[INFO] fetching crate ft2 0.2.0...
[INFO] checking ft2-0.2.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate ft2 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ft2 0.2.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 845ab190100622f085e37e889c241e212c8f7ed221081fa40f60aa22282ae225
[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" "845ab190100622f085e37e889c241e212c8f7ed221081fa40f60aa22282ae225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845ab190100622f085e37e889c241e212c8f7ed221081fa40f60aa22282ae225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845ab190100622f085e37e889c241e212c8f7ed221081fa40f60aa22282ae225", kill_on_drop: false }`
[INFO] [stdout] 845ab190100622f085e37e889c241e212c8f7ed221081fa40f60aa22282ae225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--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] 6c18ab2c874d50fc3a719a40ca0639fdc9af1cf68f7ab0280e466b546d2b17fb
[INFO] running `Command { std: "docker" "start" "-a" "6c18ab2c874d50fc3a719a40ca0639fdc9af1cf68f7ab0280e466b546d2b17fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking utf v0.1.5
[INFO] [stderr]     Checking flags v0.1.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking null-terminated v0.3.14
[INFO] [stderr]    Compiling freetype-sys v0.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling libz-sys v1.1.2
[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 `String: 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 `AsRef<null_terminated::Nul<u8>>` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <String as AsRef<OsStr>>
[INFO] [stdout]              <String as AsRef<Path>>
[INFO] [stdout]              <String as AsRef<[u8]>>
[INFO] [stdout]              <String as AsRef<str>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `AsRef<null_terminated::Nul<u8>>` for `&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 `String: 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 `AsRef<null_terminated::Nul<u8>>` is not implemented for `String`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <String as AsRef<OsStr>>
[INFO] [stdout]              <String as AsRef<Path>>
[INFO] [stdout]              <String as AsRef<[u8]>>
[INFO] [stdout]              <String as AsRef<str>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `AsRef<null_terminated::Nul<u8>>` for `&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" "6c18ab2c874d50fc3a719a40ca0639fdc9af1cf68f7ab0280e466b546d2b17fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c18ab2c874d50fc3a719a40ca0639fdc9af1cf68f7ab0280e466b546d2b17fb", kill_on_drop: false }`
[INFO] [stdout] 6c18ab2c874d50fc3a719a40ca0639fdc9af1cf68f7ab0280e466b546d2b17fb