[INFO] updating cached repository https://github.com/rrichardson/block_alloc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9703709bc0e5392472a86d47ec34ecd54f993482
[INFO] testing rrichardson/block_alloc against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrichardson%2Fblock_alloc" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rrichardson/block_alloc on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rrichardson/block_alloc
[INFO] finished tweaking git repo https://github.com/rrichardson/block_alloc
[INFO] tweaked toml for git repo https://github.com/rrichardson/block_alloc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rrichardson/block_alloc already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 25a9e615a54024d31b9491a671af6f64a2defda019f06705fd06851a77bc59ac
[INFO] running `"docker" "start" "-a" "25a9e615a54024d31b9491a671af6f64a2defda019f06705fd06851a77bc59ac"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling memmap v0.6.0
[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 2.30s
[INFO] running `"docker" "inspect" "25a9e615a54024d31b9491a671af6f64a2defda019f06705fd06851a77bc59ac"`
[INFO] running `"docker" "rm" "-f" "25a9e615a54024d31b9491a671af6f64a2defda019f06705fd06851a77bc59ac"`
[INFO] [stdout] 25a9e615a54024d31b9491a671af6f64a2defda019f06705fd06851a77bc59ac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d002fb1c8cd277e3f85bd7cd633429306fa769493f82057deeed3676027852a7
[INFO] running `"docker" "start" "-a" "d002fb1c8cd277e3f85bd7cd633429306fa769493f82057deeed3676027852a7"`
[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 1.65s
[INFO] running `"docker" "inspect" "d002fb1c8cd277e3f85bd7cd633429306fa769493f82057deeed3676027852a7"`
[INFO] running `"docker" "rm" "-f" "d002fb1c8cd277e3f85bd7cd633429306fa769493f82057deeed3676027852a7"`
[INFO] [stdout] d002fb1c8cd277e3f85bd7cd633429306fa769493f82057deeed3676027852a7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3ccf3d0a0e88c2508c39bbbda322e368d2dfb2bed54de410ba557c81af59c358
[INFO] running `"docker" "start" "-a" "3ccf3d0a0e88c2508c39bbbda322e368d2dfb2bed54de410ba557c81af59c358"`
[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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_allocator-b0f6ff85596eaae3
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[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::basic_raw ... ok
[INFO] [stdout] test block_allocator::tests::sizing ... ok
[INFO] [stdout] test block_allocator::tests::sizing_raw ... ok
[INFO] [stdout] test block_allocator::tests::speedtest ... ok
[INFO] [stdout] test block_allocator::tests::up_down ... 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::concurrent_speed ... ok
[INFO] [stdout] test block_allocator::tests::realbig ... 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" "3ccf3d0a0e88c2508c39bbbda322e368d2dfb2bed54de410ba557c81af59c358"`
[INFO] running `"docker" "rm" "-f" "3ccf3d0a0e88c2508c39bbbda322e368d2dfb2bed54de410ba557c81af59c358"`
[INFO] [stdout] 3ccf3d0a0e88c2508c39bbbda322e368d2dfb2bed54de410ba557c81af59c358