[INFO] fetching crate vmap 0.2.2...
[INFO] testing vmap-0.2.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate vmap 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vmap 0.2.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vmap 0.2.2
[INFO] finished tweaking crates.io crate vmap 0.2.2
[INFO] tweaked toml for crates.io crate vmap 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a69e5895c079718d17312b6e37ff816589a052a0760e5931b6b28790e360c937
[INFO] running `"docker" "start" "-a" "a69e5895c079718d17312b6e37ff816589a052a0760e5931b6b28790e360c937"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vmap v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a69e5895c079718d17312b6e37ff816589a052a0760e5931b6b28790e360c937"`
[INFO] running `"docker" "rm" "-f" "a69e5895c079718d17312b6e37ff816589a052a0760e5931b6b28790e360c937"`
[INFO] [stdout] a69e5895c079718d17312b6e37ff816589a052a0760e5931b6b28790e360c937
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5da75c93d1e61fbd717e6a3b54932466a3b9f0543b6684d88de522ed300f9adb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5da75c93d1e61fbd717e6a3b54932466a3b9f0543b6684d88de522ed300f9adb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling vmap v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "5da75c93d1e61fbd717e6a3b54932466a3b9f0543b6684d88de522ed300f9adb"`
[INFO] running `"docker" "rm" "-f" "5da75c93d1e61fbd717e6a3b54932466a3b9f0543b6684d88de522ed300f9adb"`
[INFO] [stdout] 5da75c93d1e61fbd717e6a3b54932466a3b9f0543b6684d88de522ed300f9adb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cb0a2769b9224cfe0250c3ecee61c5c00b038eebf054ea36ced0055492513ed
[INFO] running `"docker" "start" "-a" "1cb0a2769b9224cfe0250c3ecee61c5c00b038eebf054ea36ced0055492513ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vmap-4df456807be2a645
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test io::tests::size ... ok
[INFO] [stdout] test tests::allocation_size ... ok
[INFO] [stdout] test io::tests::wrap ... ok
[INFO] [stdout] test io::tests::overwrite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmap
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - AllocSize (line 153) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::truncate (line 229) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::size (line 266) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::with_size (line 192) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::offset (line 249) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader (line 14) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::count (line 284) ... ok
[INFO] [stdout] test src/lib.rs - allocation_size (line 135) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::round (line 209) ... ok
[INFO] [stdout] test src/lib.rs - page_size (line 116) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter (line 120) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::InfiniteRing (line 149) ... ok
[INFO] [stdout] test src/map.rs - map::Map (line 15) ... ok
[INFO] [stdout] test src/map.rs - map::Map::from_ptr (line 186) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::Ring (line 23) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file_unchecked (line 152) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file_max (line 119) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::copy (line 418) ... ok
[INFO] [stdout] test src/map.rs - map::Map::open (line 69) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file (line 91) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::new (line 336) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::open (line 363) ... FAILED
[INFO] [stdout] test src/map.rs - map::Map::make_mut (line 215) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::make_read_only (line 518) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::from_ptr (line 485) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/map.rs - map::MapMut::open (line 363) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/map.rs - map::MapMut::open (line 363)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 25 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "1cb0a2769b9224cfe0250c3ecee61c5c00b038eebf054ea36ced0055492513ed"`
[INFO] running `"docker" "rm" "-f" "1cb0a2769b9224cfe0250c3ecee61c5c00b038eebf054ea36ced0055492513ed"`
[INFO] [stdout] 1cb0a2769b9224cfe0250c3ecee61c5c00b038eebf054ea36ced0055492513ed