[INFO] crate icodec 0.1.0-alpha.3 is already in cache
[INFO] testing icodec-0.1.0-alpha.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate icodec 0.1.0-alpha.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate icodec 0.1.0-alpha.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icodec 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate icodec 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate icodec 0.1.0-alpha.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 5fef68f11b4f1450d2c83f7e87acceebb0b107dd3c0e2800fe2be6dc7b3f0f2e
[INFO] running `Command { std: "docker" "start" "-a" "5fef68f11b4f1450d2c83f7e87acceebb0b107dd3c0e2800fe2be6dc7b3f0f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fef68f11b4f1450d2c83f7e87acceebb0b107dd3c0e2800fe2be6dc7b3f0f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fef68f11b4f1450d2c83f7e87acceebb0b107dd3c0e2800fe2be6dc7b3f0f2e", kill_on_drop: false }`
[INFO] [stdout] 5fef68f11b4f1450d2c83f7e87acceebb0b107dd3c0e2800fe2be6dc7b3f0f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed5c4a22414d343ef9dc18f993239a0583dc828255e18a2d548598efb1bcedb
[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" "0ed5c4a22414d343ef9dc18f993239a0583dc828255e18a2d548598efb1bcedb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
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[INFO] [stderr]    Compiling float-cmp v0.5.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
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[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling gif v0.10.3
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[INFO] [stderr]    Compiling kurbo v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling harfbuzz-sys v0.5.0
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling harfbuzz_rs v1.1.2
[INFO] [stdout] error[E0425]: cannot find function `hb_ot_font_set_funcs` in crate `hb`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/harfbuzz_rs-1.1.2/src/font.rs:121:17
[INFO] [stdout]      |
[INFO] [stdout] 121  |               hb::hb_ot_font_set_funcs(raw_font);
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `hb_font_set_funcs`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/harfbuzz-sys-0.5.0/src/bindings.rs:2066:5
[INFO] [stdout]      |
[INFO] [stdout] 2066 | /     pub fn hb_font_set_funcs(
[INFO] [stdout] 2067 | |         font: *mut hb_font_t,
[INFO] [stdout] 2068 | |         klass: *mut hb_font_funcs_t,
[INFO] [stdout] 2069 | |         font_data: *mut ::std::os::raw::c_void,
[INFO] [stdout] 2070 | |         destroy: hb_destroy_func_t,
[INFO] [stdout] 2071 | |     );
[INFO] [stdout]      | |______- similarly named function `hb_font_set_funcs` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `harfbuzz_sys::_hb_var_int_t` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/harfbuzz_rs-1.1.2/src/buffer.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     var: hb::hb_var_int_t,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ `harfbuzz_sys::_hb_var_int_t` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `harfbuzz_sys::_hb_var_int_t` doesn't implement `std::fmt::Debug`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/harfbuzz_rs-1.1.2/src/buffer.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     var1: hb::hb_var_int_t,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ `harfbuzz_sys::_hb_var_int_t` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Debug` is not implemented for `harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `&harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]     = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `harfbuzz_sys::_hb_var_int_t` doesn't implement `std::fmt::Debug`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/harfbuzz_rs-1.1.2/src/buffer.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     var2: hb::hb_var_int_t,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ `harfbuzz_sys::_hb_var_int_t` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Debug` is not implemented for `harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `&harfbuzz_sys::_hb_var_int_t`
[INFO] [stdout]     = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `harfbuzz_rs`.
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "0ed5c4a22414d343ef9dc18f993239a0583dc828255e18a2d548598efb1bcedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed5c4a22414d343ef9dc18f993239a0583dc828255e18a2d548598efb1bcedb", kill_on_drop: false }`
[INFO] [stdout] 0ed5c4a22414d343ef9dc18f993239a0583dc828255e18a2d548598efb1bcedb