[INFO] crate elias-fano 1.1.0 is already in cache
[INFO] testing elias-fano-1.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate elias-fano 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate elias-fano 1.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate elias-fano 1.1.0
[INFO] finished tweaking crates.io crate elias-fano 1.1.0
[INFO] tweaked toml for crates.io crate elias-fano 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab22ebd03b48e0f35e74001bc8515ea2bd735c3259add54bd7894f99384fdf6f
[INFO] running `"docker" "start" "-a" "ab22ebd03b48e0f35e74001bc8515ea2bd735c3259add54bd7894f99384fdf6f"`
[INFO] [stderr]    Compiling elias-fano v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "ab22ebd03b48e0f35e74001bc8515ea2bd735c3259add54bd7894f99384fdf6f"`
[INFO] running `"docker" "rm" "-f" "ab22ebd03b48e0f35e74001bc8515ea2bd735c3259add54bd7894f99384fdf6f"`
[INFO] [stdout] ab22ebd03b48e0f35e74001bc8515ea2bd735c3259add54bd7894f99384fdf6f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd80ad7a72ebb8ec6a1c94c1776fae42bd5864607b509375ca09df9f687e2845
[INFO] running `"docker" "start" "-a" "dd80ad7a72ebb8ec6a1c94c1776fae42bd5864607b509375ca09df9f687e2845"`
[INFO] [stderr]    Compiling elias-fano v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/lib.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     ef.skip(500);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ef.skip(350);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "dd80ad7a72ebb8ec6a1c94c1776fae42bd5864607b509375ca09df9f687e2845"`
[INFO] running `"docker" "rm" "-f" "dd80ad7a72ebb8ec6a1c94c1776fae42bd5864607b509375ca09df9f687e2845"`
[INFO] [stdout] dd80ad7a72ebb8ec6a1c94c1776fae42bd5864607b509375ca09df9f687e2845
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59fc41d19d8485cede4071b5222ca6ae5efe31814e9acc9994ac326f588cbe4a
[INFO] running `"docker" "start" "-a" "59fc41d19d8485cede4071b5222ca6ae5efe31814e9acc9994ac326f588cbe4a"`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/lib.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     ef.skip(500);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ef.skip(350);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/elias_fano-7e6fde3a6c92f53b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test utils::tests::test_msb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-0cddc15dbc8e7c69
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_position ... ok
[INFO] [stdout] test test_membership ... ok
[INFO] [stdout] test test_generic ... ok
[INFO] [stdout] test test_reset ... ok
[INFO] [stdout] test test_skip ... ok
[INFO] [stdout] test test_move ... ok
[INFO] [stderr]    Doc-tests elias-fano
[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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "59fc41d19d8485cede4071b5222ca6ae5efe31814e9acc9994ac326f588cbe4a"`
[INFO] running `"docker" "rm" "-f" "59fc41d19d8485cede4071b5222ca6ae5efe31814e9acc9994ac326f588cbe4a"`
[INFO] [stdout] 59fc41d19d8485cede4071b5222ca6ae5efe31814e9acc9994ac326f588cbe4a