[INFO] crate vmap 0.2.2 is already in cache
[INFO] testing vmap-0.2.2 against beta-2020-07-24 for beta-1.46-1
[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 beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0a06e0da4ff4ac8acc2666f06c7a3eea813db4fe6eabf64433dda448c1af5f
[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" "ea0a06e0da4ff4ac8acc2666f06c7a3eea813db4fe6eabf64433dda448c1af5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0a06e0da4ff4ac8acc2666f06c7a3eea813db4fe6eabf64433dda448c1af5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0a06e0da4ff4ac8acc2666f06c7a3eea813db4fe6eabf64433dda448c1af5f", kill_on_drop: false }`
[INFO] [stdout] ea0a06e0da4ff4ac8acc2666f06c7a3eea813db4fe6eabf64433dda448c1af5f
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 2bf2a22ecba9913e4ed07db0af7e36d07d4cd6610be8046a406fe8bbfe46d458
[INFO] running `Command { std: "docker" "start" "-a" "2bf2a22ecba9913e4ed07db0af7e36d07d4cd6610be8046a406fe8bbfe46d458", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling vmap v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "2bf2a22ecba9913e4ed07db0af7e36d07d4cd6610be8046a406fe8bbfe46d458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf2a22ecba9913e4ed07db0af7e36d07d4cd6610be8046a406fe8bbfe46d458", kill_on_drop: false }`
[INFO] [stdout] 2bf2a22ecba9913e4ed07db0af7e36d07d4cd6610be8046a406fe8bbfe46d458
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6447c75c58d59555bec5b3bbd8748baa78c5505d71b73c08208cecf1a956fb83
[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" "6447c75c58d59555bec5b3bbd8748baa78c5505d71b73c08208cecf1a956fb83", 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 vmap v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "6447c75c58d59555bec5b3bbd8748baa78c5505d71b73c08208cecf1a956fb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6447c75c58d59555bec5b3bbd8748baa78c5505d71b73c08208cecf1a956fb83", kill_on_drop: false }`
[INFO] [stdout] 6447c75c58d59555bec5b3bbd8748baa78c5505d71b73c08208cecf1a956fb83
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 7ce772971d4a27867b20598b94b026d2d2b18717771720b3d5b9225a71f75ea8
[INFO] running `Command { std: "docker" "start" "-a" "7ce772971d4a27867b20598b94b026d2d2b18717771720b3d5b9225a71f75ea8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vmap-949c9fa81fd9c315
[INFO] [stderr]    Doc-tests vmap
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test io::tests::overwrite ... ok
[INFO] [stdout] test io::tests::size ... ok
[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 - page_size (line 116) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::size (line 266) ... ok
[INFO] [stdout] test src/lib.rs - allocation_size (line 135) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::truncate (line 229) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::with_size (line 192) ... ok
[INFO] [stdout] test src/lib.rs - AllocSize::round (line 209) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::InfiniteRing (line 149) ... 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/io/ring.rs - io::ring::Ring (line 23) ... 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/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_max (line 119) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::new (line 336) ... ok
[INFO] [stdout] test src/map.rs - map::Map::open (line 69) ... ok
[INFO] [stdout] test src/map.rs - map::Map::from_ptr (line 186) ... 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::copy (line 418) ... ok
[INFO] [stdout] test src/map.rs - map::Map::file_unchecked (line 152) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::from_ptr (line 485) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::make_read_only (line 518) ... 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 `Command { std: "docker" "inspect" "7ce772971d4a27867b20598b94b026d2d2b18717771720b3d5b9225a71f75ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce772971d4a27867b20598b94b026d2d2b18717771720b3d5b9225a71f75ea8", kill_on_drop: false }`
[INFO] [stdout] 7ce772971d4a27867b20598b94b026d2d2b18717771720b3d5b9225a71f75ea8