[INFO] fetching crate ft2 0.2.0...
[INFO] checking ft2-0.2.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ft2 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ft2 0.2.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf v0.1.5
[INFO] [stderr]   Downloaded null-terminated v0.3.14
[INFO] [stderr]   Downloaded flags v0.1.4
[INFO] [stderr]   Downloaded freetype-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068289ba5bb9333bae36f3652a3e16d8c92c0dee707c245b7c84c207c6baee01
[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" "068289ba5bb9333bae36f3652a3e16d8c92c0dee707c245b7c84c207c6baee01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068289ba5bb9333bae36f3652a3e16d8c92c0dee707c245b7c84c207c6baee01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068289ba5bb9333bae36f3652a3e16d8c92c0dee707c245b7c84c207c6baee01", kill_on_drop: false }`
[INFO] [stdout] 068289ba5bb9333bae36f3652a3e16d8c92c0dee707c245b7c84c207c6baee01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8ade6704f50c69ec74fe4e14be095e85e787641846e31cae66cfe9f665345c
[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" "3c8ade6704f50c69ec74fe4e14be095e85e787641846e31cae66cfe9f665345c", kill_on_drop: false }`
[INFO] [stderr]     Checking utf v0.1.5
[INFO] [stderr]     Checking flags v0.1.4
[INFO] [stderr]    Compiling freetype-sys v0.6.0
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking null-terminated v0.3.14
[INFO] [stderr]     Checking ft2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/face.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         try!(form.write_str("Font Face: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/face.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         try!(form.write_str("Font Face: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::string::String: std::convert::AsRef<null_terminated::Nul<u8>>` is not satisfied
[INFO] [stdout]   --> examples/single_glyph.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let face = library.new_face(font, 0).unwrap();
[INFO] [stdout]    |                                 ^^^^ the trait `std::convert::AsRef<null_terminated::Nul<u8>>` is not implemented for `std::string::String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <std::string::String as std::convert::AsRef<[u8]>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<std::ffi::OsStr>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<std::path::Path>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<str>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::AsRef<null_terminated::Nul<u8>>` for `&std::string::String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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] [stdout] error[E0277]: the trait bound `std::string::String: std::convert::AsRef<null_terminated::Nul<u8>>` is not satisfied
[INFO] [stdout]   --> examples/glyph_outline.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let face = library.new_face(font, 0).unwrap();
[INFO] [stdout]    |                                 ^^^^ the trait `std::convert::AsRef<null_terminated::Nul<u8>>` is not implemented for `std::string::String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <std::string::String as std::convert::AsRef<[u8]>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<std::ffi::OsStr>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<std::path::Path>>
[INFO] [stdout]              <std::string::String as std::convert::AsRef<str>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::AsRef<null_terminated::Nul<u8>>` for `&std::string::String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c8ade6704f50c69ec74fe4e14be095e85e787641846e31cae66cfe9f665345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8ade6704f50c69ec74fe4e14be095e85e787641846e31cae66cfe9f665345c", kill_on_drop: false }`
[INFO] [stdout] 3c8ade6704f50c69ec74fe4e14be095e85e787641846e31cae66cfe9f665345c