[INFO] fetching crate vmap 0.6.3...
[INFO] testing vmap-0.6.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate vmap 0.6.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vmap 0.6.3
[INFO] finished tweaking crates.io crate vmap 0.6.3
[INFO] tweaked toml for crates.io crate vmap 0.6.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vmap 0.6.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded system_error v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39f1abd8b8c83869fb883323f53a894b456ed648cbdfc300a909a6bf4433f79
[INFO] running `Command { std: "docker" "start" "-a" "f39f1abd8b8c83869fb883323f53a894b456ed648cbdfc300a909a6bf4433f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39f1abd8b8c83869fb883323f53a894b456ed648cbdfc300a909a6bf4433f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39f1abd8b8c83869fb883323f53a894b456ed648cbdfc300a909a6bf4433f79", kill_on_drop: false }`
[INFO] [stdout] f39f1abd8b8c83869fb883323f53a894b456ed648cbdfc300a909a6bf4433f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d09674bdaa56659e0799a0fd53111ad70338a6792268eabdb6ad9df2fc0b3f2
[INFO] running `Command { std: "docker" "start" "-a" "9d09674bdaa56659e0799a0fd53111ad70338a6792268eabdb6ad9df2fc0b3f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_error v0.2.0
[INFO] [stderr]    Compiling vmap v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "9d09674bdaa56659e0799a0fd53111ad70338a6792268eabdb6ad9df2fc0b3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d09674bdaa56659e0799a0fd53111ad70338a6792268eabdb6ad9df2fc0b3f2", kill_on_drop: false }`
[INFO] [stdout] 9d09674bdaa56659e0799a0fd53111ad70338a6792268eabdb6ad9df2fc0b3f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ea1e8bb45b8685fe39031e2bb9952fbbb9b3c8f5a974e8fd64cfbb78d2e994
[INFO] running `Command { std: "docker" "start" "-a" "65ea1e8bb45b8685fe39031e2bb9952fbbb9b3c8f5a974e8fd64cfbb78d2e994", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling vmap v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "65ea1e8bb45b8685fe39031e2bb9952fbbb9b3c8f5a974e8fd64cfbb78d2e994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ea1e8bb45b8685fe39031e2bb9952fbbb9b3c8f5a974e8fd64cfbb78d2e994", kill_on_drop: false }`
[INFO] [stdout] 65ea1e8bb45b8685fe39031e2bb9952fbbb9b3c8f5a974e8fd64cfbb78d2e994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 587d5fa5ba3056b86b8de2bce89379c3076052d68841f90b6cb2f9d0e50f4edd
[INFO] running `Command { std: "docker" "start" "-a" "587d5fa5ba3056b86b8de2bce89379c3076052d68841f90b6cb2f9d0e50f4edd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vmap-4783231d25afccc1)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test io::tests::overwrite ... ok
[INFO] [stdout] test io::tests::wrap ... ok
[INFO] [stdout] test tests::alloc_exact ... ok
[INFO] [stdout] test io::tests::size ... ok
[INFO] [stdout] test tests::alloc_min ... ok
[INFO] [stdout] test tests::allocation_size ... ok
[INFO] [stdout] test tests::alloc_offset ... ok
[INFO] [stdout] test tests::copy ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::read_max ... ok
[INFO] [stdout] test tests::read_end ... ok
[INFO] [stdout] test tests::read_min ... ok
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::volatile ... ok
[INFO] [stdout] test tests::unaligned ... ok
[INFO] [stdout] test tests::write_into_mut ... ok
[INFO] [stdout] test io::tests::ring_sizes_vs_page_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmap
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/error.rs - error::Error::io (line 65) ... ok
[INFO] [stdout] test src/error.rs - error::Error::last_os_error (line 155) ... ok
[INFO] [stdout] test src/error.rs - error::Error::kernel (line 132) ... ok
[INFO] [stdout] test src/error.rs - error::Error::kind (line 199) ... ok
[INFO] [stdout] test src/error.rs - error::Error (line 36) ... ok
[INFO] [stdout] test src/error.rs - error::Error::raw_os_error (line 171) ... ok
[INFO] [stdout] test src/error.rs - error::Error::operation (line 224) ... ok
[INFO] [stdout] test src/error.rs - error::Error::input (line 87) ... ok
[INFO] [stdout] test src/error.rs - error::Input::as_str (line 427) ... ok
[INFO] [stdout] test src/error.rs - error::Operation::as_str (line 364) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader<R>::set_lowat (line 64) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader (line 17) ... ok
[INFO] [stdout] test src/error.rs - error::Error::system (line 109) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::Ring (line 23) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::InfiniteRing (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter<W>::into_inner (line 265) ... ok
[INFO] [stdout] test src/lib.rs - (line 96) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter<W>::into_parts (line 317) ... ok
[INFO] [stdout] test src/lib.rs - Size::count (line 429) ... ok
[INFO] [stdout] test src/lib.rs - Size::round (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Size (line 289) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Size::truncate (line 373) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter (line 201) ... ok
[INFO] [stdout] test src/lib.rs - Size::size (line 411) ... ok
[INFO] [stdout] test src/lib.rs - allocation_size (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Size::offset (line 393) ... ok
[INFO] [stdout] test src/lib.rs - Size::with_size (line 337) ... ok
[INFO] [stdout] test src/lib.rs - page_size (line 235) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::new (line 245) ... ok
[INFO] [stdout] test src/map.rs - map::Map::into_map_mut (line 78) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::copy (line 571) ... ok
[INFO] [stdout] test src/map.rs - map::Map::with_options (line 49) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::create (line 602) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::create_new (line 645) ... ok
[INFO] [stdout] test src/map.rs - map::Map (line 19) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::alloc (line 1221) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 849) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::with_options (line 212) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 773) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::map_if (line 1156) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::open_if (line 1084) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::into_map (line 267) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::open (line 1046) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::offset (line 723) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::map (line 1120) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 917) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 808) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 945) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::write (line 539) ... FAILED
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 985) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::truncate (line 681) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/map.rs - map::Options<T>::write (line 539) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Error { op: MapFile, kind: ReadOnlyFilesystem, io: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/map.rs - map::Options<T>::write (line 539)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 52 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.02s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "587d5fa5ba3056b86b8de2bce89379c3076052d68841f90b6cb2f9d0e50f4edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587d5fa5ba3056b86b8de2bce89379c3076052d68841f90b6cb2f9d0e50f4edd", kill_on_drop: false }`
[INFO] [stdout] 587d5fa5ba3056b86b8de2bce89379c3076052d68841f90b6cb2f9d0e50f4edd