[INFO] crate cow-utils 0.1.2 is already in cache
[INFO] testing cow-utils-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cow-utils 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cow-utils 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ebea0975b029d6ab7e154073b887c73732acd2eca0223e6ae1766076d81e7c
[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" "b3ebea0975b029d6ab7e154073b887c73732acd2eca0223e6ae1766076d81e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ebea0975b029d6ab7e154073b887c73732acd2eca0223e6ae1766076d81e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ebea0975b029d6ab7e154073b887c73732acd2eca0223e6ae1766076d81e7c", kill_on_drop: false }`
[INFO] [stdout] b3ebea0975b029d6ab7e154073b887c73732acd2eca0223e6ae1766076d81e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78219f931435dd7e1b97083c441f85709f98f8be9e948290295115d6710e68f9
[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" "78219f931435dd7e1b97083c441f85709f98f8be9e948290295115d6710e68f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cow-utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "78219f931435dd7e1b97083c441f85709f98f8be9e948290295115d6710e68f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78219f931435dd7e1b97083c441f85709f98f8be9e948290295115d6710e68f9", kill_on_drop: false }`
[INFO] [stdout] 78219f931435dd7e1b97083c441f85709f98f8be9e948290295115d6710e68f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0beb946940929d9aea04a306d617ef28a88ad9457988f40d3185ff09f3f60194
[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" "0beb946940929d9aea04a306d617ef28a88ad9457988f40d3185ff09f3f60194", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling cow-utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "0beb946940929d9aea04a306d617ef28a88ad9457988f40d3185ff09f3f60194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0beb946940929d9aea04a306d617ef28a88ad9457988f40d3185ff09f3f60194", kill_on_drop: false }`
[INFO] [stdout] 0beb946940929d9aea04a306d617ef28a88ad9457988f40d3185ff09f3f60194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ec29a748f0bf22bc353832219b9819d5797c229ca4d14108f4b6e8f3ddb4a8f
[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" "5ec29a748f0bf22bc353832219b9819d5797c229ca4d14108f4b6e8f3ddb4a8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cow_utils-309be44ae00b3f30
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cow-utils
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_uppercase (line 213) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_to_lowercase (line 165) ... 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_to_ascii_lowercase (line 141) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_replace (line 108) ... ok
[INFO] [stdout] test src/lib.rs - &'s str::cow_replacen (line 124) ... 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" "5ec29a748f0bf22bc353832219b9819d5797c229ca4d14108f4b6e8f3ddb4a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec29a748f0bf22bc353832219b9819d5797c229ca4d14108f4b6e8f3ddb4a8f", kill_on_drop: false }`
[INFO] [stdout] 5ec29a748f0bf22bc353832219b9819d5797c229ca4d14108f4b6e8f3ddb4a8f