[INFO] cloning repository https://github.com/mabruckner/Ornament
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mabruckner/Ornament" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2FOrnament", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2FOrnament'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d135cb86d9144e95edf1ae7d17515ad18044e1eb
[INFO] checking mabruckner/Ornament against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2FOrnament" "/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/mabruckner/Ornament on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mabruckner/Ornament
[INFO] finished tweaking git repo https://github.com/mabruckner/Ornament
[INFO] tweaked toml for git repo https://github.com/mabruckner/Ornament written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mabruckner/Ornament already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_codegen v0.3.3
[INFO] [stderr]   Downloaded rocket v0.3.3
[INFO] [stderr]   Downloaded rocket_contrib v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.23
[INFO] [stderr]   Downloaded serde v1.0.23
[INFO] [stderr]   Downloaded rust-base58 v0.0.4
[INFO] [stderr]   Downloaded pear_codegen v0.0.10
[INFO] [stderr]   Downloaded pear v0.0.10
[INFO] [stderr]   Downloaded rayon-core v1.3.0
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded serde_json v1.0.7
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b884be89af750a75c775e560699b92d55aca4a1803c3eaacd29bb26566732c
[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" "b5b884be89af750a75c775e560699b92d55aca4a1803c3eaacd29bb26566732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b884be89af750a75c775e560699b92d55aca4a1803c3eaacd29bb26566732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b884be89af750a75c775e560699b92d55aca4a1803c3eaacd29bb26566732c", kill_on_drop: false }`
[INFO] [stdout] b5b884be89af750a75c775e560699b92d55aca4a1803c3eaacd29bb26566732c
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 216d22f6bd80c94ae8ec75e6c8b09cc643f68e2614dfff76968b74b1e07db608
[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" "216d22f6bd80c94ae8ec75e6c8b09cc643f68e2614dfff76968b74b1e07db608", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[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] [stderr]    Compiling untrusted v0.5.1
[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" "216d22f6bd80c94ae8ec75e6c8b09cc643f68e2614dfff76968b74b1e07db608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216d22f6bd80c94ae8ec75e6c8b09cc643f68e2614dfff76968b74b1e07db608", kill_on_drop: false }`
[INFO] [stdout] 216d22f6bd80c94ae8ec75e6c8b09cc643f68e2614dfff76968b74b1e07db608