[INFO] fetching crate pietro-test-crate 0.3.0...
[INFO] testing pietro-test-crate-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pietro-test-crate 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pietro-test-crate 0.3.0 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 pietro-test-crate 0.3.0
[INFO] finished tweaking crates.io crate pietro-test-crate 0.3.0
[INFO] tweaked toml for crates.io crate pietro-test-crate 0.3.0 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] 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] [stdout] b21fb1c75c8dd13f68b645fa7429d0eb7ffa418eb30d319fbd4cca2022d5db49
[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" "b21fb1c75c8dd13f68b645fa7429d0eb7ffa418eb30d319fbd4cca2022d5db49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21fb1c75c8dd13f68b645fa7429d0eb7ffa418eb30d319fbd4cca2022d5db49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21fb1c75c8dd13f68b645fa7429d0eb7ffa418eb30d319fbd4cca2022d5db49", kill_on_drop: false }`
[INFO] [stdout] b21fb1c75c8dd13f68b645fa7429d0eb7ffa418eb30d319fbd4cca2022d5db49
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 692b9e2acac0deb54faa9939a68a0d52bc7ba8e514fc15a57675b34181bafa98
[INFO] running `Command { std: "docker" "start" "-a" "692b9e2acac0deb54faa9939a68a0d52bc7ba8e514fc15a57675b34181bafa98", kill_on_drop: false }`
[INFO] [stderr]    Compiling pietro-test-crate v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "692b9e2acac0deb54faa9939a68a0d52bc7ba8e514fc15a57675b34181bafa98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692b9e2acac0deb54faa9939a68a0d52bc7ba8e514fc15a57675b34181bafa98", kill_on_drop: false }`
[INFO] [stdout] 692b9e2acac0deb54faa9939a68a0d52bc7ba8e514fc15a57675b34181bafa98
[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] 9e5042c46450c21cd2b38c72d6e39a1602fa92c6698ddd11d982a2b774891ee8
[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" "9e5042c46450c21cd2b38c72d6e39a1602fa92c6698ddd11d982a2b774891ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pietro-test-crate v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "9e5042c46450c21cd2b38c72d6e39a1602fa92c6698ddd11d982a2b774891ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5042c46450c21cd2b38c72d6e39a1602fa92c6698ddd11d982a2b774891ee8", kill_on_drop: false }`
[INFO] [stdout] 9e5042c46450c21cd2b38c72d6e39a1602fa92c6698ddd11d982a2b774891ee8
[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] 61f2bcbebe36c53bd6318b249612c112e4e7d0fdc3ce79b40bd4e032a3f1c45a
[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" "61f2bcbebe36c53bd6318b249612c112e4e7d0fdc3ce79b40bd4e032a3f1c45a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/why_do_you_care-3e8ae1e6ff4c3e55
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests why_do_you_care
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61f2bcbebe36c53bd6318b249612c112e4e7d0fdc3ce79b40bd4e032a3f1c45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f2bcbebe36c53bd6318b249612c112e4e7d0fdc3ce79b40bd4e032a3f1c45a", kill_on_drop: false }`
[INFO] [stdout] 61f2bcbebe36c53bd6318b249612c112e4e7d0fdc3ce79b40bd4e032a3f1c45a