[INFO] fetching crate mapr 0.8.0...
[INFO] testing mapr-0.8.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mapr 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mapr 0.8.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] d6e88e73760d38b870e487911c69ef156f37a768dc5b5284362c37809e15174c
[INFO] running `Command { std: "docker" "start" "-a" "d6e88e73760d38b870e487911c69ef156f37a768dc5b5284362c37809e15174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e88e73760d38b870e487911c69ef156f37a768dc5b5284362c37809e15174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e88e73760d38b870e487911c69ef156f37a768dc5b5284362c37809e15174c", kill_on_drop: false }`
[INFO] [stdout] d6e88e73760d38b870e487911c69ef156f37a768dc5b5284362c37809e15174c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e44fe2888c57277142bb8eaff7d0837422381060153042bb43129e0e92cc04
[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" "67e44fe2888c57277142bb8eaff7d0837422381060153042bb43129e0e92cc04", kill_on_drop: false }`
[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 2.23s
[INFO] running `Command { std: "docker" "inspect" "67e44fe2888c57277142bb8eaff7d0837422381060153042bb43129e0e92cc04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e44fe2888c57277142bb8eaff7d0837422381060153042bb43129e0e92cc04", kill_on_drop: false }`
[INFO] [stdout] 67e44fe2888c57277142bb8eaff7d0837422381060153042bb43129e0e92cc04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2feee21e20c92daf72f4a8f3c6710e5bd54102182ce5dff19192fcba19b82ecd
[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" "2feee21e20c92daf72f4a8f3c6710e5bd54102182ce5dff19192fcba19b82ecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "2feee21e20c92daf72f4a8f3c6710e5bd54102182ce5dff19192fcba19b82ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2feee21e20c92daf72f4a8f3c6710e5bd54102182ce5dff19192fcba19b82ecd", kill_on_drop: false }`
[INFO] [stdout] 2feee21e20c92daf72f4a8f3c6710e5bd54102182ce5dff19192fcba19b82ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d612db35fe141a8704993fdf505a3b8df4494e0cf16874e519f9d54d2bb8dcac
[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" "d612db35fe141a8704993fdf505a3b8df4494e0cf16874e519f9d54d2bb8dcac", 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]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mapr` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mapr-65bbec99e9260500)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[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] [stderr]    Doc-tests mapr
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 154) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::flush (line 560) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 85) ... ok
[INFO] [stdout] test src/lib.rs - Mmap (line 332) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 113) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 364) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 633) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 55) ... 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 - MmapOptions::map (line 194) ... 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 2.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d612db35fe141a8704993fdf505a3b8df4494e0cf16874e519f9d54d2bb8dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d612db35fe141a8704993fdf505a3b8df4494e0cf16874e519f9d54d2bb8dcac", kill_on_drop: false }`
[INFO] [stdout] d612db35fe141a8704993fdf505a3b8df4494e0cf16874e519f9d54d2bb8dcac