[INFO] cloning repository https://github.com/sunjay/lion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunjay/lion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97daa3de1a7e7714432c2a6d04b11a0ce35d4ec8
[INFO] checking sunjay/lion against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Flion" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunjay/lion on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunjay/lion
[INFO] finished tweaking git repo https://github.com/sunjay/lion
[INFO] tweaked toml for git repo https://github.com/sunjay/lion written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sunjay/lion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45bd8f24b640efdd17e883d6e029b9e128ebbc246f5e6ed6ce6ecec97b143ad9
[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" "45bd8f24b640efdd17e883d6e029b9e128ebbc246f5e6ed6ce6ecec97b143ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45bd8f24b640efdd17e883d6e029b9e128ebbc246f5e6ed6ce6ecec97b143ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bd8f24b640efdd17e883d6e029b9e128ebbc246f5e6ed6ce6ecec97b143ad9", kill_on_drop: false }`
[INFO] [stdout] 45bd8f24b640efdd17e883d6e029b9e128ebbc246f5e6ed6ce6ecec97b143ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62fab556150c2ef466ab1ecb5fc28fca1cf1329ed7a9c43a9f6b227015e976fc
[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" "62fab556150c2ef466ab1ecb5fc28fca1cf1329ed7a9c43a9f6b227015e976fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking nom_locate v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking mortal v0.2.0
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking lion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.78s
[INFO] running `Command { std: "docker" "inspect" "62fab556150c2ef466ab1ecb5fc28fca1cf1329ed7a9c43a9f6b227015e976fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fab556150c2ef466ab1ecb5fc28fca1cf1329ed7a9c43a9f6b227015e976fc", kill_on_drop: false }`
[INFO] [stdout] 62fab556150c2ef466ab1ecb5fc28fca1cf1329ed7a9c43a9f6b227015e976fc