[INFO] crate waterfall 0.7.1 is already in cache
[INFO] testing waterfall-0.7.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate waterfall 0.7.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate waterfall 0.7.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waterfall 0.7.1
[INFO] finished tweaking crates.io crate waterfall 0.7.1
[INFO] tweaked toml for crates.io crate waterfall 0.7.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] e59654d5f6feb1586a5ae817e3ee698190cafc7659c1bd73e1ffba9066244f30
[INFO] running `Command { std: "docker" "start" "-a" "e59654d5f6feb1586a5ae817e3ee698190cafc7659c1bd73e1ffba9066244f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e59654d5f6feb1586a5ae817e3ee698190cafc7659c1bd73e1ffba9066244f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59654d5f6feb1586a5ae817e3ee698190cafc7659c1bd73e1ffba9066244f30", kill_on_drop: false }`
[INFO] [stdout] e59654d5f6feb1586a5ae817e3ee698190cafc7659c1bd73e1ffba9066244f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 6c829ef6e48eed51ce3ed7444ca9a53bb3b90bffa3e759cdcf61a3d728304717
[INFO] running `Command { std: "docker" "start" "-a" "6c829ef6e48eed51ce3ed7444ca9a53bb3b90bffa3e759cdcf61a3d728304717", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling heatmap v0.6.6
[INFO] [stderr]    Compiling rusttype v0.1.2
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling waterfall v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "6c829ef6e48eed51ce3ed7444ca9a53bb3b90bffa3e759cdcf61a3d728304717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c829ef6e48eed51ce3ed7444ca9a53bb3b90bffa3e759cdcf61a3d728304717", kill_on_drop: false }`
[INFO] [stdout] 6c829ef6e48eed51ce3ed7444ca9a53bb3b90bffa3e759cdcf61a3d728304717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c96bc107fb28624fb140f3c780e384edcb5df688f76e9965847edc5c3fa1ccd
[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" "2c96bc107fb28624fb140f3c780e384edcb5df688f76e9965847edc5c3fa1ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling waterfall v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2c96bc107fb28624fb140f3c780e384edcb5df688f76e9965847edc5c3fa1ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c96bc107fb28624fb140f3c780e384edcb5df688f76e9965847edc5c3fa1ccd", kill_on_drop: false }`
[INFO] [stdout] 2c96bc107fb28624fb140f3c780e384edcb5df688f76e9965847edc5c3fa1ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45d7f556b8b0b8eccbbbb78737cd8c2011d8721766185b5ac04fa67cc004c981
[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" "45d7f556b8b0b8eccbbbb78737cd8c2011d8721766185b5ac04fa67cc004c981", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/waterfall-9676fe34451e854a
[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 waterfall
[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" "45d7f556b8b0b8eccbbbb78737cd8c2011d8721766185b5ac04fa67cc004c981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d7f556b8b0b8eccbbbb78737cd8c2011d8721766185b5ac04fa67cc004c981", kill_on_drop: false }`
[INFO] [stdout] 45d7f556b8b0b8eccbbbb78737cd8c2011d8721766185b5ac04fa67cc004c981