[INFO] cloning repository https://github.com/vain0x/competo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vain0x/competo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvain0x%2Fcompeto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvain0x%2Fcompeto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eabac9240c6105965d99e41f8ea0e2d5a59cbfc
[INFO] checking vain0x/competo against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvain0x%2Fcompeto" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vain0x/competo on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vain0x/competo
[INFO] finished tweaking git repo https://github.com/vain0x/competo
[INFO] tweaked toml for git repo https://github.com/vain0x/competo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vain0x/competo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ena v0.9.3
[INFO] [stderr]   Downloaded cargo_metadata v0.6.0
[INFO] [stderr]   Downloaded derive-new v0.5.5
[INFO] [stderr]   Downloaded rustc-rayon-core v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_cratesio_shim v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v196.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v196.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v196.0.0
[INFO] [stderr]   Downloaded rustfmt-nightly v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e57f6ff6106592386f005667fbbb0c40b0545df47c6ce69cd24ee9a8af0d46d
[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" "9e57f6ff6106592386f005667fbbb0c40b0545df47c6ce69cd24ee9a8af0d46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e57f6ff6106592386f005667fbbb0c40b0545df47c6ce69cd24ee9a8af0d46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e57f6ff6106592386f005667fbbb0c40b0545df47c6ce69cd24ee9a8af0d46d", kill_on_drop: false }`
[INFO] [stdout] 9e57f6ff6106592386f005667fbbb0c40b0545df47c6ce69cd24ee9a8af0d46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3395691fb0ca7a25a264270e34e59a10025a4d061949ce177834fede4a36d2db
[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" "3395691fb0ca7a25a264270e34e59a10025a4d061949ce177834fede4a36d2db", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rustc-rayon-core v0.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking rustc-ap-serialize v196.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling rustc-ap-rustc_target v196.0.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[allow_internal_unstable]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc-ap-syntax v196.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scoped-tls`.
[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" "3395691fb0ca7a25a264270e34e59a10025a4d061949ce177834fede4a36d2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3395691fb0ca7a25a264270e34e59a10025a4d061949ce177834fede4a36d2db", kill_on_drop: false }`
[INFO] [stdout] 3395691fb0ca7a25a264270e34e59a10025a4d061949ce177834fede4a36d2db