[INFO] fetching crate grenad 0.4.1...
[INFO] testing grenad-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate grenad 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grenad 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grenad 0.4.1
[INFO] finished tweaking crates.io crate grenad 0.4.1
[INFO] tweaked toml for crates.io crate grenad 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107dd35ef1b538d0f6c10257afd8d669b9e0cd7a7bb18db25a584d3d87ba3008
[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" "107dd35ef1b538d0f6c10257afd8d669b9e0cd7a7bb18db25a584d3d87ba3008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107dd35ef1b538d0f6c10257afd8d669b9e0cd7a7bb18db25a584d3d87ba3008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107dd35ef1b538d0f6c10257afd8d669b9e0cd7a7bb18db25a584d3d87ba3008", kill_on_drop: false }`
[INFO] [stdout] 107dd35ef1b538d0f6c10257afd8d669b9e0cd7a7bb18db25a584d3d87ba3008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2966aee6df7749848e0b253c4b290c52cb90145487ebadcc4c70a864b4bd7cc
[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" "d2966aee6df7749848e0b253c4b290c52cb90145487ebadcc4c70a864b4bd7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling grenad v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "d2966aee6df7749848e0b253c4b290c52cb90145487ebadcc4c70a864b4bd7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2966aee6df7749848e0b253c4b290c52cb90145487ebadcc4c70a864b4bd7cc", kill_on_drop: false }`
[INFO] [stdout] d2966aee6df7749848e0b253c4b290c52cb90145487ebadcc4c70a864b4bd7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad956c886e3fcf49ae0e7ed1da72ae49cc7915595f24df9df7fd6b498d5f1994
[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" "ad956c886e3fcf49ae0e7ed1da72ae49cc7915595f24df9df7fd6b498d5f1994", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling grenad v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.41s
[INFO] running `Command { std: "docker" "inspect" "ad956c886e3fcf49ae0e7ed1da72ae49cc7915595f24df9df7fd6b498d5f1994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad956c886e3fcf49ae0e7ed1da72ae49cc7915595f24df9df7fd6b498d5f1994", kill_on_drop: false }`
[INFO] [stdout] ad956c886e3fcf49ae0e7ed1da72ae49cc7915595f24df9df7fd6b498d5f1994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 717db9fb6431e089e86d41bad08c311f74726be63bc48cc165085fac0d36236b
[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" "717db9fb6431e089e86d41bad08c311f74726be63bc48cc165085fac0d36236b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 24 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grenad-91684a3b610df514)
[INFO] [stdout] test metadata::tests::simple ... ok
[INFO] [stdout] test reader::prefix_iter::tests::prefix_iter_with_byte_255 ... ok
[INFO] [stdout] test reader::prefix_iter::tests::simple_advance_key ... ok
[INFO] [stdout] test reader::prefix_iter::tests::rev_prefix_iter_with_byte_255 ... ok
[INFO] [stdout] test reader::reader_cursor::tests::empty ... ok
[INFO] [stdout] test block::tests::easy_iter ... ok
[INFO] [stdout] test sorter::tests::simple_cursorvec ... ok
[INFO] [stdout] test block_writer::tests::easy_block ... ok
[INFO] [stdout] test block::tests::small_iter ... ok
[INFO] [stdout] test sorter::tests::hard_cursorvec ... ok
[INFO] [stdout] test reader::reader_cursor::tests::no_compression ... ok
[INFO] [stdout] test varint::tests::qc_codec_u32 ... ok
[INFO] [stdout] test block::tests::simple ... ok
[INFO] [stdout] test block::tests::easy_move_on_key_lower_than_or_equal ... ok
[INFO] [stdout] test reader::reader_cursor::tests::snappy_compression ... ok
[INFO] [stdout] test writer::tests::no_compression ... ok
[INFO] [stdout] test writer::tests::snappy_compression ... ok
[INFO] [stdout] test block::tests::easy_move_on_key_greater_than_or_equal ... ok
[INFO] [stdout] test block::tests::easy_rev_iter ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_lower_than_or_equal ... ok
[INFO] [stdout] test reader::reader_cursor::tests::easy_move_on_key_greater_than_or_equal ... ok
[INFO] [stdout] test reader::range_iter::tests::range_iter ... ok
[INFO] [stdout] test reader::prefix_iter::tests::simple_prefix ... ok
[INFO] [stderr]    Doc-tests grenad
[INFO] [stdout] test reader::range_iter::tests::rev_range_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 47.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "717db9fb6431e089e86d41bad08c311f74726be63bc48cc165085fac0d36236b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717db9fb6431e089e86d41bad08c311f74726be63bc48cc165085fac0d36236b", kill_on_drop: false }`
[INFO] [stdout] 717db9fb6431e089e86d41bad08c311f74726be63bc48cc165085fac0d36236b