[INFO] crate block_allocator 0.2.2 is already in cache
[INFO] testing block_allocator-0.2.2 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate block_allocator 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate block_allocator 0.2.2 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate block_allocator 0.2.2
[INFO] finished tweaking crates.io crate block_allocator 0.2.2
[INFO] tweaked toml for crates.io crate block_allocator 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 6b26b04d6d71c4bf5f9fcc95e2587153611823782c2b24d56d6ec245007e1ba1
[INFO] running `"docker" "start" "-a" "6b26b04d6d71c4bf5f9fcc95e2587153611823782c2b24d56d6ec245007e1ba1"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling block_allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/block_allocator.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stderr]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `"docker" "inspect" "6b26b04d6d71c4bf5f9fcc95e2587153611823782c2b24d56d6ec245007e1ba1"`
[INFO] running `"docker" "rm" "-f" "6b26b04d6d71c4bf5f9fcc95e2587153611823782c2b24d56d6ec245007e1ba1"`
[INFO] [stdout] 6b26b04d6d71c4bf5f9fcc95e2587153611823782c2b24d56d6ec245007e1ba1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0014469572f016c00c57e437d7d3a2b36e790ea97a72d8ba2ad786453630639e
[INFO] running `"docker" "start" "-a" "0014469572f016c00c57e437d7d3a2b36e790ea97a72d8ba2ad786453630639e"`
[INFO] [stderr]    Compiling block_allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/block_allocator.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stderr]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/block_allocator.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stderr]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `"docker" "inspect" "0014469572f016c00c57e437d7d3a2b36e790ea97a72d8ba2ad786453630639e"`
[INFO] running `"docker" "rm" "-f" "0014469572f016c00c57e437d7d3a2b36e790ea97a72d8ba2ad786453630639e"`
[INFO] [stdout] 0014469572f016c00c57e437d7d3a2b36e790ea97a72d8ba2ad786453630639e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 6e4c32e536ca9dd320ce4cd70ae9d7bcf633062a7f852a130e2c85bc2291442c
[INFO] running `"docker" "start" "-a" "6e4c32e536ca9dd320ce4cd70ae9d7bcf633062a7f852a130e2c85bc2291442c"`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/block_allocator.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stderr]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/block_allocator.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stderr]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/block_allocator.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_allocator-143e23830a107746
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test block_allocator::tests::basic_raw ... ok
[INFO] [stdout] test block_allocator::tests::max_cap ... ok
[INFO] [stdout] test block_allocator::tests::max_cap_raw ... ok
[INFO] [stdout] test block_allocator::tests::basic ... ok
[INFO] [stdout] test block_allocator::tests::sizing_raw ... ok
[INFO] [stdout] test block_allocator::tests::sizing ... ok
[INFO] [stdout] test block_allocator::tests::speedtest ... ok
[INFO] [stdout] test block_allocator::tests::speedtest_big ... ok
[INFO] [stdout] test block_allocator::tests::up_down_raw ... ok
[INFO] [stdout] test block_allocator::tests::up_down ... ok
[INFO] [stdout] test block_allocator::tests::realbig ... ok
[INFO] [stdout] test block_allocator::tests::concurrent_speed ... ok
[INFO] [stdout] test block_allocator::tests::concurrency_raw ... ok
[INFO] [stdout] test block_allocator::tests::concurrency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests block_allocator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/block_allocator.rs - block_allocator::Allocator (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6e4c32e536ca9dd320ce4cd70ae9d7bcf633062a7f852a130e2c85bc2291442c"`
[INFO] running `"docker" "rm" "-f" "6e4c32e536ca9dd320ce4cd70ae9d7bcf633062a7f852a130e2c85bc2291442c"`
[INFO] [stdout] 6e4c32e536ca9dd320ce4cd70ae9d7bcf633062a7f852a130e2c85bc2291442c