[INFO] fetching crate hello-world-x-rust-x-library 0.1.2...
[INFO] testing hello-world-x-rust-x-library-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hello-world-x-rust-x-library 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hello-world-x-rust-x-library 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello-world-x-rust-x-library 0.1.2
[INFO] finished tweaking crates.io crate hello-world-x-rust-x-library 0.1.2
[INFO] tweaked toml for crates.io crate hello-world-x-rust-x-library 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d7bb8f70e3ec120724f185b2745080164b5d252ed86516889738a9a1cb302e
[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" "67d7bb8f70e3ec120724f185b2745080164b5d252ed86516889738a9a1cb302e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d7bb8f70e3ec120724f185b2745080164b5d252ed86516889738a9a1cb302e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d7bb8f70e3ec120724f185b2745080164b5d252ed86516889738a9a1cb302e", kill_on_drop: false }`
[INFO] [stdout] 67d7bb8f70e3ec120724f185b2745080164b5d252ed86516889738a9a1cb302e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86da5911d7f4fff98a5780f15fd881bc96d9709881d8915bbca1ee0b46a279e5
[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" "86da5911d7f4fff98a5780f15fd881bc96d9709881d8915bbca1ee0b46a279e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world-x-rust-x-library v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "86da5911d7f4fff98a5780f15fd881bc96d9709881d8915bbca1ee0b46a279e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86da5911d7f4fff98a5780f15fd881bc96d9709881d8915bbca1ee0b46a279e5", kill_on_drop: false }`
[INFO] [stdout] 86da5911d7f4fff98a5780f15fd881bc96d9709881d8915bbca1ee0b46a279e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "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] 7cdf5f6a117b792cc37855868c5f80022bcbb10787d7c8d6c2df635267d103ab
[INFO] running `Command { std: "docker" "start" "-a" "7cdf5f6a117b792cc37855868c5f80022bcbb10787d7c8d6c2df635267d103ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world-x-rust-x-library v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "7cdf5f6a117b792cc37855868c5f80022bcbb10787d7c8d6c2df635267d103ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdf5f6a117b792cc37855868c5f80022bcbb10787d7c8d6c2df635267d103ab", kill_on_drop: false }`
[INFO] [stdout] 7cdf5f6a117b792cc37855868c5f80022bcbb10787d7c8d6c2df635267d103ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 641058a02c6c6bf8674d2a64b3ea772f332765eacf80b6e7363acd30c1d8ba5d
[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" "641058a02c6c6bf8674d2a64b3ea772f332765eacf80b6e7363acd30c1d8ba5d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world_x_rust_x_library-f7c8f9cc01c17944
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello-world-x-rust-x-library
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - greet (line 17) ... ok
[INFO] [stdout] test src/lib.rs - greet (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "641058a02c6c6bf8674d2a64b3ea772f332765eacf80b6e7363acd30c1d8ba5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641058a02c6c6bf8674d2a64b3ea772f332765eacf80b6e7363acd30c1d8ba5d", kill_on_drop: false }`
[INFO] [stdout] 641058a02c6c6bf8674d2a64b3ea772f332765eacf80b6e7363acd30c1d8ba5d