[INFO] fetching crate block_allocator 0.2.2...
[INFO] testing block_allocator-0.2.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate block_allocator 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate block_allocator 0.2.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82facbe474f5cf28a8cd32fb6d67f5c93465a0929c0cf374efffbdbb26233d77
[INFO] running `Command { std: "docker" "start" "-a" "82facbe474f5cf28a8cd32fb6d67f5c93465a0929c0cf374efffbdbb26233d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82facbe474f5cf28a8cd32fb6d67f5c93465a0929c0cf374efffbdbb26233d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82facbe474f5cf28a8cd32fb6d67f5c93465a0929c0cf374efffbdbb26233d77", kill_on_drop: false }`
[INFO] [stdout] 82facbe474f5cf28a8cd32fb6d67f5c93465a0929c0cf374efffbdbb26233d77
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831f9d2aaf57420764fbfce2b74abdf348930ee4606f8ba50187889789d0eeab
[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" "831f9d2aaf57420764fbfce2b74abdf348930ee4606f8ba50187889789d0eeab", kill_on_drop: false }`
[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] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/block_allocator.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block_allocator.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "831f9d2aaf57420764fbfce2b74abdf348930ee4606f8ba50187889789d0eeab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831f9d2aaf57420764fbfce2b74abdf348930ee4606f8ba50187889789d0eeab", kill_on_drop: false }`
[INFO] [stdout] 831f9d2aaf57420764fbfce2b74abdf348930ee4606f8ba50187889789d0eeab
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6bce270f7c99e4f5a92c44ac68c7cd6b9c4b0cb463dc6e8c5a8e91e039417b0
[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" "b6bce270f7c99e4f5a92c44ac68c7cd6b9c4b0cb463dc6e8c5a8e91e039417b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_allocator v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/block_allocator.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block_allocator.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/block_allocator.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGE_SIZE : u32 = (1 << 12);
[INFO] [stdout]    |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block_allocator.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn cause(&self) -> Option<&Error> { 
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "b6bce270f7c99e4f5a92c44ac68c7cd6b9c4b0cb463dc6e8c5a8e91e039417b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bce270f7c99e4f5a92c44ac68c7cd6b9c4b0cb463dc6e8c5a8e91e039417b0", kill_on_drop: false }`
[INFO] [stdout] b6bce270f7c99e4f5a92c44ac68c7cd6b9c4b0cb463dc6e8c5a8e91e039417b0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 396e8eb4913852b4e42341a7587f14fb5fe8838fc6d122ced30f5be29da72757
[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" "396e8eb4913852b4e42341a7587f14fb5fe8838fc6d122ced30f5be29da72757", kill_on_drop: false }`
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_allocator-bcdcc4ecf4d9f6f9
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test block_allocator::tests::basic ... ok
[INFO] [stdout] test block_allocator::tests::basic_raw ... ok
[INFO] [stdout] test block_allocator::tests::speedtest_big ... ok
[INFO] [stdout] test block_allocator::tests::sizing ... 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::max_cap ... ok
[INFO] [stdout] test block_allocator::tests::max_cap_raw ... ok
[INFO] [stdout] test block_allocator::tests::sizing_raw ... ok
[INFO] [stdout] test block_allocator::tests::speedtest ... 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 ... ok
[INFO] [stdout] test block_allocator::tests::concurrency_raw ... 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] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/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] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[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 `Command { std: "docker" "inspect" "396e8eb4913852b4e42341a7587f14fb5fe8838fc6d122ced30f5be29da72757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396e8eb4913852b4e42341a7587f14fb5fe8838fc6d122ced30f5be29da72757", kill_on_drop: false }`
[INFO] [stdout] 396e8eb4913852b4e42341a7587f14fb5fe8838fc6d122ced30f5be29da72757