[INFO] fetching crate multicache 0.6.1...
[INFO] testing multicache-0.6.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate multicache 0.6.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate multicache 0.6.1 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 multicache 0.6.1
[INFO] finished tweaking crates.io crate multicache 0.6.1
[INFO] tweaked toml for crates.io crate multicache 0.6.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 96e71fe89806892a2e1b667d4f51f9a29ab94d6ef8d75663f51d93abc5c6d80a
[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" "96e71fe89806892a2e1b667d4f51f9a29ab94d6ef8d75663f51d93abc5c6d80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e71fe89806892a2e1b667d4f51f9a29ab94d6ef8d75663f51d93abc5c6d80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e71fe89806892a2e1b667d4f51f9a29ab94d6ef8d75663f51d93abc5c6d80a", kill_on_drop: false }`
[INFO] [stdout] 96e71fe89806892a2e1b667d4f51f9a29ab94d6ef8d75663f51d93abc5c6d80a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a87a63c013f1260e673a9b2aad6a81a129ee1c368cf425acf7c89b93c3577964
[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" "a87a63c013f1260e673a9b2aad6a81a129ee1c368cf425acf7c89b93c3577964", kill_on_drop: false }`
[INFO] [stderr]    Compiling multicache v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "a87a63c013f1260e673a9b2aad6a81a129ee1c368cf425acf7c89b93c3577964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87a63c013f1260e673a9b2aad6a81a129ee1c368cf425acf7c89b93c3577964", kill_on_drop: false }`
[INFO] [stdout] a87a63c013f1260e673a9b2aad6a81a129ee1c368cf425acf7c89b93c3577964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 7ae99a3210ed8fe753daedb0716c74572a5d28986916c849a87c6083204b559e
[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" "7ae99a3210ed8fe753daedb0716c74572a5d28986916c849a87c6083204b559e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multicache v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7ae99a3210ed8fe753daedb0716c74572a5d28986916c849a87c6083204b559e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae99a3210ed8fe753daedb0716c74572a5d28986916c849a87c6083204b559e", kill_on_drop: false }`
[INFO] [stdout] 7ae99a3210ed8fe753daedb0716c74572a5d28986916c849a87c6083204b559e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dba1f6b2fd60b26905e1e3d35a6ac92e45a1ec7931b9c66cf54668d2fe18eb23
[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" "dba1f6b2fd60b26905e1e3d35a6ac92e45a1ec7931b9c66cf54668d2fe18eb23", 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/multicache-0054c011356a89a5
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests multicache
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::puts ... ok
[INFO] [stdout] test tests::evicts ... ok
[INFO] [stdout] test tests::removes ... ok
[INFO] [stdout] test tests::evicts_no_repeats ... ok
[INFO] [stdout] test tests::get_refreshes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... 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" "dba1f6b2fd60b26905e1e3d35a6ac92e45a1ec7931b9c66cf54668d2fe18eb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba1f6b2fd60b26905e1e3d35a6ac92e45a1ec7931b9c66cf54668d2fe18eb23", kill_on_drop: false }`
[INFO] [stdout] dba1f6b2fd60b26905e1e3d35a6ac92e45a1ec7931b9c66cf54668d2fe18eb23