[INFO] fetching crate damm 0.1.0...
[INFO] testing damm-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate damm 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate damm 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate damm 0.1.0
[INFO] finished tweaking crates.io crate damm 0.1.0
[INFO] tweaked toml for crates.io crate damm 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digits_iterator v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] aaa5183a0b836713507bf4f5130657332549d81d7ecc64f9dfc65c51160609ec
[INFO] running `Command { std: "docker" "start" "-a" "aaa5183a0b836713507bf4f5130657332549d81d7ecc64f9dfc65c51160609ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaa5183a0b836713507bf4f5130657332549d81d7ecc64f9dfc65c51160609ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa5183a0b836713507bf4f5130657332549d81d7ecc64f9dfc65c51160609ec", kill_on_drop: false }`
[INFO] [stdout] aaa5183a0b836713507bf4f5130657332549d81d7ecc64f9dfc65c51160609ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471060f5810a9de8eed041fb55b481aef26a6f953711873da6e08a89ac02d5f8
[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" "471060f5810a9de8eed041fb55b481aef26a6f953711873da6e08a89ac02d5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0
[INFO] [stderr]    Compiling damm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "471060f5810a9de8eed041fb55b481aef26a6f953711873da6e08a89ac02d5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471060f5810a9de8eed041fb55b481aef26a6f953711873da6e08a89ac02d5f8", kill_on_drop: false }`
[INFO] [stdout] 471060f5810a9de8eed041fb55b481aef26a6f953711873da6e08a89ac02d5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1aad3b925152a8d41bc0ca2620fbb58c60cef8c8350e6201a1d618a46e36a9
[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" "fa1aad3b925152a8d41bc0ca2620fbb58c60cef8c8350e6201a1d618a46e36a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling damm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "fa1aad3b925152a8d41bc0ca2620fbb58c60cef8c8350e6201a1d618a46e36a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1aad3b925152a8d41bc0ca2620fbb58c60cef8c8350e6201a1d618a46e36a9", kill_on_drop: false }`
[INFO] [stdout] fa1aad3b925152a8d41bc0ca2620fbb58c60cef8c8350e6201a1d618a46e36a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c3a9e93499ce438e33deefad36b69c42a3b994b3ec0ce2e3ad153f27d884e62
[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" "8c3a9e93499ce438e33deefad36b69c42a3b994b3ec0ce2e3ad153f27d884e62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/damm-3e90ee2a10f90588
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests damm
[INFO] [stdout] test tests::_8293 ... ok
[INFO] [stdout] test tests::_92837462917 ... ok
[INFO] [stdout] test tests::_572 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - id (line 68) ... ok
[INFO] [stdout] test src/lib.rs - verify (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c3a9e93499ce438e33deefad36b69c42a3b994b3ec0ce2e3ad153f27d884e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3a9e93499ce438e33deefad36b69c42a3b994b3ec0ce2e3ad153f27d884e62", kill_on_drop: false }`
[INFO] [stdout] 8c3a9e93499ce438e33deefad36b69c42a3b994b3ec0ce2e3ad153f27d884e62