[INFO] crate epsilon-identifiers 0.0.1 is already in cache
[INFO] testing epsilon-identifiers-0.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate epsilon-identifiers 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate epsilon-identifiers 0.0.1 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 epsilon-identifiers 0.0.1
[INFO] finished tweaking crates.io crate epsilon-identifiers 0.0.1
[INFO] tweaked toml for crates.io crate epsilon-identifiers 0.0.1 written to /workspace/builds/worker-4/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-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" "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] 1ca90f15ddbba670f54217a4bfbd4964efa2eff17492b4f6cd967965e971b8bc
[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" "1ca90f15ddbba670f54217a4bfbd4964efa2eff17492b4f6cd967965e971b8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca90f15ddbba670f54217a4bfbd4964efa2eff17492b4f6cd967965e971b8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca90f15ddbba670f54217a4bfbd4964efa2eff17492b4f6cd967965e971b8bc", kill_on_drop: false }`
[INFO] [stdout] 1ca90f15ddbba670f54217a4bfbd4964efa2eff17492b4f6cd967965e971b8bc
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a292b0edd13f015986b98e87eacf4abe485de3bb656740d5f18a404a332fed5
[INFO] running `Command { std: "docker" "start" "-a" "3a292b0edd13f015986b98e87eacf4abe485de3bb656740d5f18a404a332fed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-identifiers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3a292b0edd13f015986b98e87eacf4abe485de3bb656740d5f18a404a332fed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a292b0edd13f015986b98e87eacf4abe485de3bb656740d5f18a404a332fed5", kill_on_drop: false }`
[INFO] [stdout] 3a292b0edd13f015986b98e87eacf4abe485de3bb656740d5f18a404a332fed5
[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" "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] 7727b16bb21a7ee0c5b8b21038d39e47b3ad509d16c58c54d0808047e9049d42
[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" "7727b16bb21a7ee0c5b8b21038d39e47b3ad509d16c58c54d0808047e9049d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling epsilon-identifiers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "7727b16bb21a7ee0c5b8b21038d39e47b3ad509d16c58c54d0808047e9049d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7727b16bb21a7ee0c5b8b21038d39e47b3ad509d16c58c54d0808047e9049d42", kill_on_drop: false }`
[INFO] [stdout] 7727b16bb21a7ee0c5b8b21038d39e47b3ad509d16c58c54d0808047e9049d42
[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" "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] 12d6fd4f06b9d21f87ea66d0d7f394e00ed4a2bdc1646c4c1256f2dc4cd7e629
[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" "12d6fd4f06b9d21f87ea66d0d7f394e00ed4a2bdc1646c4c1256f2dc4cd7e629", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/epsilon_identifiers-c5e2f32ff0e374dd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests epsilon-identifiers
[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" "12d6fd4f06b9d21f87ea66d0d7f394e00ed4a2bdc1646c4c1256f2dc4cd7e629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d6fd4f06b9d21f87ea66d0d7f394e00ed4a2bdc1646c4c1256f2dc4cd7e629", kill_on_drop: false }`
[INFO] [stdout] 12d6fd4f06b9d21f87ea66d0d7f394e00ed4a2bdc1646c4c1256f2dc4cd7e629