[INFO] fetching crate memmap 0.7.0...
[INFO] testing memmap-0.7.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate memmap 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate memmap 0.7.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 729142082bc8d28610c1e005dd6b5908b237b663ad15d67f3e4aba9b7a65a60b
[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" "729142082bc8d28610c1e005dd6b5908b237b663ad15d67f3e4aba9b7a65a60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "729142082bc8d28610c1e005dd6b5908b237b663ad15d67f3e4aba9b7a65a60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729142082bc8d28610c1e005dd6b5908b237b663ad15d67f3e4aba9b7a65a60b", kill_on_drop: false }`
[INFO] [stdout] 729142082bc8d28610c1e005dd6b5908b237b663ad15d67f3e4aba9b7a65a60b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] af59558040472d16ec5d090a616d36c3b8429a5450e4e7b05340964a544ead2b
[INFO] running `Command { std: "docker" "start" "-a" "af59558040472d16ec5d090a616d36c3b8429a5450e4e7b05340964a544ead2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "af59558040472d16ec5d090a616d36c3b8429a5450e4e7b05340964a544ead2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af59558040472d16ec5d090a616d36c3b8429a5450e4e7b05340964a544ead2b", kill_on_drop: false }`
[INFO] [stdout] af59558040472d16ec5d090a616d36c3b8429a5450e4e7b05340964a544ead2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] e0991d5f4f23cb1be9e2fbe2093eb9af1e25859b2dde8c59518ea34a67b5ad26
[INFO] running `Command { std: "docker" "start" "-a" "e0991d5f4f23cb1be9e2fbe2093eb9af1e25859b2dde8c59518ea34a67b5ad26", kill_on_drop: false }`
[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]     |             ^^^^^^^^^ 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] 861 |             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 1.80s
[INFO] running `Command { std: "docker" "inspect" "e0991d5f4f23cb1be9e2fbe2093eb9af1e25859b2dde8c59518ea34a67b5ad26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0991d5f4f23cb1be9e2fbe2093eb9af1e25859b2dde8c59518ea34a67b5ad26", kill_on_drop: false }`
[INFO] [stdout] e0991d5f4f23cb1be9e2fbe2093eb9af1e25859b2dde8c59518ea34a67b5ad26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 4357b5f3736870a2d47f76d8b31576bfd446abd9364bd5e40e2021ef67fd206e
[INFO] running `Command { std: "docker" "start" "-a" "4357b5f3736870a2d47f76d8b31576bfd446abd9364bd5e40e2021ef67fd206e", 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]     |             ^^^^^^^^^ 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] 861 |             let _ = &mmap[..];
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `memmap` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memmap-4b27f9ad18962b20)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::jit_x86_anon ... ok
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::map_anon_zero_len ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::map_anon ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::mprotect_file ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stderr]    Doc-tests memmap
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 141) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 100) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 430) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 206) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 41) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 72) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 555) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 317) ... 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 - Mmap (line 287) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 247) ... 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 2.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4357b5f3736870a2d47f76d8b31576bfd446abd9364bd5e40e2021ef67fd206e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4357b5f3736870a2d47f76d8b31576bfd446abd9364bd5e40e2021ef67fd206e", kill_on_drop: false }`
[INFO] [stdout] 4357b5f3736870a2d47f76d8b31576bfd446abd9364bd5e40e2021ef67fd206e