[INFO] fetching crate take_ref 0.2.0...
[INFO] testing take_ref-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate take_ref 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate take_ref 0.2.0 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 take_ref 0.2.0
[INFO] finished tweaking crates.io crate take_ref 0.2.0
[INFO] tweaked toml for crates.io crate take_ref 0.2.0 written to /workspace/builds/worker-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8a75f8f849df7d207d51d8487624f982ca70a8b47da1a450964cb5dfc521adba
[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" "8a75f8f849df7d207d51d8487624f982ca70a8b47da1a450964cb5dfc521adba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a75f8f849df7d207d51d8487624f982ca70a8b47da1a450964cb5dfc521adba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a75f8f849df7d207d51d8487624f982ca70a8b47da1a450964cb5dfc521adba", kill_on_drop: false }`
[INFO] [stdout] 8a75f8f849df7d207d51d8487624f982ca70a8b47da1a450964cb5dfc521adba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5e49938fa06022d0a0e23fb3999eef75b7c675a9c952cb41465d2d0f0a5ea3cb
[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" "5e49938fa06022d0a0e23fb3999eef75b7c675a9c952cb41465d2d0f0a5ea3cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "5e49938fa06022d0a0e23fb3999eef75b7c675a9c952cb41465d2d0f0a5ea3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e49938fa06022d0a0e23fb3999eef75b7c675a9c952cb41465d2d0f0a5ea3cb", kill_on_drop: false }`
[INFO] [stdout] 5e49938fa06022d0a0e23fb3999eef75b7c675a9c952cb41465d2d0f0a5ea3cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d172f65cccb41b81b9df8d1aa71a0cc794d2fea0a68fdc05cc5d0eb9b5fa4bd2
[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" "d172f65cccb41b81b9df8d1aa71a0cc794d2fea0a68fdc05cc5d0eb9b5fa4bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "d172f65cccb41b81b9df8d1aa71a0cc794d2fea0a68fdc05cc5d0eb9b5fa4bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d172f65cccb41b81b9df8d1aa71a0cc794d2fea0a68fdc05cc5d0eb9b5fa4bd2", kill_on_drop: false }`
[INFO] [stdout] d172f65cccb41b81b9df8d1aa71a0cc794d2fea0a68fdc05cc5d0eb9b5fa4bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e46c6c401bc7e91fc32a0abc0d0dd21e5b85b49a5e567d7c2993ed452ff2b6d6
[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" "e46c6c401bc7e91fc32a0abc0d0dd21e5b85b49a5e567d7c2993ed452ff2b6d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/take_ref-e362b71b4025bd6a
[INFO] [stderr]    Doc-tests take_ref
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 28) ... ok
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 32) ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 27) ... ok
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 36) ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 35) ... ok
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 24) ... ok
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 7) ... ok
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 7) ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e46c6c401bc7e91fc32a0abc0d0dd21e5b85b49a5e567d7c2993ed452ff2b6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46c6c401bc7e91fc32a0abc0d0dd21e5b85b49a5e567d7c2993ed452ff2b6d6", kill_on_drop: false }`
[INFO] [stdout] e46c6c401bc7e91fc32a0abc0d0dd21e5b85b49a5e567d7c2993ed452ff2b6d6