[INFO] fetching crate crater 0.1.0...
[INFO] testing crater-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate crater 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate crater 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crater 0.1.0
[INFO] finished tweaking crates.io crate crater 0.1.0
[INFO] tweaked toml for crates.io crate crater 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate crater 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42ffc155339b42fdcfea5d8c1c3ffdfdf76c324f981f9b53bde63c71d2a42a52
[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" "42ffc155339b42fdcfea5d8c1c3ffdfdf76c324f981f9b53bde63c71d2a42a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ffc155339b42fdcfea5d8c1c3ffdfdf76c324f981f9b53bde63c71d2a42a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ffc155339b42fdcfea5d8c1c3ffdfdf76c324f981f9b53bde63c71d2a42a52", kill_on_drop: false }`
[INFO] [stdout] 42ffc155339b42fdcfea5d8c1c3ffdfdf76c324f981f9b53bde63c71d2a42a52
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7a38a0ca493efe17dc78e48e5e2e88ce822c2572c7afb4dbc5cde368d872ef
[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" "ad7a38a0ca493efe17dc78e48e5e2e88ce822c2572c7afb4dbc5cde368d872ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ad7a38a0ca493efe17dc78e48e5e2e88ce822c2572c7afb4dbc5cde368d872ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7a38a0ca493efe17dc78e48e5e2e88ce822c2572c7afb4dbc5cde368d872ef", kill_on_drop: false }`
[INFO] [stdout] ad7a38a0ca493efe17dc78e48e5e2e88ce822c2572c7afb4dbc5cde368d872ef
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--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] 13902a2f86bc1cae7be990012c5ebf72a20369a474ce2af711e966483a60ac41
[INFO] running `Command { std: "docker" "start" "-a" "13902a2f86bc1cae7be990012c5ebf72a20369a474ce2af711e966483a60ac41", kill_on_drop: false }`
[INFO] [stderr]    Compiling crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "13902a2f86bc1cae7be990012c5ebf72a20369a474ce2af711e966483a60ac41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13902a2f86bc1cae7be990012c5ebf72a20369a474ce2af711e966483a60ac41", kill_on_drop: false }`
[INFO] [stdout] 13902a2f86bc1cae7be990012c5ebf72a20369a474ce2af711e966483a60ac41
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] e5240cdd307a1ec89ed5b65ab0897fd2e096f28087944cbf514e9828d9280155
[INFO] running `Command { std: "docker" "start" "-a" "e5240cdd307a1ec89ed5b65ab0897fd2e096f28087944cbf514e9828d9280155", 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/crater-ea38f2bc97ce141f
[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" "e5240cdd307a1ec89ed5b65ab0897fd2e096f28087944cbf514e9828d9280155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5240cdd307a1ec89ed5b65ab0897fd2e096f28087944cbf514e9828d9280155", kill_on_drop: false }`
[INFO] [stdout] e5240cdd307a1ec89ed5b65ab0897fd2e096f28087944cbf514e9828d9280155
