[INFO] fetching crate take_ref 0.2.0...
[INFO] testing take_ref-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate take_ref 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate take_ref 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3cd3883b9f2acf381b3a35b49ec2dbfe22788e7b0a32468eda9ee6c3c20446
[INFO] running `Command { std: "docker" "start" "-a" "bd3cd3883b9f2acf381b3a35b49ec2dbfe22788e7b0a32468eda9ee6c3c20446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3cd3883b9f2acf381b3a35b49ec2dbfe22788e7b0a32468eda9ee6c3c20446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3cd3883b9f2acf381b3a35b49ec2dbfe22788e7b0a32468eda9ee6c3c20446", kill_on_drop: false }`
[INFO] [stdout] bd3cd3883b9f2acf381b3a35b49ec2dbfe22788e7b0a32468eda9ee6c3c20446
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6389965bc6b908de2ab6dd7d9c3ec5c15ea3a33276084b8f9ac9e36e2806f3e
[INFO] running `Command { std: "docker" "start" "-a" "d6389965bc6b908de2ab6dd7d9c3ec5c15ea3a33276084b8f9ac9e36e2806f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d6389965bc6b908de2ab6dd7d9c3ec5c15ea3a33276084b8f9ac9e36e2806f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6389965bc6b908de2ab6dd7d9c3ec5c15ea3a33276084b8f9ac9e36e2806f3e", kill_on_drop: false }`
[INFO] [stdout] d6389965bc6b908de2ab6dd7d9c3ec5c15ea3a33276084b8f9ac9e36e2806f3e
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db0d2d3cbf499b64a548bfde2893a2b256154d35f2cf33fcf2ef6f8949988059
[INFO] running `Command { std: "docker" "start" "-a" "db0d2d3cbf499b64a548bfde2893a2b256154d35f2cf33fcf2ef6f8949988059", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_ref v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "db0d2d3cbf499b64a548bfde2893a2b256154d35f2cf33fcf2ef6f8949988059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0d2d3cbf499b64a548bfde2893a2b256154d35f2cf33fcf2ef6f8949988059", kill_on_drop: false }`
[INFO] [stdout] db0d2d3cbf499b64a548bfde2893a2b256154d35f2cf33fcf2ef6f8949988059
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 964cca6483bf2eb6c322ef7834cd858180bc5d95483e922fa31ac43b56cb73b5
[INFO] running `Command { std: "docker" "start" "-a" "964cca6483bf2eb6c322ef7834cd858180bc5d95483e922fa31ac43b56cb73b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/take_ref-f4ad84404e73752d)
[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] [stderr]    Doc-tests take_ref
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 32) - compile fail ... ok
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 36) - compile fail ... ok
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 28) - compile fail ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 27) - compile fail ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 35) - compile fail ... ok
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 24) - compile fail ... ok
[INFO] [stdout] test src/take_string.rs - take_string::TakeString (line 9) ... ok
[INFO] [stdout] test src/take_ref.rs - take_ref::TakeRef (line 7) ... ok
[INFO] [stdout] test src/take_slice.rs - take_slice::TakeSlice (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "964cca6483bf2eb6c322ef7834cd858180bc5d95483e922fa31ac43b56cb73b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964cca6483bf2eb6c322ef7834cd858180bc5d95483e922fa31ac43b56cb73b5", kill_on_drop: false }`
[INFO] [stdout] 964cca6483bf2eb6c322ef7834cd858180bc5d95483e922fa31ac43b56cb73b5