[INFO] fetching crate memmap 0.7.0...
[INFO] testing memmap-0.7.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate memmap 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memmap 0.7.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memmap 0.7.0
[INFO] finished tweaking crates.io crate memmap 0.7.0
[INFO] tweaked toml for crates.io crate memmap 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 124a1fcc3bcd356ffd7c3107ecb2b27503ff18796bba66edb980f312b8d94b63
[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" "124a1fcc3bcd356ffd7c3107ecb2b27503ff18796bba66edb980f312b8d94b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "124a1fcc3bcd356ffd7c3107ecb2b27503ff18796bba66edb980f312b8d94b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124a1fcc3bcd356ffd7c3107ecb2b27503ff18796bba66edb980f312b8d94b63", kill_on_drop: false }`
[INFO] [stdout] 124a1fcc3bcd356ffd7c3107ecb2b27503ff18796bba66edb980f312b8d94b63
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", 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] 5c6f8bafa5ee3e346dae2f50b65899a37c25356e1618a59739019bf95e9d8528
[INFO] running `Command { std: "docker" "start" "-a" "5c6f8bafa5ee3e346dae2f50b65899a37c25356e1618a59739019bf95e9d8528", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memmap v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "5c6f8bafa5ee3e346dae2f50b65899a37c25356e1618a59739019bf95e9d8528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6f8bafa5ee3e346dae2f50b65899a37c25356e1618a59739019bf95e9d8528", kill_on_drop: false }`
[INFO] [stdout] 5c6f8bafa5ee3e346dae2f50b65899a37c25356e1618a59739019bf95e9d8528
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a9edbd4804b8c0ca8612be1cf2a9081fb18db38aa820c1df08f211b6fef771
[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" "f6a9edbd4804b8c0ca8612be1cf2a9081fb18db38aa820c1df08f211b6fef771", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling memmap v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:861:13
[INFO] [stdout]     |
[INFO] [stdout] 861 |             &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 3.19s
[INFO] running `Command { std: "docker" "inspect" "f6a9edbd4804b8c0ca8612be1cf2a9081fb18db38aa820c1df08f211b6fef771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a9edbd4804b8c0ca8612be1cf2a9081fb18db38aa820c1df08f211b6fef771", kill_on_drop: false }`
[INFO] [stdout] f6a9edbd4804b8c0ca8612be1cf2a9081fb18db38aa820c1df08f211b6fef771
[INFO] running `Command { std: "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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 49a0956de168ba2ec327567d22751900a113965ffd00e4bbda905955418118bb
[INFO] running `Command { std: "docker" "start" "-a" "49a0956de168ba2ec327567d22751900a113965ffd00e4bbda905955418118bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:861:13
[INFO] [stderr]     |
[INFO] [stderr] 861 |             &mmap[..];
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `memmap` (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/memmap-f76dc08757406b55)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stderr]    Doc-tests memmap
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::mprotect_file ... 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 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 555) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 100) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 317) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 72) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::make_mut (line 350) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map (line 163) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 141) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 247) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 206) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 430) ... ok
[INFO] [stdout] test src/lib.rs - Mmap (line 287) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::flush (line 479) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49a0956de168ba2ec327567d22751900a113965ffd00e4bbda905955418118bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a0956de168ba2ec327567d22751900a113965ffd00e4bbda905955418118bb", kill_on_drop: false }`
[INFO] [stdout] 49a0956de168ba2ec327567d22751900a113965ffd00e4bbda905955418118bb