[INFO] cloning repository https://github.com/kimond/rust_baby_watcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimond/rust_baby_watcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Frust_baby_watcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Frust_baby_watcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e4badb92fb0079b61f23f7d078df08c913adbb8
[INFO] checking kimond/rust_baby_watcher against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Frust_baby_watcher" "/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/kimond/rust_baby_watcher on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimond/rust_baby_watcher
[INFO] finished tweaking git repo https://github.com/kimond/rust_baby_watcher
[INFO] tweaked toml for git repo https://github.com/kimond/rust_baby_watcher written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kimond/rust_baby_watcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi_codegen v0.32.0
[INFO] [stderr]   Downloaded syntex v0.58.1
[INFO] [stderr]   Downloaded syntex_pos v0.58.1
[INFO] [stderr]   Downloaded syntex_errors v0.58.1
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.4.0
[INFO] [stderr]   Downloaded clang-sys v0.15.2
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded syntex_syntax v0.58.1
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded muldiv v0.1.1
[INFO] [stderr]   Downloaded quasi v0.32.0
[INFO] [stderr]   Downloaded regex v0.2.6
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded rscam v0.5.3
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded gstreamer v0.10.2
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded aster v0.41.0
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded x264 v0.1.1
[INFO] [stderr]   Downloaded x264-sys v0.1.0
[INFO] [stderr]   Downloaded bindgen v0.23.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d58353df2bf883cdde614a43768cd3e6032f3b7d5676c47aeca0bbef8e32a70
[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" "3d58353df2bf883cdde614a43768cd3e6032f3b7d5676c47aeca0bbef8e32a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d58353df2bf883cdde614a43768cd3e6032f3b7d5676c47aeca0bbef8e32a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d58353df2bf883cdde614a43768cd3e6032f3b7d5676c47aeca0bbef8e32a70", kill_on_drop: false }`
[INFO] [stdout] 3d58353df2bf883cdde614a43768cd3e6032f3b7d5676c47aeca0bbef8e32a70
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] c78ab23772a3dc136726a7f859d485704a45a5b2302a5d1844d8a2293ae69bf7
[INFO] running `Command { std: "docker" "start" "-a" "c78ab23772a3dc136726a7f859d485704a45a5b2302a5d1844d8a2293ae69bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling pear v0.0.12
[INFO] [stderr]    Compiling gstreamer v0.10.2
[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]    Compiling ordermap v0.2.13
[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" "c78ab23772a3dc136726a7f859d485704a45a5b2302a5d1844d8a2293ae69bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78ab23772a3dc136726a7f859d485704a45a5b2302a5d1844d8a2293ae69bf7", kill_on_drop: false }`
[INFO] [stdout] c78ab23772a3dc136726a7f859d485704a45a5b2302a5d1844d8a2293ae69bf7