[INFO] fetching crate sokoban-rs 1.2.2...
[INFO] checking sokoban-rs-1.2.2 against beta for pr-78714
[INFO] extracting crate sokoban-rs 1.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sokoban-rs 1.2.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sokoban-rs 1.2.2
[INFO] finished tweaking crates.io crate sokoban-rs 1.2.2
[INFO] tweaked toml for crates.io crate sokoban-rs 1.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate sokoban-rs 1.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9ecb8923fbaedc2d018c228eb364745f878d94c922f431f8a412af6e652f719
[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" "d9ecb8923fbaedc2d018c228eb364745f878d94c922f431f8a412af6e652f719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ecb8923fbaedc2d018c228eb364745f878d94c922f431f8a412af6e652f719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ecb8923fbaedc2d018c228eb364745f878d94c922f431f8a412af6e652f719", kill_on_drop: false }`
[INFO] [stdout] d9ecb8923fbaedc2d018c228eb364745f878d94c922f431f8a412af6e652f719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3e3a870a4639feeaef01862715a50812f5a120cf4a9f9e470b99b587e2d9650
[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" "a3e3a870a4639feeaef01862715a50812f5a120cf4a9f9e470b99b587e2d9650", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sokoban-rs v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "a3e3a870a4639feeaef01862715a50812f5a120cf4a9f9e470b99b587e2d9650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e3a870a4639feeaef01862715a50812f5a120cf4a9f9e470b99b587e2d9650", kill_on_drop: false }`
[INFO] [stdout] a3e3a870a4639feeaef01862715a50812f5a120cf4a9f9e470b99b587e2d9650