[INFO] fetching crate mapr 0.8.0... [INFO] testing mapr-0.8.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate mapr 0.8.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate mapr 0.8.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mapr 0.8.0 [INFO] finished tweaking crates.io crate mapr 0.8.0 [INFO] tweaked toml for crates.io crate mapr 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate mapr 0.8.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce75bb8cf85fdd52c8ae7c0fb74d0255492d1abf79db009d308f658c9e0e3ffe [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" "ce75bb8cf85fdd52c8ae7c0fb74d0255492d1abf79db009d308f658c9e0e3ffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce75bb8cf85fdd52c8ae7c0fb74d0255492d1abf79db009d308f658c9e0e3ffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce75bb8cf85fdd52c8ae7c0fb74d0255492d1abf79db009d308f658c9e0e3ffe", kill_on_drop: false }` [INFO] [stdout] ce75bb8cf85fdd52c8ae7c0fb74d0255492d1abf79db009d308f658c9e0e3ffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 126843f8bbc357df14113c56755630a67b2c159b9a8be9a4b2d01d00da4ffc76 [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" "126843f8bbc357df14113c56755630a67b2c159b9a8be9a4b2d01d00da4ffc76", kill_on_drop: false }` [INFO] [stderr] Compiling mapr v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "126843f8bbc357df14113c56755630a67b2c159b9a8be9a4b2d01d00da4ffc76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "126843f8bbc357df14113c56755630a67b2c159b9a8be9a4b2d01d00da4ffc76", kill_on_drop: false }` [INFO] [stdout] 126843f8bbc357df14113c56755630a67b2c159b9a8be9a4b2d01d00da4ffc76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f8c54a72088684efd46a26a9be4b47c7fd20fd7935562f5a6aced0fc834b9eb [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" "5f8c54a72088684efd46a26a9be4b47c7fd20fd7935562f5a6aced0fc834b9eb", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling mapr v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:952:13 [INFO] [stdout] | [INFO] [stdout] 952 | &mmap[..]; [INFO] [stdout] | ^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 952 | let _ = &mmap[..]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.13s [INFO] running `Command { std: "docker" "inspect" "5f8c54a72088684efd46a26a9be4b47c7fd20fd7935562f5a6aced0fc834b9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f8c54a72088684efd46a26a9be4b47c7fd20fd7935562f5a6aced0fc834b9eb", kill_on_drop: false }` [INFO] [stdout] 5f8c54a72088684efd46a26a9be4b47c7fd20fd7935562f5a6aced0fc834b9eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a53a8ffe95bbcbcf82b9c817315291343ddd9d77c70ef88a54a59a82fa75eaf [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" "0a53a8ffe95bbcbcf82b9c817315291343ddd9d77c70ef88a54a59a82fa75eaf", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:952:13 [INFO] [stderr] | [INFO] [stderr] 952 | &mmap[..]; [INFO] [stderr] | ^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 952 | let _ = &mmap[..]; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `mapr` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mapr-b331de1b5a963831) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test test::mprotect_anon ... ok [INFO] [stdout] test test::mprotect_copy ... ok [INFO] [stdout] test test::map_anon ... ok [INFO] [stdout] test test::map_anon_zero_len ... ok [INFO] [stdout] test test::index ... ok [INFO] [stdout] test test::jit_x86_anon ... ok [INFO] [stdout] test test::sync_send ... ok [INFO] [stdout] test test::jit_x86_file ... ok [INFO] [stdout] test test::map_copy ... ok [INFO] [stdout] test test::map_file ... ok [INFO] [stdout] test test::map_offset ... ok [INFO] [stdout] test test::map_empty_file ... ok [INFO] [stdout] test test::mprotect_file ... ok [INFO] [stdout] test test::flush_range ... ok [INFO] [stdout] test test::file_write ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests mapr [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 275) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::new (line 55) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 154) ... ok [INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 633) ... ok [INFO] [stdout] test src/lib.rs - Mmap (line 332) ... ok [INFO] [stdout] test src/lib.rs - Mmap::make_mut (line 397) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::map (line 194) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 85) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 237) ... ok [INFO] [stdout] test src/lib.rs - MmapOptions::len (line 113) ... ok [INFO] [stdout] test src/lib.rs - Mmap::map (line 364) ... ok [INFO] [stdout] test src/lib.rs - MmapMut::flush (line 560) ... ok [INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 514) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.70s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0a53a8ffe95bbcbcf82b9c817315291343ddd9d77c70ef88a54a59a82fa75eaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a53a8ffe95bbcbcf82b9c817315291343ddd9d77c70ef88a54a59a82fa75eaf", kill_on_drop: false }` [INFO] [stdout] 0a53a8ffe95bbcbcf82b9c817315291343ddd9d77c70ef88a54a59a82fa75eaf