[INFO] crate reservoir 0.2.0 is already in cache
[INFO] testing reservoir-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate reservoir 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reservoir 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reservoir 0.2.0
[INFO] finished tweaking crates.io crate reservoir 0.2.0
[INFO] tweaked toml for crates.io crate reservoir 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "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] cdeeec690a7d94c53c7ccbe91a44729cfcb47cf1ac3bc2d0e3786127bd15f9bf
[INFO] running `Command { std: "docker" "start" "-a" "cdeeec690a7d94c53c7ccbe91a44729cfcb47cf1ac3bc2d0e3786127bd15f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdeeec690a7d94c53c7ccbe91a44729cfcb47cf1ac3bc2d0e3786127bd15f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdeeec690a7d94c53c7ccbe91a44729cfcb47cf1ac3bc2d0e3786127bd15f9bf", kill_on_drop: false }`
[INFO] [stdout] cdeeec690a7d94c53c7ccbe91a44729cfcb47cf1ac3bc2d0e3786127bd15f9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f9aff1c7c75044ff6f6eb75ba371db528829c40770df9a5ccb52d0e2d3d678
[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" "e8f9aff1c7c75044ff6f6eb75ba371db528829c40770df9a5ccb52d0e2d3d678", kill_on_drop: false }`
[INFO] [stderr]    Compiling reservoir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e8f9aff1c7c75044ff6f6eb75ba371db528829c40770df9a5ccb52d0e2d3d678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f9aff1c7c75044ff6f6eb75ba371db528829c40770df9a5ccb52d0e2d3d678", kill_on_drop: false }`
[INFO] [stdout] e8f9aff1c7c75044ff6f6eb75ba371db528829c40770df9a5ccb52d0e2d3d678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4829cdfb1b8ca4e0d1503b50fad8c113d571810504688eec42c29b4e54073f3
[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" "e4829cdfb1b8ca4e0d1503b50fad8c113d571810504688eec42c29b4e54073f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling reservoir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e4829cdfb1b8ca4e0d1503b50fad8c113d571810504688eec42c29b4e54073f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4829cdfb1b8ca4e0d1503b50fad8c113d571810504688eec42c29b4e54073f3", kill_on_drop: false }`
[INFO] [stdout] e4829cdfb1b8ca4e0d1503b50fad8c113d571810504688eec42c29b4e54073f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b96da4efbc5b7168f9cb88d3a90cc18d9f90bcfce93327899b02d05f276bdcb
[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" "9b96da4efbc5b7168f9cb88d3a90cc18d9f90bcfce93327899b02d05f276bdcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reservoir-043b10ed1d25e273
[INFO] [stderr]    Doc-tests reservoir
[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 4 tests
[INFO] [stdout] test src/lib.rs - sample_into (line 65) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 16) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 34) ... ok
[INFO] [stdout] test src/lib.rs - sample_into (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b96da4efbc5b7168f9cb88d3a90cc18d9f90bcfce93327899b02d05f276bdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b96da4efbc5b7168f9cb88d3a90cc18d9f90bcfce93327899b02d05f276bdcb", kill_on_drop: false }`
[INFO] [stdout] 9b96da4efbc5b7168f9cb88d3a90cc18d9f90bcfce93327899b02d05f276bdcb