[INFO] cloning repository https://github.com/mchesser/doc-host
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mchesser/doc-host" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fdoc-host", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fdoc-host'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51029cd223c3aae848a0e866664d3edb3bde8978
[INFO] checking mchesser/doc-host against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fdoc-host" "/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/mchesser/doc-host on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mchesser/doc-host
[INFO] finished tweaking git repo https://github.com/mchesser/doc-host
[INFO] tweaked toml for git repo https://github.com/mchesser/doc-host written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mchesser/doc-host already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-error-chain v0.11.0
[INFO] [stderr]   Downloaded chrono v0.4.1
[INFO] [stderr]   Downloaded is-match v0.1.0
[INFO] [stderr]   Downloaded dotenv v0.11.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded pest_derive v1.0.6
[INFO] [stderr]   Downloaded libgit2-sys v0.7.1
[INFO] [stderr]   Downloaded ammonia v1.1.0
[INFO] [stderr]   Downloaded handlebars v0.32.0
[INFO] [stderr]   Downloaded elasticlunr-rs v1.0.0
[INFO] [stderr]   Downloaded toml-query v0.6.0
[INFO] [stderr]   Downloaded mdbook v0.1.5
[INFO] [stderr]   Downloaded rocket v0.3.6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1d0851039adb7ef8fb669348adb4288755e190e17eb05264a94d909a8e249f
[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" "7c1d0851039adb7ef8fb669348adb4288755e190e17eb05264a94d909a8e249f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1d0851039adb7ef8fb669348adb4288755e190e17eb05264a94d909a8e249f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1d0851039adb7ef8fb669348adb4288755e190e17eb05264a94d909a8e249f", kill_on_drop: false }`
[INFO] [stdout] 7c1d0851039adb7ef8fb669348adb4288755e190e17eb05264a94d909a8e249f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d50e2e9b91b15ee528eea1d2a7481de76d7c6a951863e5e013f109858c358a
[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" "63d50e2e9b91b15ee528eea1d2a7481de76d7c6a951863e5e013f109858c358a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking utf-8 v0.7.2
[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] 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" "63d50e2e9b91b15ee528eea1d2a7481de76d7c6a951863e5e013f109858c358a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d50e2e9b91b15ee528eea1d2a7481de76d7c6a951863e5e013f109858c358a", kill_on_drop: false }`
[INFO] [stdout] 63d50e2e9b91b15ee528eea1d2a7481de76d7c6a951863e5e013f109858c358a