[INFO] fetching crate taken 0.1.1...
[INFO] testing taken-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate taken 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate taken 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taken 0.1.1
[INFO] finished tweaking crates.io crate taken 0.1.1
[INFO] tweaked toml for crates.io crate taken 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c1c3f10ce1427a7500a661b4df05efb53f19de165126b2a922e21dbe60ec9d
[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" "05c1c3f10ce1427a7500a661b4df05efb53f19de165126b2a922e21dbe60ec9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c1c3f10ce1427a7500a661b4df05efb53f19de165126b2a922e21dbe60ec9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c1c3f10ce1427a7500a661b4df05efb53f19de165126b2a922e21dbe60ec9d", kill_on_drop: false }`
[INFO] [stdout] 05c1c3f10ce1427a7500a661b4df05efb53f19de165126b2a922e21dbe60ec9d
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9e92462d1c5a3a190648525e37687cffbedb5d8501f893f9a043bac5718ba95
[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" "c9e92462d1c5a3a190648525e37687cffbedb5d8501f893f9a043bac5718ba95", kill_on_drop: false }`
[INFO] [stderr]    Compiling taken v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c9e92462d1c5a3a190648525e37687cffbedb5d8501f893f9a043bac5718ba95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e92462d1c5a3a190648525e37687cffbedb5d8501f893f9a043bac5718ba95", kill_on_drop: false }`
[INFO] [stdout] c9e92462d1c5a3a190648525e37687cffbedb5d8501f893f9a043bac5718ba95
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209634d26d2dd1dd85c3fd9e9cf14ff65b9159615e034d6a09fd48350f833418
[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" "209634d26d2dd1dd85c3fd9e9cf14ff65b9159615e034d6a09fd48350f833418", kill_on_drop: false }`
[INFO] [stderr]    Compiling taken v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "209634d26d2dd1dd85c3fd9e9cf14ff65b9159615e034d6a09fd48350f833418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209634d26d2dd1dd85c3fd9e9cf14ff65b9159615e034d6a09fd48350f833418", kill_on_drop: false }`
[INFO] [stdout] 209634d26d2dd1dd85c3fd9e9cf14ff65b9159615e034d6a09fd48350f833418
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da6723733c27a4d37fdabde9e9702327d009a7404beeeb7aea960dc96944bf6b
[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" "da6723733c27a4d37fdabde9e9702327d009a7404beeeb7aea960dc96944bf6b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/taken-556f39172a915f2a
[INFO] [stdout] test sanity_multi ... ok
[INFO] [stderr]    Doc-tests taken
[INFO] [stdout] test sanity_syntax ... ok
[INFO] [stdout] test sanity_syntax_comma ... ok
[INFO] [stdout] test sanity_syntax_as ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - take (line 33) ... ok
[INFO] [stdout] test src/lib.rs - take (line 138) ... ok
[INFO] [stdout] test src/lib.rs - take (line 120) ... ok
[INFO] [stdout] test src/lib.rs - take (line 43) ... ok
[INFO] [stdout] test src/lib.rs - take (line 54) ... ok
[INFO] [stdout] test src/lib.rs - take (line 67) ... ok
[INFO] [stdout] test src/lib.rs - take (line 157) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da6723733c27a4d37fdabde9e9702327d009a7404beeeb7aea960dc96944bf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6723733c27a4d37fdabde9e9702327d009a7404beeeb7aea960dc96944bf6b", kill_on_drop: false }`
[INFO] [stdout] da6723733c27a4d37fdabde9e9702327d009a7404beeeb7aea960dc96944bf6b