[INFO] fetching crate chargrid_test_grid 0.1.0...
[INFO] testing chargrid_test_grid-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate chargrid_test_grid 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chargrid_test_grid 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chargrid_test_grid 0.1.0
[INFO] finished tweaking crates.io crate chargrid_test_grid 0.1.0
[INFO] tweaked toml for crates.io crate chargrid_test_grid 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20365161c6abfc12fbb07c152f4b246af9842a4cdf8e490248c942c47860f75
[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" "c20365161c6abfc12fbb07c152f4b246af9842a4cdf8e490248c942c47860f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20365161c6abfc12fbb07c152f4b246af9842a4cdf8e490248c942c47860f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20365161c6abfc12fbb07c152f4b246af9842a4cdf8e490248c942c47860f75", kill_on_drop: false }`
[INFO] [stdout] c20365161c6abfc12fbb07c152f4b246af9842a4cdf8e490248c942c47860f75
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb047fce6bcbe21ff99a6a25550d6441fa8bd3fc8ef00faa2ae0ef5b44288a7
[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" "4bb047fce6bcbe21ff99a6a25550d6441fa8bd3fc8ef00faa2ae0ef5b44288a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling coord_2d v0.2.22
[INFO] [stderr]    Compiling rgb24 v0.2.7
[INFO] [stderr]    Compiling grid_2d v0.14.6
[INFO] [stderr]    Compiling chargrid_render v0.1.1
[INFO] [stderr]    Compiling chargrid_test_grid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "4bb047fce6bcbe21ff99a6a25550d6441fa8bd3fc8ef00faa2ae0ef5b44288a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb047fce6bcbe21ff99a6a25550d6441fa8bd3fc8ef00faa2ae0ef5b44288a7", kill_on_drop: false }`
[INFO] [stdout] 4bb047fce6bcbe21ff99a6a25550d6441fa8bd3fc8ef00faa2ae0ef5b44288a7
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 29e612a3c6f46d19ca15ea3684b9a1e8eedb40166de0712996b3315bebdfda45
[INFO] running `Command { std: "docker" "start" "-a" "29e612a3c6f46d19ca15ea3684b9a1e8eedb40166de0712996b3315bebdfda45", kill_on_drop: false }`
[INFO] [stderr]    Compiling chargrid_test_grid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "29e612a3c6f46d19ca15ea3684b9a1e8eedb40166de0712996b3315bebdfda45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e612a3c6f46d19ca15ea3684b9a1e8eedb40166de0712996b3315bebdfda45", kill_on_drop: false }`
[INFO] [stdout] 29e612a3c6f46d19ca15ea3684b9a1e8eedb40166de0712996b3315bebdfda45
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c3e0fd72546edaf284d0dc9691c8778399353949fb9539cc91e89ccf14729cd
[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" "7c3e0fd72546edaf284d0dc9691c8778399353949fb9539cc91e89ccf14729cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chargrid_test_grid-ddd06803c9e71a90
[INFO] [stderr]    Doc-tests chargrid_test_grid
[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] running `Command { std: "docker" "inspect" "7c3e0fd72546edaf284d0dc9691c8778399353949fb9539cc91e89ccf14729cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3e0fd72546edaf284d0dc9691c8778399353949fb9539cc91e89ccf14729cd", kill_on_drop: false }`
[INFO] [stdout] 7c3e0fd72546edaf284d0dc9691c8778399353949fb9539cc91e89ccf14729cd