[INFO] fetching crate file-utils 0.1.5...
[INFO] testing file-utils-0.1.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate file-utils 0.1.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate file-utils 0.1.5 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate file-utils 0.1.5
[INFO] finished tweaking crates.io crate file-utils 0.1.5
[INFO] tweaked toml for crates.io crate file-utils 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05dfcbbbd270e34477126d93cc0833682542517a9bdb5fa92645b7ac71f839c1
[INFO] running `"docker" "start" "-a" "05dfcbbbd270e34477126d93cc0833682542517a9bdb5fa92645b7ac71f839c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "05dfcbbbd270e34477126d93cc0833682542517a9bdb5fa92645b7ac71f839c1"`
[INFO] running `"docker" "rm" "-f" "05dfcbbbd270e34477126d93cc0833682542517a9bdb5fa92645b7ac71f839c1"`
[INFO] [stdout] 05dfcbbbd270e34477126d93cc0833682542517a9bdb5fa92645b7ac71f839c1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de3d1d16103421ccccb46cb73a8265d29e0dc7ca7380dc5eaf7213b8190e9b74
[INFO] running `"docker" "start" "-a" "de3d1d16103421ccccb46cb73a8265d29e0dc7ca7380dc5eaf7213b8190e9b74"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file-utils v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `file_utils::write::Write`
[INFO] [stderr]  --> tests/read_tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use file_utils::write::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "de3d1d16103421ccccb46cb73a8265d29e0dc7ca7380dc5eaf7213b8190e9b74"`
[INFO] running `"docker" "rm" "-f" "de3d1d16103421ccccb46cb73a8265d29e0dc7ca7380dc5eaf7213b8190e9b74"`
[INFO] [stdout] de3d1d16103421ccccb46cb73a8265d29e0dc7ca7380dc5eaf7213b8190e9b74
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 086c6e8e6f05dc032ec1e67c77dd771027bd738085e9d42a12eaf0da82dd06eb
[INFO] running `"docker" "start" "-a" "086c6e8e6f05dc032ec1e67c77dd771027bd738085e9d42a12eaf0da82dd06eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `file_utils::write::Write`
[INFO] [stderr]  --> tests/read_tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use file_utils::write::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_utils-1c9a7f738060a115
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/conversions-4176ae1392244c43
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test b_to_f ... ok
[INFO] [stdout] test b_to_s3 ... ok
[INFO] [stdout] test b_to_s2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read_tests-29cc30a8c397bc83
[INFO] [stdout] test b_to_s1 ... 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 1 test
[INFO] [stdout] test reading ... ok
[INFO] [stderr]    Doc-tests file-utils
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 `"docker" "inspect" "086c6e8e6f05dc032ec1e67c77dd771027bd738085e9d42a12eaf0da82dd06eb"`
[INFO] running `"docker" "rm" "-f" "086c6e8e6f05dc032ec1e67c77dd771027bd738085e9d42a12eaf0da82dd06eb"`
[INFO] [stdout] 086c6e8e6f05dc032ec1e67c77dd771027bd738085e9d42a12eaf0da82dd06eb