[INFO] fetching crate cip_rust 0.9.8...
[INFO] testing cip_rust-0.9.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cip_rust 0.9.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cip_rust 0.9.8 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 cip_rust 0.9.8
[INFO] finished tweaking crates.io crate cip_rust 0.9.8
[INFO] tweaked toml for crates.io crate cip_rust 0.9.8 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9def2eb38114778e6e8373a775518ec8852d056bf4837e953b12f300e91d3a6
[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" "d9def2eb38114778e6e8373a775518ec8852d056bf4837e953b12f300e91d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9def2eb38114778e6e8373a775518ec8852d056bf4837e953b12f300e91d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9def2eb38114778e6e8373a775518ec8852d056bf4837e953b12f300e91d3a6", kill_on_drop: false }`
[INFO] [stdout] d9def2eb38114778e6e8373a775518ec8852d056bf4837e953b12f300e91d3a6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 256e4989335d1186384a2ee3bb07cd995a23b86c2f7a5a3956634e7ed59fdc47
[INFO] running `Command { std: "docker" "start" "-a" "256e4989335d1186384a2ee3bb07cd995a23b86c2f7a5a3956634e7ed59fdc47", kill_on_drop: false }`
[INFO] [stderr]    Compiling cip_rust v0.9.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "256e4989335d1186384a2ee3bb07cd995a23b86c2f7a5a3956634e7ed59fdc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256e4989335d1186384a2ee3bb07cd995a23b86c2f7a5a3956634e7ed59fdc47", kill_on_drop: false }`
[INFO] [stdout] 256e4989335d1186384a2ee3bb07cd995a23b86c2f7a5a3956634e7ed59fdc47
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 3e537fae999bfc222a425a5c0ed6804c9914fb29e48cb26d3cc2dcc8ca67096e
[INFO] running `Command { std: "docker" "start" "-a" "3e537fae999bfc222a425a5c0ed6804c9914fb29e48cb26d3cc2dcc8ca67096e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cip_rust v0.9.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3e537fae999bfc222a425a5c0ed6804c9914fb29e48cb26d3cc2dcc8ca67096e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e537fae999bfc222a425a5c0ed6804c9914fb29e48cb26d3cc2dcc8ca67096e", kill_on_drop: false }`
[INFO] [stdout] 3e537fae999bfc222a425a5c0ed6804c9914fb29e48cb26d3cc2dcc8ca67096e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 221adc7f8bc2d14a848c1c263315b3bb6766a7e9b0ac3f5c003b728eae81ca2b
[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" "221adc7f8bc2d14a848c1c263315b3bb6766a7e9b0ac3f5c003b728eae81ca2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cip_rust-35f6b68aa3d1ec96
[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] [stderr]    Doc-tests cip_rust
[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" "221adc7f8bc2d14a848c1c263315b3bb6766a7e9b0ac3f5c003b728eae81ca2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221adc7f8bc2d14a848c1c263315b3bb6766a7e9b0ac3f5c003b728eae81ca2b", kill_on_drop: false }`
[INFO] [stdout] 221adc7f8bc2d14a848c1c263315b3bb6766a7e9b0ac3f5c003b728eae81ca2b