[INFO] fetching crate string_utils 0.1.4...
[INFO] testing string_utils-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate string_utils 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate string_utils 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string_utils 0.1.4
[INFO] finished tweaking crates.io crate string_utils 0.1.4
[INFO] tweaked toml for crates.io crate string_utils 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded vector_utils v0.1.5
[INFO] [stderr]   Downloaded permutation v0.2.5
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a3df46996308cef02ca50c2bbaec6a60150d819a9b0e52d5eaceef9fdfb852e
[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" "5a3df46996308cef02ca50c2bbaec6a60150d819a9b0e52d5eaceef9fdfb852e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3df46996308cef02ca50c2bbaec6a60150d819a9b0e52d5eaceef9fdfb852e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3df46996308cef02ca50c2bbaec6a60150d819a9b0e52d5eaceef9fdfb852e", kill_on_drop: false }`
[INFO] [stdout] 5a3df46996308cef02ca50c2bbaec6a60150d819a9b0e52d5eaceef9fdfb852e
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235a1db9a8e452e5e7960198b953c98a3d1022dd183ca7f4fa0d7d8a368f8e95
[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" "235a1db9a8e452e5e7960198b953c98a3d1022dd183ca7f4fa0d7d8a368f8e95", kill_on_drop: false }`
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling vector_utils v0.1.5
[INFO] [stderr]    Compiling string_utils v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "235a1db9a8e452e5e7960198b953c98a3d1022dd183ca7f4fa0d7d8a368f8e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235a1db9a8e452e5e7960198b953c98a3d1022dd183ca7f4fa0d7d8a368f8e95", kill_on_drop: false }`
[INFO] [stdout] 235a1db9a8e452e5e7960198b953c98a3d1022dd183ca7f4fa0d7d8a368f8e95
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] ce1d358774f4a4976765969bf86524b5342cb72f277f54d57f75d580d76f49c1
[INFO] running `Command { std: "docker" "start" "-a" "ce1d358774f4a4976765969bf86524b5342cb72f277f54d57f75d580d76f49c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_utils v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ce1d358774f4a4976765969bf86524b5342cb72f277f54d57f75d580d76f49c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1d358774f4a4976765969bf86524b5342cb72f277f54d57f75d580d76f49c1", kill_on_drop: false }`
[INFO] [stdout] ce1d358774f4a4976765969bf86524b5342cb72f277f54d57f75d580d76f49c1
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be155eb725ac5bb434375083eb1ab712e96caca2dd936ecb6688dca34c67554b
[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" "be155eb725ac5bb434375083eb1ab712e96caca2dd936ecb6688dca34c67554b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_utils-7e98e9b9ed68f599)
[INFO] [stderr]    Doc-tests string_utils
[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 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] running `Command { std: "docker" "inspect" "be155eb725ac5bb434375083eb1ab712e96caca2dd936ecb6688dca34c67554b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be155eb725ac5bb434375083eb1ab712e96caca2dd936ecb6688dca34c67554b", kill_on_drop: false }`
[INFO] [stdout] be155eb725ac5bb434375083eb1ab712e96caca2dd936ecb6688dca34c67554b