[INFO] fetching crate memmap2 0.3.1...
[INFO] testing memmap2-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate memmap2 0.3.1 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate memmap2 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memmap2 0.3.1
[INFO] finished tweaking crates.io crate memmap2 0.3.1
[INFO] tweaked toml for crates.io crate memmap2 0.3.1 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate memmap2 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb8f1978783fd1cfe7ffea3828476ec3497751ffb54dd20252f1f1686ee67f6b
[INFO] running `Command { std: "docker" "start" "-a" "eb8f1978783fd1cfe7ffea3828476ec3497751ffb54dd20252f1f1686ee67f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8f1978783fd1cfe7ffea3828476ec3497751ffb54dd20252f1f1686ee67f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8f1978783fd1cfe7ffea3828476ec3497751ffb54dd20252f1f1686ee67f6b", kill_on_drop: false }`
[INFO] [stdout] eb8f1978783fd1cfe7ffea3828476ec3497751ffb54dd20252f1f1686ee67f6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 994c634020b63f1243e7a2daa8d177d880ffa9025c67813af6c6a3abb926acf0
[INFO] running `Command { std: "docker" "start" "-a" "994c634020b63f1243e7a2daa8d177d880ffa9025c67813af6c6a3abb926acf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memmap2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "994c634020b63f1243e7a2daa8d177d880ffa9025c67813af6c6a3abb926acf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994c634020b63f1243e7a2daa8d177d880ffa9025c67813af6c6a3abb926acf0", kill_on_drop: false }`
[INFO] [stdout] 994c634020b63f1243e7a2daa8d177d880ffa9025c67813af6c6a3abb926acf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 343de59b9a892b9588673aeda89e55c352b8125f63961e4ec445ce567b79177c
[INFO] running `Command { std: "docker" "start" "-a" "343de59b9a892b9588673aeda89e55c352b8125f63961e4ec445ce567b79177c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling memmap2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "343de59b9a892b9588673aeda89e55c352b8125f63961e4ec445ce567b79177c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343de59b9a892b9588673aeda89e55c352b8125f63961e4ec445ce567b79177c", kill_on_drop: false }`
[INFO] [stdout] 343de59b9a892b9588673aeda89e55c352b8125f63961e4ec445ce567b79177c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db83f17de927ef14d9cb5758c873533ea7b48e137f50289cfe333f787b49fb93
[INFO] running `Command { std: "docker" "start" "-a" "db83f17de927ef14d9cb5758c873533ea7b48e137f50289cfe333f787b49fb93", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memmap2-e2c34eb4d4a5d933)
[INFO] [stdout] 
[INFO] [stdout] running 18 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::map_anon ... ok
[INFO] [stdout] test test::jit_x86_file ... ok
[INFO] [stdout] test test::mprotect_anon ... ok
[INFO] [stdout] test test::map_empty_file ... ok
[INFO] [stdout] test test::map_copy ... ok
[INFO] [stdout] test test::map_copy_read_only ... ok
[INFO] [stdout] test test::sync_send ... ok
[INFO] [stdout] test test::map_fd ... ok
[INFO] [stdout] test test::map_file ... ok
[INFO] [stdout] test test::mprotect_copy ... ok
[INFO] [stdout] test test::raw ... ok
[INFO] [stdout] test test::map_offset ... ok
[INFO] [stdout] test test::flush_range ... ok
[INFO] [stdout] test test::file_write ... ok
[INFO] [stdout] test test::mprotect_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memmap2
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - MmapOptions::stack (line 223) ... ok
[INFO] [stdout] test src/lib.rs - Mmap (line 471) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::make_read_only (line 822) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::offset (line 139) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::new (line 109) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::populate (line 244) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::len (line 167) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map (line 273) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy (line 364) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::make_mut (line 536) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::map_mut (line 697) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_copy_read_only (line 392) ... ok
[INFO] [stdout] test src/lib.rs - Mmap::map (line 503) ... ok
[INFO] [stdout] test src/lib.rs - MmapOptions::map_mut (line 321) ... ok
[INFO] [stdout] test src/lib.rs - MmapMut::flush (line 746) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db83f17de927ef14d9cb5758c873533ea7b48e137f50289cfe333f787b49fb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db83f17de927ef14d9cb5758c873533ea7b48e137f50289cfe333f787b49fb93", kill_on_drop: false }`
[INFO] [stdout] db83f17de927ef14d9cb5758c873533ea7b48e137f50289cfe333f787b49fb93