[INFO] fetching crate mapr 0.8.0...
[INFO] testing mapr-0.8.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate mapr 0.8.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate mapr 0.8.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-94/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 951b2aed359aa61724616b29e450eca418a5458b3050d748d98018d10cfabd22
[INFO] running `Command { std: "docker" "start" "-a" "951b2aed359aa61724616b29e450eca418a5458b3050d748d98018d10cfabd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "951b2aed359aa61724616b29e450eca418a5458b3050d748d98018d10cfabd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951b2aed359aa61724616b29e450eca418a5458b3050d748d98018d10cfabd22", kill_on_drop: false }`
[INFO] [stdout] 951b2aed359aa61724616b29e450eca418a5458b3050d748d98018d10cfabd22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d933b19ba86e6bc573ce12343352b50b96d4783b234176fe2f1dc5f2e02ab7a7
[INFO] running `Command { std: "docker" "start" "-a" "d933b19ba86e6bc573ce12343352b50b96d4783b234176fe2f1dc5f2e02ab7a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling mapr v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "d933b19ba86e6bc573ce12343352b50b96d4783b234176fe2f1dc5f2e02ab7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d933b19ba86e6bc573ce12343352b50b96d4783b234176fe2f1dc5f2e02ab7a7", kill_on_drop: false }`
[INFO] [stdout] d933b19ba86e6bc573ce12343352b50b96d4783b234176fe2f1dc5f2e02ab7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb08f466c510b63f0d023e891d6f8d0a8e7d17de6cd5d6951124c022dd95ecfe
[INFO] running `Command { std: "docker" "start" "-a" "cb08f466c510b63f0d023e891d6f8d0a8e7d17de6cd5d6951124c022dd95ecfe", 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 1.56s
[INFO] running `Command { std: "docker" "inspect" "cb08f466c510b63f0d023e891d6f8d0a8e7d17de6cd5d6951124c022dd95ecfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb08f466c510b63f0d023e891d6f8d0a8e7d17de6cd5d6951124c022dd95ecfe", kill_on_drop: false }`
[INFO] [stdout] cb08f466c510b63f0d023e891d6f8d0a8e7d17de6cd5d6951124c022dd95ecfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3a6b36fda8130843bd225473b838f4b87a05ee9ecb397b15dda5a17b16f959c
[INFO] running `Command { std: "docker" "start" "-a" "f3a6b36fda8130843bd225473b838f4b87a05ee9ecb397b15dda5a17b16f959c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mapr-0430e92f46b02104)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stderr]    Doc-tests mapr
[INFO] [stdout] test test::mprotect_file ... 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] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map (line 194) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Mmap (line 332) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 154) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 113) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 633) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 364) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 85) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 514) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 237) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::make_mut (line 397) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::flush (line 560) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3a6b36fda8130843bd225473b838f4b87a05ee9ecb397b15dda5a17b16f959c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a6b36fda8130843bd225473b838f4b87a05ee9ecb397b15dda5a17b16f959c", kill_on_drop: false }`
[INFO] [stdout] f3a6b36fda8130843bd225473b838f4b87a05ee9ecb397b15dda5a17b16f959c