[INFO] cloning repository https://github.com/huytd/hackernews-rss-reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huytd/hackernews-rss-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fhackernews-rss-reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fhackernews-rss-reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dfd9c7822bedd06c2280c81565af69102b3a9f3
[INFO] checking huytd/hackernews-rss-reader against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuytd%2Fhackernews-rss-reader" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huytd/hackernews-rss-reader on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huytd/hackernews-rss-reader
[INFO] finished tweaking git repo https://github.com/huytd/hackernews-rss-reader
[INFO] tweaked toml for git repo https://github.com/huytd/hackernews-rss-reader written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/huytd/hackernews-rss-reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3994cd603d45d11dbbfc57acc95f02a897eb3f712e0a67a403c17086808a1d
[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" "6b3994cd603d45d11dbbfc57acc95f02a897eb3f712e0a67a403c17086808a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3994cd603d45d11dbbfc57acc95f02a897eb3f712e0a67a403c17086808a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3994cd603d45d11dbbfc57acc95f02a897eb3f712e0a67a403c17086808a1d", kill_on_drop: false }`
[INFO] [stdout] 6b3994cd603d45d11dbbfc57acc95f02a897eb3f712e0a67a403c17086808a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160f711d675173bd803ba1d19612e753d84e4ef4ac05558935a37bdcdd684437
[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" "160f711d675173bd803ba1d19612e753d84e4ef4ac05558935a37bdcdd684437", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling openssl v0.9.15
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling yansi v0.3.2
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.2/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stdout]   |                                        ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking untrusted v0.5.0
[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" "160f711d675173bd803ba1d19612e753d84e4ef4ac05558935a37bdcdd684437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160f711d675173bd803ba1d19612e753d84e4ef4ac05558935a37bdcdd684437", kill_on_drop: false }`
[INFO] [stdout] 160f711d675173bd803ba1d19612e753d84e4ef4ac05558935a37bdcdd684437