[INFO] fetching crate olympia_engine 0.3.0...
[INFO] checking olympia_engine-0.3.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate olympia_engine 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate olympia_engine 0.3.0 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 crates.io crate olympia_engine 0.3.0
[INFO] finished tweaking crates.io crate olympia_engine 0.3.0
[INFO] tweaked toml for crates.io crate olympia_engine 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c288ebef60bfcbca40402f675d4ad2d4c267672ec14763b7b74f1da86bfab027
[INFO] running `Command { std: "docker" "start" "-a" "c288ebef60bfcbca40402f675d4ad2d4c267672ec14763b7b74f1da86bfab027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c288ebef60bfcbca40402f675d4ad2d4c267672ec14763b7b74f1da86bfab027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c288ebef60bfcbca40402f675d4ad2d4c267672ec14763b7b74f1da86bfab027", kill_on_drop: false }`
[INFO] [stdout] c288ebef60bfcbca40402f675d4ad2d4c267672ec14763b7b74f1da86bfab027
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8498211e6c5bd044dee2e18f255dba0657160f2180d253554db8b3ad66bb7edc
[INFO] running `Command { std: "docker" "start" "-a" "8498211e6c5bd044dee2e18f255dba0657160f2180d253554db8b3ad66bb7edc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling olympia_core v0.3.0
[INFO] [stderr]    Compiling olympia_derive v0.3.0
[INFO] [stderr]     Checking olympia_engine v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.64s
[INFO] running `Command { std: "docker" "inspect" "8498211e6c5bd044dee2e18f255dba0657160f2180d253554db8b3ad66bb7edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8498211e6c5bd044dee2e18f255dba0657160f2180d253554db8b3ad66bb7edc", kill_on_drop: false }`
[INFO] [stdout] 8498211e6c5bd044dee2e18f255dba0657160f2180d253554db8b3ad66bb7edc