[INFO] fetching crate rust_util 0.6.3...
[INFO] testing rust_util-0.6.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rust_util 0.6.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_util 0.6.3 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 rust_util 0.6.3
[INFO] finished tweaking crates.io crate rust_util 0.6.3
[INFO] tweaked toml for crates.io crate rust_util 0.6.3 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2f7e12e05a48c8dc39a0fb09022bbcd8f37be7ff07600e5cf2657a2f67309ecf
[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" "2f7e12e05a48c8dc39a0fb09022bbcd8f37be7ff07600e5cf2657a2f67309ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f7e12e05a48c8dc39a0fb09022bbcd8f37be7ff07600e5cf2657a2f67309ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7e12e05a48c8dc39a0fb09022bbcd8f37be7ff07600e5cf2657a2f67309ecf", kill_on_drop: false }`
[INFO] [stdout] 2f7e12e05a48c8dc39a0fb09022bbcd8f37be7ff07600e5cf2657a2f67309ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aee64efb07d81a7bcda3b67a32a87282fe2b51da1ab260e710b0863c937203c4
[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" "aee64efb07d81a7bcda3b67a32a87282fe2b51da1ab260e710b0863c937203c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rust_util v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "aee64efb07d81a7bcda3b67a32a87282fe2b51da1ab260e710b0863c937203c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee64efb07d81a7bcda3b67a32a87282fe2b51da1ab260e710b0863c937203c4", kill_on_drop: false }`
[INFO] [stdout] aee64efb07d81a7bcda3b67a32a87282fe2b51da1ab260e710b0863c937203c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccc04207987fc5b66e4115f6101baa9cc6b2402fc4aa4f5f26054cf65a098218
[INFO] running `Command { std: "docker" "start" "-a" "ccc04207987fc5b66e4115f6101baa9cc6b2402fc4aa4f5f26054cf65a098218", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_util v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "ccc04207987fc5b66e4115f6101baa9cc6b2402fc4aa4f5f26054cf65a098218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc04207987fc5b66e4115f6101baa9cc6b2402fc4aa4f5f26054cf65a098218", kill_on_drop: false }`
[INFO] [stdout] ccc04207987fc5b66e4115f6101baa9cc6b2402fc4aa4f5f26054cf65a098218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 79328e600551b11bd036e5cce27daa585230c30ecad11cd13a61a01896f210e1
[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" "79328e600551b11bd036e5cce27daa585230c30ecad11cd13a61a01896f210e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_util-849bd9bcb0773ac0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_util
[INFO] [stdout] running 4 tests
[INFO] [stdout] test util_size::test_parse_size ... ok
[INFO] [stdout] test util_str::test_read_str_to_lines ... ok
[INFO] [stdout] test util_str::test_split_kv ... ok
[INFO] [stdout] test util_size::test_get_display_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79328e600551b11bd036e5cce27daa585230c30ecad11cd13a61a01896f210e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79328e600551b11bd036e5cce27daa585230c30ecad11cd13a61a01896f210e1", kill_on_drop: false }`
[INFO] [stdout] 79328e600551b11bd036e5cce27daa585230c30ecad11cd13a61a01896f210e1