[INFO] fetching crate stable_borrow 1.0.0...
[INFO] testing stable_borrow-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stable_borrow 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stable_borrow 1.0.0 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 stable_borrow 1.0.0
[INFO] finished tweaking crates.io crate stable_borrow 1.0.0
[INFO] tweaked toml for crates.io crate stable_borrow 1.0.0 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 153cdfb31e3095ef83376cdbf9e721b2e3afeb7d9a6acdb940fd5c7837ab1cc1
[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" "153cdfb31e3095ef83376cdbf9e721b2e3afeb7d9a6acdb940fd5c7837ab1cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153cdfb31e3095ef83376cdbf9e721b2e3afeb7d9a6acdb940fd5c7837ab1cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153cdfb31e3095ef83376cdbf9e721b2e3afeb7d9a6acdb940fd5c7837ab1cc1", kill_on_drop: false }`
[INFO] [stdout] 153cdfb31e3095ef83376cdbf9e721b2e3afeb7d9a6acdb940fd5c7837ab1cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 6101d45e4ca0626f1f744ba5988a62a149ab967c1da92593ca4a74f71f9ca340
[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" "6101d45e4ca0626f1f744ba5988a62a149ab967c1da92593ca4a74f71f9ca340", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_borrow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "6101d45e4ca0626f1f744ba5988a62a149ab967c1da92593ca4a74f71f9ca340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6101d45e4ca0626f1f744ba5988a62a149ab967c1da92593ca4a74f71f9ca340", kill_on_drop: false }`
[INFO] [stdout] 6101d45e4ca0626f1f744ba5988a62a149ab967c1da92593ca4a74f71f9ca340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d4a4ff603d5c6aaeb42f380e5d96448c2bcdb14def36325c4a0022a517a26bbd
[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" "d4a4ff603d5c6aaeb42f380e5d96448c2bcdb14def36325c4a0022a517a26bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_borrow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "d4a4ff603d5c6aaeb42f380e5d96448c2bcdb14def36325c4a0022a517a26bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a4ff603d5c6aaeb42f380e5d96448c2bcdb14def36325c4a0022a517a26bbd", kill_on_drop: false }`
[INFO] [stdout] d4a4ff603d5c6aaeb42f380e5d96448c2bcdb14def36325c4a0022a517a26bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9c7bc292bf3ca286a6dc29a59c17ba774bfe8ef8d550cfc0cb46bb9939927894
[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" "9c7bc292bf3ca286a6dc29a59c17ba774bfe8ef8d550cfc0cb46bb9939927894", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stable_borrow-2176dc4b0aaac633
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests stable_borrow
[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" "9c7bc292bf3ca286a6dc29a59c17ba774bfe8ef8d550cfc0cb46bb9939927894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7bc292bf3ca286a6dc29a59c17ba774bfe8ef8d550cfc0cb46bb9939927894", kill_on_drop: false }`
[INFO] [stdout] 9c7bc292bf3ca286a6dc29a59c17ba774bfe8ef8d550cfc0cb46bb9939927894