[INFO] crate round 0.1.0 is already in cache
[INFO] testing round-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate round 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate round 0.1.0 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 round 0.1.0
[INFO] finished tweaking crates.io crate round 0.1.0
[INFO] tweaked toml for crates.io crate round 0.1.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 44303f7b884c07ec908475c8fbe614fbccc153aa2c48101b87ea5e1f76bca4f1
[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" "44303f7b884c07ec908475c8fbe614fbccc153aa2c48101b87ea5e1f76bca4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44303f7b884c07ec908475c8fbe614fbccc153aa2c48101b87ea5e1f76bca4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44303f7b884c07ec908475c8fbe614fbccc153aa2c48101b87ea5e1f76bca4f1", kill_on_drop: false }`
[INFO] [stdout] 44303f7b884c07ec908475c8fbe614fbccc153aa2c48101b87ea5e1f76bca4f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c390eaced616befac366b65f6995a6297084d5b156b8464872a3582c54a30e3a
[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" "c390eaced616befac366b65f6995a6297084d5b156b8464872a3582c54a30e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling round v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c390eaced616befac366b65f6995a6297084d5b156b8464872a3582c54a30e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c390eaced616befac366b65f6995a6297084d5b156b8464872a3582c54a30e3a", kill_on_drop: false }`
[INFO] [stdout] c390eaced616befac366b65f6995a6297084d5b156b8464872a3582c54a30e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f5707af3eb62eb5a6e3fa460598abc5295e6420aab30242ee479cfde9c6113f1
[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" "f5707af3eb62eb5a6e3fa460598abc5295e6420aab30242ee479cfde9c6113f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling round v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "f5707af3eb62eb5a6e3fa460598abc5295e6420aab30242ee479cfde9c6113f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5707af3eb62eb5a6e3fa460598abc5295e6420aab30242ee479cfde9c6113f1", kill_on_drop: false }`
[INFO] [stdout] f5707af3eb62eb5a6e3fa460598abc5295e6420aab30242ee479cfde9c6113f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a7150ff42bde09c74d5990a9394645e0042792ae878b5abd8860c6a03c28fbd5
[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" "a7150ff42bde09c74d5990a9394645e0042792ae878b5abd8860c6a03c28fbd5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/round-cf3636fbc798131a
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_default_round_down ... ok
[INFO] [stdout] test test_default_round_up ... ok
[INFO] [stdout] test test_default_rounding ... ok
[INFO] [stdout] test test_round_by2 ... ok
[INFO] [stdout] test test_round_by3 ... ok
[INFO] [stdout] test test_round_down_by2 ... ok
[INFO] [stdout] test test_round_down_by3 ... ok
[INFO] [stdout] test test_round_up_by2 ... ok
[INFO] [stdout] test test_round_up_by3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests round
[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" "a7150ff42bde09c74d5990a9394645e0042792ae878b5abd8860c6a03c28fbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7150ff42bde09c74d5990a9394645e0042792ae878b5abd8860c6a03c28fbd5", kill_on_drop: false }`
[INFO] [stdout] a7150ff42bde09c74d5990a9394645e0042792ae878b5abd8860c6a03c28fbd5