[INFO] updating cached repository https://github.com/omerbenamram/pyo3-file
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e5f684cca85f92cd2db5d366b8f063b2ea6b9fa
[INFO] testing omerbenamram/pyo3-file against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerbenamram%2Fpyo3-file" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omerbenamram/pyo3-file on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/omerbenamram/pyo3-file
[INFO] finished tweaking git repo https://github.com/omerbenamram/pyo3-file
[INFO] tweaked toml for git repo https://github.com/omerbenamram/pyo3-file written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/omerbenamram/pyo3-file already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 2d0a4d7ba96d5e38be85a03aa25b5613fc77da48632b374b971b6f03ca9712ce
[INFO] running `"docker" "start" "-a" "2d0a4d7ba96d5e38be85a03aa25b5613fc77da48632b374b971b6f03ca9712ce"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.18
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.9.0-alpha.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling pyo3cls v0.9.0-alpha.1
[INFO] [stderr]    Compiling inventory v0.1.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste v0.1.6
[INFO] [stderr]    Compiling indoc v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling pyo3 v0.9.0-alpha.1
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling pyo3-file v0.3.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `"docker" "inspect" "2d0a4d7ba96d5e38be85a03aa25b5613fc77da48632b374b971b6f03ca9712ce"`
[INFO] running `"docker" "rm" "-f" "2d0a4d7ba96d5e38be85a03aa25b5613fc77da48632b374b971b6f03ca9712ce"`
[INFO] [stdout] 2d0a4d7ba96d5e38be85a03aa25b5613fc77da48632b374b971b6f03ca9712ce
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] e1a3e131d0af3aa0b5d6d37af7aa7854c302ebd667765824ebde4d190d4369f7
[INFO] running `"docker" "start" "-a" "e1a3e131d0af3aa0b5d6d37af7aa7854c302ebd667765824ebde4d190d4369f7"`
[INFO] [stderr]    Compiling pyo3-file v0.3.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `"docker" "inspect" "e1a3e131d0af3aa0b5d6d37af7aa7854c302ebd667765824ebde4d190d4369f7"`
[INFO] running `"docker" "rm" "-f" "e1a3e131d0af3aa0b5d6d37af7aa7854c302ebd667765824ebde4d190d4369f7"`
[INFO] [stdout] e1a3e131d0af3aa0b5d6d37af7aa7854c302ebd667765824ebde4d190d4369f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] cd6f31ea3dc5169179685c7cb81e7ca0ccaa3437ec68f386e017e39fb98d1784
[INFO] running `"docker" "start" "-a" "cd6f31ea3dc5169179685c7cb81e7ca0ccaa3437ec68f386e017e39fb98d1784"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pyo3_file-2972890aaf16b160
[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]      Running /opt/rustwide/target/debug/deps/skeptic-a56ac6c78b455f8f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test readme_sect_example_line_29 ... test readme_sect_example_line_29 has been running for over 60 seconds
[INFO] [stderr] warning: unused variable: `py`
[INFO] [stderr]   --> /tmp/rust-skeptic.xtoYwJRCnTib/test.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let py = gil.python();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read`
[INFO] [stderr]   --> /tmp/rust-skeptic.xtoYwJRCnTib/test.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let read = f.read_to_string(&mut string);
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read`
[INFO] [stderr]   --> /tmp/rust-skeptic.xtoYwJRCnTib/test.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let read = f.read_to_string(&mut string);
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] test readme_sect_example_line_29 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pyo3-file
[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" "cd6f31ea3dc5169179685c7cb81e7ca0ccaa3437ec68f386e017e39fb98d1784"`
[INFO] running `"docker" "rm" "-f" "cd6f31ea3dc5169179685c7cb81e7ca0ccaa3437ec68f386e017e39fb98d1784"`
[INFO] [stdout] cd6f31ea3dc5169179685c7cb81e7ca0ccaa3437ec68f386e017e39fb98d1784