[INFO] fetching crate count_cache 0.1.1...
[INFO] testing count_cache-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate count_cache 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate count_cache 0.1.1 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 count_cache 0.1.1
[INFO] finished tweaking crates.io crate count_cache 0.1.1
[INFO] tweaked toml for crates.io crate count_cache 0.1.1 written to /workspace/builds/worker-4/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-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" "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] 8f6de795b01000ecff652a72c589954cb17d376a2e3ead8a255822e50afc4b2e
[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" "8f6de795b01000ecff652a72c589954cb17d376a2e3ead8a255822e50afc4b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f6de795b01000ecff652a72c589954cb17d376a2e3ead8a255822e50afc4b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6de795b01000ecff652a72c589954cb17d376a2e3ead8a255822e50afc4b2e", kill_on_drop: false }`
[INFO] [stdout] 8f6de795b01000ecff652a72c589954cb17d376a2e3ead8a255822e50afc4b2e
[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" "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] 7c621915e84c5badc50f35ee8100c2d13b0b19664827bee6720cc05ac89090fa
[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" "7c621915e84c5badc50f35ee8100c2d13b0b19664827bee6720cc05ac89090fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling count_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7c621915e84c5badc50f35ee8100c2d13b0b19664827bee6720cc05ac89090fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c621915e84c5badc50f35ee8100c2d13b0b19664827bee6720cc05ac89090fa", kill_on_drop: false }`
[INFO] [stdout] 7c621915e84c5badc50f35ee8100c2d13b0b19664827bee6720cc05ac89090fa
[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" "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] 49276e7790c6bf116fc4fcceb563830ee88f70764ecc89fbd2f9ac7eca7a302b
[INFO] running `Command { std: "docker" "start" "-a" "49276e7790c6bf116fc4fcceb563830ee88f70764ecc89fbd2f9ac7eca7a302b", kill_on_drop: false }`
[INFO] [stderr]    Compiling count_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "49276e7790c6bf116fc4fcceb563830ee88f70764ecc89fbd2f9ac7eca7a302b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49276e7790c6bf116fc4fcceb563830ee88f70764ecc89fbd2f9ac7eca7a302b", kill_on_drop: false }`
[INFO] [stdout] 49276e7790c6bf116fc4fcceb563830ee88f70764ecc89fbd2f9ac7eca7a302b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa61bbe68814c682319bb6b583eb812c48a5c26eaf5b3c79288535fa7408bc39
[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" "aa61bbe68814c682319bb6b583eb812c48a5c26eaf5b3c79288535fa7408bc39", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/count_cache-b4d414c32ccdcc2c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests count_cache
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_increment_and_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa61bbe68814c682319bb6b583eb812c48a5c26eaf5b3c79288535fa7408bc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa61bbe68814c682319bb6b583eb812c48a5c26eaf5b3c79288535fa7408bc39", kill_on_drop: false }`
[INFO] [stdout] aa61bbe68814c682319bb6b583eb812c48a5c26eaf5b3c79288535fa7408bc39