asonix/cobalt against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasonix%2Fcobalt" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asonix/cobalt on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asonix/cobalt
[INFO] finished tweaking git repo https://github.com/asonix/cobalt
[INFO] tweaked toml for git repo https://github.com/asonix/cobalt written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/asonix/cobalt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie v0.9.1
[INFO] [stderr]   Downloaded diesel v0.16.0
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded diesel_codegen v0.16.0
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded rocket v0.3.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.10
[INFO] [stderr]   Downloaded rocket_contrib v0.3.3
[INFO] [stderr]   Downloaded rocket_codegen v0.3.3
[INFO] [stderr]   Downloaded pear v0.0.10
[INFO] [stderr]   Downloaded r2d2-diesel v0.16.0
[INFO] [stderr]   Downloaded diesel_infer_schema v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53566541d783956489805d0b0dcf81f43071efe88f31772255d4bee4a1fd6d2a
[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" "53566541d783956489805d0b0dcf81f43071efe88f31772255d4bee4a1fd6d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53566541d783956489805d0b0dcf81f43071efe88f31772255d4bee4a1fd6d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53566541d783956489805d0b0dcf81f43071efe88f31772255d4bee4a1fd6d2a", kill_on_drop: false }`
[INFO] [stdout] 53566541d783956489805d0b0dcf81f43071efe88f31772255d4bee4a1fd6d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8192726864e7e39b4df92d5c3c67482d300cb89f4af7cf20b65652dbd7d77bfe
[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" "8192726864e7e39b4df92d5c3c67482d300cb89f4af7cf20b65652dbd7d77bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling either v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking serde v1.0.15
[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" "8192726864e7e39b4df92d5c3c67482d300cb89f4af7cf20b65652dbd7d77bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8192726864e7e39b4df92d5c3c67482d300cb89f4af7cf20b65652dbd7d77bfe", kill_on_drop: false }`
[INFO] [stdout] 8192726864e7e39b4df92d5c3c67482d300cb89f4af7cf20b65652dbd7d77bfe