[INFO] cloning repository https://github.com/Holo-Host/hosting-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Holo-Host/hosting-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Fhosting-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Fhosting-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4ae12fd3ecc04d4d68001177bf9cc5c0f552911
[INFO] checking Holo-Host/hosting-app against f3df2feb79b2422c028f78855ec6ffe2e212d7cc for pr-163699
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHolo-Host%2Fhosting-app" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Holo-Host/hosting-app
[INFO] finished tweaking git repo https://github.com/Holo-Host/hosting-app
[INFO] tweaked toml for git repo https://github.com/Holo-Host/hosting-app written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Holo-Host/hosting-app on toolchain f3df2feb79b2422c028f78855ec6ffe2e212d7cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Holo-Host/hosting-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0
[INFO] running `Command { std: "docker" "start" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stdout] error: reserved `doc` attribute `html_rnoot_url`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-io-preview-0.2.2/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![doc(html_rnoot_url = "https://docs.rs/futures-io/0.2.2")]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-io-preview` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0", kill_on_drop: false }`
[INFO] [stdout] ded9df79bbd1c84bddc2bb254e4b0f8cc1a7f68c177db0b6fe912044f5f2cbb0