[INFO] fetching crate sokoban-rs 1.2.2...
[INFO] checking sokoban-rs-1.2.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[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 b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded num-iter v0.1.39
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] cab4cf976e7ef847a4cf007874f0ef130ecdf462b946b96994aab9c094c991bd
[INFO] running `Command { std: "docker" "start" "-a" "cab4cf976e7ef847a4cf007874f0ef130ecdf462b946b96994aab9c094c991bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab4cf976e7ef847a4cf007874f0ef130ecdf462b946b96994aab9c094c991bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab4cf976e7ef847a4cf007874f0ef130ecdf462b946b96994aab9c094c991bd", kill_on_drop: false }`
[INFO] [stdout] cab4cf976e7ef847a4cf007874f0ef130ecdf462b946b96994aab9c094c991bd
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1787e65fa065d0c41b56f8736c88572a4689434538c47b3e1dc617fe57716ee7
[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" "1787e65fa065d0c41b56f8736c88572a4689434538c47b3e1dc617fe57716ee7", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.39
[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 16.05s
[INFO] running `Command { std: "docker" "inspect" "1787e65fa065d0c41b56f8736c88572a4689434538c47b3e1dc617fe57716ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1787e65fa065d0c41b56f8736c88572a4689434538c47b3e1dc617fe57716ee7", kill_on_drop: false }`
[INFO] [stdout] 1787e65fa065d0c41b56f8736c88572a4689434538c47b3e1dc617fe57716ee7