[INFO] crate ref_slice 1.2.0 is already in cache
[INFO] testing ref_slice-1.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate ref_slice 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ref_slice 1.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref_slice 1.2.0
[INFO] finished tweaking crates.io crate ref_slice 1.2.0
[INFO] tweaked toml for crates.io crate ref_slice 1.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72dacb7a25eb194923c2718efea53f803830c2988991e7ee46711f02d093b6e4
[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" "72dacb7a25eb194923c2718efea53f803830c2988991e7ee46711f02d093b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72dacb7a25eb194923c2718efea53f803830c2988991e7ee46711f02d093b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72dacb7a25eb194923c2718efea53f803830c2988991e7ee46711f02d093b6e4", kill_on_drop: false }`
[INFO] [stdout] 72dacb7a25eb194923c2718efea53f803830c2988991e7ee46711f02d093b6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b4f14ee7f0d51e0ec1416185a6d7f1bb9b01331ee091130276a53f5c9bd8ff2
[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" "0b4f14ee7f0d51e0ec1416185a6d7f1bb9b01331ee091130276a53f5c9bd8ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_slice v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "0b4f14ee7f0d51e0ec1416185a6d7f1bb9b01331ee091130276a53f5c9bd8ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4f14ee7f0d51e0ec1416185a6d7f1bb9b01331ee091130276a53f5c9bd8ff2", kill_on_drop: false }`
[INFO] [stdout] 0b4f14ee7f0d51e0ec1416185a6d7f1bb9b01331ee091130276a53f5c9bd8ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea116955e6e73b1898e6736f323b070dd18a9f7e63f5fc71e219a7eec966dc95
[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" "ea116955e6e73b1898e6736f323b070dd18a9f7e63f5fc71e219a7eec966dc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_slice v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "ea116955e6e73b1898e6736f323b070dd18a9f7e63f5fc71e219a7eec966dc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea116955e6e73b1898e6736f323b070dd18a9f7e63f5fc71e219a7eec966dc95", kill_on_drop: false }`
[INFO] [stdout] ea116955e6e73b1898e6736f323b070dd18a9f7e63f5fc71e219a7eec966dc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e446d4ad0337939ce5ec0257ef8c3496d43f5297cf520de4f70f5a3cd3ef491f
[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" "e446d4ad0337939ce5ec0257ef8c3496d43f5297cf520de4f70f5a3cd3ef491f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ref_slice-a7e0d801b81ebb04
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::check ... ok
[INFO] [stdout] test tests::check_opt_mut ... ok
[INFO] [stdout] test tests::check_mut ... ok
[INFO] [stderr]    Doc-tests ref_slice
[INFO] [stdout] test tests::check_opt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "e446d4ad0337939ce5ec0257ef8c3496d43f5297cf520de4f70f5a3cd3ef491f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e446d4ad0337939ce5ec0257ef8c3496d43f5297cf520de4f70f5a3cd3ef491f", kill_on_drop: false }`
[INFO] [stdout] e446d4ad0337939ce5ec0257ef8c3496d43f5297cf520de4f70f5a3cd3ef491f