[INFO] fetching crate test_dep_a 2.0.0...
[INFO] testing test_dep_a-2.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate test_dep_a 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate test_dep_a 2.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_dep_a 2.0.0
[INFO] finished tweaking crates.io crate test_dep_a 2.0.0
[INFO] tweaked toml for crates.io crate test_dep_a 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 1524e7fbfe9d3ea01f2b98f3b1359ca70f75bfcb78670baad19cbb762220f140
[INFO] running `Command { std: "docker" "start" "-a" "1524e7fbfe9d3ea01f2b98f3b1359ca70f75bfcb78670baad19cbb762220f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1524e7fbfe9d3ea01f2b98f3b1359ca70f75bfcb78670baad19cbb762220f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1524e7fbfe9d3ea01f2b98f3b1359ca70f75bfcb78670baad19cbb762220f140", kill_on_drop: false }`
[INFO] [stdout] 1524e7fbfe9d3ea01f2b98f3b1359ca70f75bfcb78670baad19cbb762220f140
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c5eb639580d27155ff329a64905cbcc262835a19b4f4fab1d01a8762bd7c83
[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" "a6c5eb639580d27155ff329a64905cbcc262835a19b4f4fab1d01a8762bd7c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_dep_a v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "a6c5eb639580d27155ff329a64905cbcc262835a19b4f4fab1d01a8762bd7c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c5eb639580d27155ff329a64905cbcc262835a19b4f4fab1d01a8762bd7c83", kill_on_drop: false }`
[INFO] [stdout] a6c5eb639580d27155ff329a64905cbcc262835a19b4f4fab1d01a8762bd7c83
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baba260f206c9fdf407a6f9820ea862bfdce9838bbc441f8a6b3c5d974313c48
[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" "baba260f206c9fdf407a6f9820ea862bfdce9838bbc441f8a6b3c5d974313c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_dep_a v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/test_dep_a-3960e78027c31d34)
[INFO] running `Command { std: "docker" "inspect" "baba260f206c9fdf407a6f9820ea862bfdce9838bbc441f8a6b3c5d974313c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baba260f206c9fdf407a6f9820ea862bfdce9838bbc441f8a6b3c5d974313c48", kill_on_drop: false }`
[INFO] [stdout] baba260f206c9fdf407a6f9820ea862bfdce9838bbc441f8a6b3c5d974313c48
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 095c9f19c4d21edd7355a17dfa6e953cfbdb5d55cd31ad5ba1272929f862cf7f
[INFO] running `Command { std: "docker" "start" "-a" "095c9f19c4d21edd7355a17dfa6e953cfbdb5d55cd31ad5ba1272929f862cf7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/test_dep_a-3960e78027c31d34)
[INFO] [stderr]    Doc-tests test_dep_a
[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] [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" "095c9f19c4d21edd7355a17dfa6e953cfbdb5d55cd31ad5ba1272929f862cf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095c9f19c4d21edd7355a17dfa6e953cfbdb5d55cd31ad5ba1272929f862cf7f", kill_on_drop: false }`
[INFO] [stdout] 095c9f19c4d21edd7355a17dfa6e953cfbdb5d55cd31ad5ba1272929f862cf7f