[INFO] fetching crate rand_core 0.6.3...
[INFO] testing rand_core-0.6.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rand_core 0.6.3 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate rand_core 0.6.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_core 0.6.3
[INFO] finished tweaking crates.io crate rand_core 0.6.3
[INFO] tweaked toml for crates.io crate rand_core 0.6.3 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 624ebd1291109354f87fe19bc1c7f81e5800960c2b0fd4c8c67226ca773c97d6
[INFO] running `Command { std: "docker" "start" "-a" "624ebd1291109354f87fe19bc1c7f81e5800960c2b0fd4c8c67226ca773c97d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "624ebd1291109354f87fe19bc1c7f81e5800960c2b0fd4c8c67226ca773c97d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624ebd1291109354f87fe19bc1c7f81e5800960c2b0fd4c8c67226ca773c97d6", kill_on_drop: false }`
[INFO] [stdout] 624ebd1291109354f87fe19bc1c7f81e5800960c2b0fd4c8c67226ca773c97d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 531f940aa80f295e7b9a03c93b7e8ccd45318847769aa65d10edb07bef217825
[INFO] running `Command { std: "docker" "start" "-a" "531f940aa80f295e7b9a03c93b7e8ccd45318847769aa65d10edb07bef217825", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "531f940aa80f295e7b9a03c93b7e8ccd45318847769aa65d10edb07bef217825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531f940aa80f295e7b9a03c93b7e8ccd45318847769aa65d10edb07bef217825", kill_on_drop: false }`
[INFO] [stdout] 531f940aa80f295e7b9a03c93b7e8ccd45318847769aa65d10edb07bef217825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb2a278941e56ad11623517093991065d79aa7aa0e1061a805702f114cbe8c3
[INFO] running `Command { std: "docker" "start" "-a" "fdb2a278941e56ad11623517093991065d79aa7aa0e1061a805702f114cbe8c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "fdb2a278941e56ad11623517093991065d79aa7aa0e1061a805702f114cbe8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb2a278941e56ad11623517093991065d79aa7aa0e1061a805702f114cbe8c3", kill_on_drop: false }`
[INFO] [stdout] fdb2a278941e56ad11623517093991065d79aa7aa0e1061a805702f114cbe8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 070e31b627c6467e9c0a1480f330e0ad217f6a73b3a5844bc70a6911e2cf82fe
[INFO] running `Command { std: "docker" "start" "-a" "070e31b627c6467e9c0a1480f330e0ad217f6a73b3a5844bc70a6911e2cf82fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_core-2df094afa0df3976)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test impls::test::test_fill_via_u64_chunks ... ok
[INFO] [stdout] test impls::test::test_fill_via_u32_chunks ... ok
[INFO] [stdout] test test::test_seed_from_u64 ... ok
[INFO] [stdout] test le::test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_core
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/impls.rs - impls::fill_via_u32_chunks (line 100) ... ignored
[INFO] [stdout] test src/block.rs - block (line 24) - compile ... ok
[INFO] [stdout] test src/lib.rs - RngCore (line 111) ... ok
[INFO] [stdout] test src/lib.rs - SeedableRng::Seed (line 236) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "070e31b627c6467e9c0a1480f330e0ad217f6a73b3a5844bc70a6911e2cf82fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070e31b627c6467e9c0a1480f330e0ad217f6a73b3a5844bc70a6911e2cf82fe", kill_on_drop: false }`
[INFO] [stdout] 070e31b627c6467e9c0a1480f330e0ad217f6a73b3a5844bc70a6911e2cf82fe