[INFO] fetching crate mmu 0.1.0...
[INFO] testing mmu-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mmu 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate mmu 0.1.0 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 mmu 0.1.0
[INFO] finished tweaking crates.io crate mmu 0.1.0
[INFO] tweaked toml for crates.io crate mmu 0.1.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 66066c117b913667dac3893fed58af55de7e995c88a7957b28ff190a3465d6f7
[INFO] running `Command { std: "docker" "start" "-a" "66066c117b913667dac3893fed58af55de7e995c88a7957b28ff190a3465d6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66066c117b913667dac3893fed58af55de7e995c88a7957b28ff190a3465d6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66066c117b913667dac3893fed58af55de7e995c88a7957b28ff190a3465d6f7", kill_on_drop: false }`
[INFO] [stdout] 66066c117b913667dac3893fed58af55de7e995c88a7957b28ff190a3465d6f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] fcfaba03210fbc1ac85544bcab8e08bf3f1a092faa29ee1908a71684dad56063
[INFO] running `Command { std: "docker" "start" "-a" "fcfaba03210fbc1ac85544bcab8e08bf3f1a092faa29ee1908a71684dad56063", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "fcfaba03210fbc1ac85544bcab8e08bf3f1a092faa29ee1908a71684dad56063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfaba03210fbc1ac85544bcab8e08bf3f1a092faa29ee1908a71684dad56063", kill_on_drop: false }`
[INFO] [stdout] fcfaba03210fbc1ac85544bcab8e08bf3f1a092faa29ee1908a71684dad56063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] bf77fa63caa3852781386b7abbe5a306bea6257367400dc75a59f6cdb85da12d
[INFO] running `Command { std: "docker" "start" "-a" "bf77fa63caa3852781386b7abbe5a306bea6257367400dc75a59f6cdb85da12d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "bf77fa63caa3852781386b7abbe5a306bea6257367400dc75a59f6cdb85da12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf77fa63caa3852781386b7abbe5a306bea6257367400dc75a59f6cdb85da12d", kill_on_drop: false }`
[INFO] [stdout] bf77fa63caa3852781386b7abbe5a306bea6257367400dc75a59f6cdb85da12d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 064d3683fbb857a3d0ea3c421aa0209cb2981f86aea27a6cd115ea327441055e
[INFO] running `Command { std: "docker" "start" "-a" "064d3683fbb857a3d0ea3c421aa0209cb2981f86aea27a6cd115ea327441055e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmu-052573d3b61fb345)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test amd64::page_table::bit_consistency ... ok
[INFO] [stdout] test amd64::page_table::int_consistency ... ok
[INFO] [stdout] test amd64::recursive_mapper::map_tables ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mmu
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "064d3683fbb857a3d0ea3c421aa0209cb2981f86aea27a6cd115ea327441055e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064d3683fbb857a3d0ea3c421aa0209cb2981f86aea27a6cd115ea327441055e", kill_on_drop: false }`
[INFO] [stdout] 064d3683fbb857a3d0ea3c421aa0209cb2981f86aea27a6cd115ea327441055e