[INFO] fetching crate mox 0.10.0...
[INFO] testing mox-0.10.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mox 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mox 0.10.0 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 mox 0.10.0
[INFO] finished tweaking crates.io crate mox 0.10.0
[INFO] tweaked toml for crates.io crate mox 0.10.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mox-impl v0.10.0
[INFO] [stderr]   Downloaded illicit v1.1.0
[INFO] [stderr]   Downloaded topo-macro v0.10.0
[INFO] [stderr]   Downloaded topo v0.11.0
[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] 5ca204e9d58d79b64216fabf926953bc06209599dceaaff65d4a453d2e91ae23
[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" "5ca204e9d58d79b64216fabf926953bc06209599dceaaff65d4a453d2e91ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca204e9d58d79b64216fabf926953bc06209599dceaaff65d4a453d2e91ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca204e9d58d79b64216fabf926953bc06209599dceaaff65d4a453d2e91ae23", kill_on_drop: false }`
[INFO] [stdout] 5ca204e9d58d79b64216fabf926953bc06209599dceaaff65d4a453d2e91ae23
[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] 5f5375e7d6b715c4b71ae3afb9d014de0f569dd5e48d822e21a0319d4e46894a
[INFO] running `Command { std: "docker" "start" "-a" "5f5375e7d6b715c4b71ae3afb9d014de0f569dd5e48d822e21a0319d4e46894a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hash_hasher v2.0.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling illicit-macro v1.0.0
[INFO] [stderr]    Compiling topo-macro v0.10.0
[INFO] [stderr]    Compiling mox-impl v0.10.0
[INFO] [stderr]    Compiling illicit v1.1.0
[INFO] [stderr]    Compiling topo v0.11.0
[INFO] [stderr]    Compiling mox v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.41s
[INFO] running `Command { std: "docker" "inspect" "5f5375e7d6b715c4b71ae3afb9d014de0f569dd5e48d822e21a0319d4e46894a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5375e7d6b715c4b71ae3afb9d014de0f569dd5e48d822e21a0319d4e46894a", kill_on_drop: false }`
[INFO] [stdout] 5f5375e7d6b715c4b71ae3afb9d014de0f569dd5e48d822e21a0319d4e46894a
[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] b7fb0c4ee587478671662a9b0976a0699870e42c74feea643792defb4a221219
[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" "b7fb0c4ee587478671662a9b0976a0699870e42c74feea643792defb4a221219", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling mox v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "b7fb0c4ee587478671662a9b0976a0699870e42c74feea643792defb4a221219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fb0c4ee587478671662a9b0976a0699870e42c74feea643792defb4a221219", kill_on_drop: false }`
[INFO] [stdout] b7fb0c4ee587478671662a9b0976a0699870e42c74feea643792defb4a221219
[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] [stdout] 9138b6eb8cbeae770f44829c5e5b345df447b0958cd542a041cc32202d7773bb
[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" "9138b6eb8cbeae770f44829c5e5b345df447b0958cd542a041cc32202d7773bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mox-dde8381b50e5e9e5
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derive_builder-9f0f253d8252af63
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_builder-98612775548faa1c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mox
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - mox (line 210) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9138b6eb8cbeae770f44829c5e5b345df447b0958cd542a041cc32202d7773bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9138b6eb8cbeae770f44829c5e5b345df447b0958cd542a041cc32202d7773bb", kill_on_drop: false }`
[INFO] [stdout] 9138b6eb8cbeae770f44829c5e5b345df447b0958cd542a041cc32202d7773bb