[INFO] crate liboverdrop 0.0.2 is already in cache
[INFO] testing liboverdrop-0.0.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate liboverdrop 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liboverdrop 0.0.2 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 liboverdrop 0.0.2
[INFO] finished tweaking crates.io crate liboverdrop 0.0.2
[INFO] tweaked toml for crates.io crate liboverdrop 0.0.2 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac1ed321949aaa5998f12fca55007aa9e0936bbe5e7667c98540cf10642e69dc
[INFO] running `Command { std: "docker" "start" "-a" "ac1ed321949aaa5998f12fca55007aa9e0936bbe5e7667c98540cf10642e69dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1ed321949aaa5998f12fca55007aa9e0936bbe5e7667c98540cf10642e69dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1ed321949aaa5998f12fca55007aa9e0936bbe5e7667c98540cf10642e69dc", kill_on_drop: false }`
[INFO] [stdout] ac1ed321949aaa5998f12fca55007aa9e0936bbe5e7667c98540cf10642e69dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] a4380672720ea752577a118ad9a0458a5beea7155a2b185f73695c5542b84c0e
[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" "a4380672720ea752577a118ad9a0458a5beea7155a2b185f73695c5542b84c0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling liboverdrop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "a4380672720ea752577a118ad9a0458a5beea7155a2b185f73695c5542b84c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4380672720ea752577a118ad9a0458a5beea7155a2b185f73695c5542b84c0e", kill_on_drop: false }`
[INFO] [stdout] a4380672720ea752577a118ad9a0458a5beea7155a2b185f73695c5542b84c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 56a3f06bfb2a248e357e0435386fa3efc6be40e9458a3643b04de956429b4601
[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" "56a3f06bfb2a248e357e0435386fa3efc6be40e9458a3643b04de956429b4601", kill_on_drop: false }`
[INFO] [stderr]    Compiling liboverdrop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "56a3f06bfb2a248e357e0435386fa3efc6be40e9458a3643b04de956429b4601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a3f06bfb2a248e357e0435386fa3efc6be40e9458a3643b04de956429b4601", kill_on_drop: false }`
[INFO] [stdout] 56a3f06bfb2a248e357e0435386fa3efc6be40e9458a3643b04de956429b4601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c80912380a8fbb30a1436ac471e8f2f13c9cd93058f347f619a22d61a068849c
[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" "c80912380a8fbb30a1436ac471e8f2f13c9cd93058f347f619a22d61a068849c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/liboverdrop-dec063874c18668c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liboverdrop
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::basic_override ... ok
[INFO] [stdout] test tests::basic_override_allow_all_extensions ... ok
[INFO] [stdout] test tests::basic_override_allow_hidden ... ok
[INFO] [stdout] test tests::basic_override_ignore_hidden ... ok
[INFO] [stdout] test tests::basic_override_restrict_extensions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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 - (line 19) ... 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" "c80912380a8fbb30a1436ac471e8f2f13c9cd93058f347f619a22d61a068849c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80912380a8fbb30a1436ac471e8f2f13c9cd93058f347f619a22d61a068849c", kill_on_drop: false }`
[INFO] [stdout] c80912380a8fbb30a1436ac471e8f2f13c9cd93058f347f619a22d61a068849c