[INFO] fetching crate rand_core 0.5.1...
[INFO] testing rand_core-0.5.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate rand_core 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rand_core 0.5.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_core 0.5.1
[INFO] finished tweaking crates.io crate rand_core 0.5.1
[INFO] tweaked toml for crates.io crate rand_core 0.5.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac17ab97580a08c957aa1f4492241abc0aff096c2bcdcbe5b61072ec7fa2c8bc
[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" "ac17ab97580a08c957aa1f4492241abc0aff096c2bcdcbe5b61072ec7fa2c8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac17ab97580a08c957aa1f4492241abc0aff096c2bcdcbe5b61072ec7fa2c8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac17ab97580a08c957aa1f4492241abc0aff096c2bcdcbe5b61072ec7fa2c8bc", kill_on_drop: false }`
[INFO] [stdout] ac17ab97580a08c957aa1f4492241abc0aff096c2bcdcbe5b61072ec7fa2c8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7501d0149fb7718dec085cf2f6b15eb60a7d70954853b1e6c0245e9d54399bba
[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" "7501d0149fb7718dec085cf2f6b15eb60a7d70954853b1e6c0245e9d54399bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7501d0149fb7718dec085cf2f6b15eb60a7d70954853b1e6c0245e9d54399bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7501d0149fb7718dec085cf2f6b15eb60a7d70954853b1e6c0245e9d54399bba", kill_on_drop: false }`
[INFO] [stdout] 7501d0149fb7718dec085cf2f6b15eb60a7d70954853b1e6c0245e9d54399bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f539e4bc6ab262ac7e1e9931c8db1008d38de8b6646112962fa3c226b0360e
[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" "26f539e4bc6ab262ac7e1e9931c8db1008d38de8b6646112962fa3c226b0360e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "26f539e4bc6ab262ac7e1e9931c8db1008d38de8b6646112962fa3c226b0360e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f539e4bc6ab262ac7e1e9931c8db1008d38de8b6646112962fa3c226b0360e", kill_on_drop: false }`
[INFO] [stdout] 26f539e4bc6ab262ac7e1e9931c8db1008d38de8b6646112962fa3c226b0360e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb4e370dc3b57c8a83d5782991abbcb567fb108ce84e3014c771a74fd3c36a0b
[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" "bb4e370dc3b57c8a83d5782991abbcb567fb108ce84e3014c771a74fd3c36a0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rand_core-427a573ca4df333a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test le::test_read ... ok
[INFO] [stdout] test test::test_seed_from_u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_core
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/block.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / //! The `BlockRngCore` trait and implementation helpers
[INFO] [stderr] 10 | | //!
[INFO] [stderr] 11 | | //! The [`BlockRngCore`] trait exists to assist in the implementation of RNGs
[INFO] [stderr] 12 | | //! which generate a block of data in a cache instead of returning generated
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | | //! [`BlockRngCore`]: crate::block::BlockRngCore
[INFO] [stderr] 51 | | //! [`fill_bytes`]: RngCore::fill_bytes
[INFO] [stderr]    | |_______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/impls.rs - impls::fill_via_u32_chunks (line 113) ... ignored
[INFO] [stdout] test src/lib.rs - RngCore (line 106) ... ok
[INFO] [stdout] test src/lib.rs - SeedableRng::Seed (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb4e370dc3b57c8a83d5782991abbcb567fb108ce84e3014c771a74fd3c36a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4e370dc3b57c8a83d5782991abbcb567fb108ce84e3014c771a74fd3c36a0b", kill_on_drop: false }`
[INFO] [stdout] bb4e370dc3b57c8a83d5782991abbcb567fb108ce84e3014c771a74fd3c36a0b