[INFO] crate ft2 0.2.0 is already in cache
[INFO] testing ft2-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ft2 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ft2 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ft2 0.2.0
[INFO] finished tweaking crates.io crate ft2 0.2.0
[INFO] tweaked toml for crates.io crate ft2 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] e2c2e2fb73d8061795bddbe5e6ddbb5b431621b5e30dcca0113154e7d308825a
[INFO] running `"docker" "start" "-a" "e2c2e2fb73d8061795bddbe5e6ddbb5b431621b5e30dcca0113154e7d308825a"`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling utf v0.1.5
[INFO] [stderr]    Compiling flags v0.1.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling fallible v0.1.3
[INFO] [stderr]    Compiling null-terminated v0.3.14
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling freetype-sys v0.6.0
[INFO] [stderr]    Compiling ft2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/face.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(form.write_str("Font Face: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `"docker" "inspect" "e2c2e2fb73d8061795bddbe5e6ddbb5b431621b5e30dcca0113154e7d308825a"`
[INFO] running `"docker" "rm" "-f" "e2c2e2fb73d8061795bddbe5e6ddbb5b431621b5e30dcca0113154e7d308825a"`
[INFO] [stdout] e2c2e2fb73d8061795bddbe5e6ddbb5b431621b5e30dcca0113154e7d308825a
[INFO] running `"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" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 8d9dccaadbb74e1cdb9bdeb290e8d2350bbf631f8e0efcbb7a294468a029281a
[INFO] running `"docker" "start" "-a" "8d9dccaadbb74e1cdb9bdeb290e8d2350bbf631f8e0efcbb7a294468a029281a"`
[INFO] [stderr]    Compiling ft2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/face.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(form.write_str("Font Face: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/face.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(form.write_str("Font Face: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::string::String: std::convert::AsRef<null_terminated::Nul<u8>>` is not satisfied
[INFO] [stderr]   --> examples/glyph_outline.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let face = library.new_face(font, 0).unwrap();
[INFO] [stderr]    |                                 ^^^^ the trait `std::convert::AsRef<null_terminated::Nul<u8>>` is not implemented for `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::string::String as std::convert::AsRef<[u8]>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<std::ffi::OsStr>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<std::path::Path>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<str>>
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::AsRef<null_terminated::Nul<u8>>` for `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::string::String: std::convert::AsRef<null_terminated::Nul<u8>>` is not satisfied
[INFO] [stderr]   --> examples/single_glyph.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let face = library.new_face(font, 0).unwrap();
[INFO] [stderr]    |                                 ^^^^ the trait `std::convert::AsRef<null_terminated::Nul<u8>>` is not implemented for `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::string::String as std::convert::AsRef<[u8]>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<std::ffi::OsStr>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<std::path::Path>>
[INFO] [stderr]              <std::string::String as std::convert::AsRef<str>>
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::AsRef<null_terminated::Nul<u8>>` for `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `ft2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ft2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8d9dccaadbb74e1cdb9bdeb290e8d2350bbf631f8e0efcbb7a294468a029281a"`
[INFO] running `"docker" "rm" "-f" "8d9dccaadbb74e1cdb9bdeb290e8d2350bbf631f8e0efcbb7a294468a029281a"`
[INFO] [stdout] 8d9dccaadbb74e1cdb9bdeb290e8d2350bbf631f8e0efcbb7a294468a029281a