[INFO] fetching crate vmap 0.2.2...
[INFO] testing vmap-0.2.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate vmap 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vmap 0.2.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] e45ea24391f25887bf1057f4e808c0471a74993a1a140b4fd092b408097c147f
[INFO] running `"docker" "start" "-a" "e45ea24391f25887bf1057f4e808c0471a74993a1a140b4fd092b408097c147f"`
[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 0.74s
[INFO] running `"docker" "inspect" "e45ea24391f25887bf1057f4e808c0471a74993a1a140b4fd092b408097c147f"`
[INFO] running `"docker" "rm" "-f" "e45ea24391f25887bf1057f4e808c0471a74993a1a140b4fd092b408097c147f"`
[INFO] [stdout] e45ea24391f25887bf1057f4e808c0471a74993a1a140b4fd092b408097c147f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6db520ca454e1a68eb900355c1d96af63a4386e2227b1f73eda6e9012759b38
[INFO] running `"docker" "start" "-a" "e6db520ca454e1a68eb900355c1d96af63a4386e2227b1f73eda6e9012759b38"`
[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 1.58s
[INFO] running `"docker" "inspect" "e6db520ca454e1a68eb900355c1d96af63a4386e2227b1f73eda6e9012759b38"`
[INFO] running `"docker" "rm" "-f" "e6db520ca454e1a68eb900355c1d96af63a4386e2227b1f73eda6e9012759b38"`
[INFO] [stdout] e6db520ca454e1a68eb900355c1d96af63a4386e2227b1f73eda6e9012759b38
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] c6e44927dc3b40080350a018ca91865c73c6a71577a98aa4527df6be4063d263
[INFO] running `"docker" "start" "-a" "c6e44927dc3b40080350a018ca91865c73c6a71577a98aa4527df6be4063d263"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vmap-7644274c56ecc84c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test io::tests::overwrite ... ok
[INFO] [stdout] test io::tests::size ... ok
[INFO] [stderr]    Doc-tests vmap
[INFO] [stdout] test tests::allocation_size ... ok
[INFO] [stdout] test io::tests::wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - allocation_size (line 135) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::size (line 266) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::Ring (line 23) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::with_size (line 192) ... ok
[INFO] [stdout] test src/lib.rs - page_size (line 116) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize (line 153) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::offset (line 249) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter (line 120) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::truncate (line 229) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::count (line 284) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::InfiniteRing (line 149) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::round (line 209) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader (line 14) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file (line 91) ... ok
[INFO] [stdout] test src/map.rs - map::Map (line 15) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file_unchecked (line 152) ... ok
[INFO] [stdout] test src/map.rs - map::Map::from_ptr (line 186) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file_max (line 119) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::make_read_only (line 518) ... ok
[INFO] [stdout] test src/map.rs - map::Map::open (line 69) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::copy (line 418) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::from_ptr (line 485) ... ok
[INFO] [stdout] test src/map.rs - map::Map::make_mut (line 215) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::open (line 363) ... FAILED
[INFO] [stdout] test src/map.rs - map::MapMut::new (line 336) ... 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" "c6e44927dc3b40080350a018ca91865c73c6a71577a98aa4527df6be4063d263"`
[INFO] running `"docker" "rm" "-f" "c6e44927dc3b40080350a018ca91865c73c6a71577a98aa4527df6be4063d263"`
[INFO] [stdout] c6e44927dc3b40080350a018ca91865c73c6a71577a98aa4527df6be4063d263