[INFO] crate skimmer 0.0.2 is already in cache
[INFO] testing skimmer-0.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate skimmer 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate skimmer 0.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skimmer 0.0.2
[INFO] finished tweaking crates.io crate skimmer 0.0.2
[INFO] tweaked toml for crates.io crate skimmer 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f24e792d5499b9cda201ba415eb773900b7c57b84a1e3c3ff7a978901123c2b
[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" "4f24e792d5499b9cda201ba415eb773900b7c57b84a1e3c3ff7a978901123c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f24e792d5499b9cda201ba415eb773900b7c57b84a1e3c3ff7a978901123c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f24e792d5499b9cda201ba415eb773900b7c57b84a1e3c3ff7a978901123c2b", kill_on_drop: false }`
[INFO] [stdout] 4f24e792d5499b9cda201ba415eb773900b7c57b84a1e3c3ff7a978901123c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191dcc7fb3e98e2aac9c037e828e8c93ee0c668800f6443d5a118af46e1dfc45
[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" "191dcc7fb3e98e2aac9c037e828e8c93ee0c668800f6443d5a118af46e1dfc45", kill_on_drop: false }`
[INFO] [stderr]    Compiling skimmer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "191dcc7fb3e98e2aac9c037e828e8c93ee0c668800f6443d5a118af46e1dfc45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191dcc7fb3e98e2aac9c037e828e8c93ee0c668800f6443d5a118af46e1dfc45", kill_on_drop: false }`
[INFO] [stdout] 191dcc7fb3e98e2aac9c037e828e8c93ee0c668800f6443d5a118af46e1dfc45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.45.2" "test" "--frozen" "--no-run" "--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] 7854ca70f7cff97d4e32bf521bbbe7395715c4e6528559b660480522248fa5bf
[INFO] running `Command { std: "docker" "start" "-a" "7854ca70f7cff97d4e32bf521bbbe7395715c4e6528559b660480522248fa5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling skimmer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7854ca70f7cff97d4e32bf521bbbe7395715c4e6528559b660480522248fa5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7854ca70f7cff97d4e32bf521bbbe7395715c4e6528559b660480522248fa5bf", kill_on_drop: false }`
[INFO] [stdout] 7854ca70f7cff97d4e32bf521bbbe7395715c4e6528559b660480522248fa5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bc1fdcba1286c6e38d8fcc6f8ec45bdf2ae245f7d596b626448257b1c04581c
[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" "0bc1fdcba1286c6e38d8fcc6f8ec45bdf2ae245f7d596b626448257b1c04581c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skimmer-e26de08ae73e65c7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skimmer
[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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bc1fdcba1286c6e38d8fcc6f8ec45bdf2ae245f7d596b626448257b1c04581c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc1fdcba1286c6e38d8fcc6f8ec45bdf2ae245f7d596b626448257b1c04581c", kill_on_drop: false }`
[INFO] [stdout] 0bc1fdcba1286c6e38d8fcc6f8ec45bdf2ae245f7d596b626448257b1c04581c