[INFO] fetching crate snake 0.3.1...
[INFO] testing snake-0.3.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate snake 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snake 0.3.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate snake 0.3.1
[INFO] finished tweaking crates.io crate snake 0.3.1
[INFO] tweaked toml for crates.io crate snake 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate snake 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01ab68839f6ad69645cf09f7a6e54725fc40359c3c91aa74e4c600f5da5e57cc
[INFO] running `"docker" "start" "-a" "01ab68839f6ad69645cf09f7a6e54725fc40359c3c91aa74e4c600f5da5e57cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling snake v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `"docker" "inspect" "01ab68839f6ad69645cf09f7a6e54725fc40359c3c91aa74e4c600f5da5e57cc"`
[INFO] running `"docker" "rm" "-f" "01ab68839f6ad69645cf09f7a6e54725fc40359c3c91aa74e4c600f5da5e57cc"`
[INFO] [stdout] 01ab68839f6ad69645cf09f7a6e54725fc40359c3c91aa74e4c600f5da5e57cc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f18865b2700147ed4e10982139c90ada6352aac09384a6d29b0e8376d149a23
[INFO] running `"docker" "start" "-a" "2f18865b2700147ed4e10982139c90ada6352aac09384a6d29b0e8376d149a23"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling snake v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "2f18865b2700147ed4e10982139c90ada6352aac09384a6d29b0e8376d149a23"`
[INFO] running `"docker" "rm" "-f" "2f18865b2700147ed4e10982139c90ada6352aac09384a6d29b0e8376d149a23"`
[INFO] [stdout] 2f18865b2700147ed4e10982139c90ada6352aac09384a6d29b0e8376d149a23
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0590bd7377d39d171eddf439ebac5e4aa6509f83a10d6e248d18ab601f419d39
[INFO] running `"docker" "start" "-a" "0590bd7377d39d171eddf439ebac5e4aa6509f83a10d6e248d18ab601f419d39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake-38791e78f1e82660
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake-2fbbd89159d45574
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snake
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/core.rs - core::travel (line 16) ... ok
[INFO] [stdout] test src/core.rs - core::head_out_of_bounds (line 97) ... ok
[INFO] [stdout] test src/core.rs - core::head_touching_self (line 65) ... ok
[INFO] [stdout] test src/core.rs - core::head_touching_object (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0590bd7377d39d171eddf439ebac5e4aa6509f83a10d6e248d18ab601f419d39"`
[INFO] running `"docker" "rm" "-f" "0590bd7377d39d171eddf439ebac5e4aa6509f83a10d6e248d18ab601f419d39"`
[INFO] [stdout] 0590bd7377d39d171eddf439ebac5e4aa6509f83a10d6e248d18ab601f419d39