[INFO] fetching crate cow-utils 0.1.2...
[INFO] testing cow-utils-0.1.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate cow-utils 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cow-utils 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cow-utils 0.1.2
[INFO] finished tweaking crates.io crate cow-utils 0.1.2
[INFO] tweaked toml for crates.io crate cow-utils 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f8d0b71fdccd56595d65b7a4d87f79aa7fd8b6588bc7fd16ecac63ed4770d5d
[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" "6f8d0b71fdccd56595d65b7a4d87f79aa7fd8b6588bc7fd16ecac63ed4770d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f8d0b71fdccd56595d65b7a4d87f79aa7fd8b6588bc7fd16ecac63ed4770d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8d0b71fdccd56595d65b7a4d87f79aa7fd8b6588bc7fd16ecac63ed4770d5d", kill_on_drop: false }`
[INFO] [stdout] 6f8d0b71fdccd56595d65b7a4d87f79aa7fd8b6588bc7fd16ecac63ed4770d5d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c792543ba21ba6e2062e1f9bb8e9e7096a08961c4a8a258c2ed634008a53ba0d
[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" "c792543ba21ba6e2062e1f9bb8e9e7096a08961c4a8a258c2ed634008a53ba0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cow-utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "c792543ba21ba6e2062e1f9bb8e9e7096a08961c4a8a258c2ed634008a53ba0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c792543ba21ba6e2062e1f9bb8e9e7096a08961c4a8a258c2ed634008a53ba0d", kill_on_drop: false }`
[INFO] [stdout] c792543ba21ba6e2062e1f9bb8e9e7096a08961c4a8a258c2ed634008a53ba0d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] d28f77eaf4409ca8310b70138e0f3dcfb174059277762a251240a246930ba711
[INFO] running `Command { std: "docker" "start" "-a" "d28f77eaf4409ca8310b70138e0f3dcfb174059277762a251240a246930ba711", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.4.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling cow-utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.91s
[INFO] running `Command { std: "docker" "inspect" "d28f77eaf4409ca8310b70138e0f3dcfb174059277762a251240a246930ba711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28f77eaf4409ca8310b70138e0f3dcfb174059277762a251240a246930ba711", kill_on_drop: false }`
[INFO] [stdout] d28f77eaf4409ca8310b70138e0f3dcfb174059277762a251240a246930ba711
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 316e239cf0bd8cc36d041d15d45c261347143af6af7285812c95b724e6c45e14
[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" "316e239cf0bd8cc36d041d15d45c261347143af6af7285812c95b724e6c45e14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cow_utils-f849ea861ba5451e
[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] [stderr]    Doc-tests cow-utils
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_ascii_lowercase (line 141) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_uppercase (line 213) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_ascii_uppercase (line 189) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_replacen (line 124) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_replace (line 108) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_lowercase (line 165) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "316e239cf0bd8cc36d041d15d45c261347143af6af7285812c95b724e6c45e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316e239cf0bd8cc36d041d15d45c261347143af6af7285812c95b724e6c45e14", kill_on_drop: false }`
[INFO] [stdout] 316e239cf0bd8cc36d041d15d45c261347143af6af7285812c95b724e6c45e14
