[INFO] cloning repository https://github.com/3c1u/maysick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3c1u/maysick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06def1cc35281607b58fbf2d8b23284135cf41ed
[INFO] checking 3c1u/maysick against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3c1u%2Fmaysick" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3c1u/maysick on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3c1u/maysick
[INFO] finished tweaking git repo https://github.com/3c1u/maysick
[INFO] tweaked toml for git repo https://github.com/3c1u/maysick written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/3c1u/maysick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f33913506321c53521ba533c118f0267cb0fa6ffb0880ef7020802f91116c9f
[INFO] running `Command { std: "docker" "start" "-a" "7f33913506321c53521ba533c118f0267cb0fa6ffb0880ef7020802f91116c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f33913506321c53521ba533c118f0267cb0fa6ffb0880ef7020802f91116c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f33913506321c53521ba533c118f0267cb0fa6ffb0880ef7020802f91116c9f", kill_on_drop: false }`
[INFO] [stdout] 7f33913506321c53521ba533c118f0267cb0fa6ffb0880ef7020802f91116c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf791ae6d6dc01ce74737d45759d36900a1170a7aff7ae9c5df8e2a779beeeaa
[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" "cf791ae6d6dc01ce74737d45759d36900a1170a7aff7ae9c5df8e2a779beeeaa", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking rustc_lexer v0.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking antlr-rust v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/antlr-rust-0.1.4/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(raw)]
[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 `antlr-rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cf791ae6d6dc01ce74737d45759d36900a1170a7aff7ae9c5df8e2a779beeeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf791ae6d6dc01ce74737d45759d36900a1170a7aff7ae9c5df8e2a779beeeaa", kill_on_drop: false }`
[INFO] [stdout] cf791ae6d6dc01ce74737d45759d36900a1170a7aff7ae9c5df8e2a779beeeaa