[INFO] fetching crate kodama-capi 0.2.0...
[INFO] testing kodama-capi-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate kodama-capi 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate kodama-capi 0.2.0
[INFO] finished tweaking crates.io crate kodama-capi 0.2.0
[INFO] tweaked toml for crates.io crate kodama-capi 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kodama-capi 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b260f821fdfca46e649e29a1da78cc7145eb1764ca1c48b09fed5d0855d580e1
[INFO] running `Command { std: "docker" "start" "-a" "b260f821fdfca46e649e29a1da78cc7145eb1764ca1c48b09fed5d0855d580e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b260f821fdfca46e649e29a1da78cc7145eb1764ca1c48b09fed5d0855d580e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b260f821fdfca46e649e29a1da78cc7145eb1764ca1c48b09fed5d0855d580e1", kill_on_drop: false }`
[INFO] [stdout] b260f821fdfca46e649e29a1da78cc7145eb1764ca1c48b09fed5d0855d580e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3559bfc5f4484a350c0f3827217ba171fa07ec3e9355f8c70e2c83e65b75e824
[INFO] running `Command { std: "docker" "start" "-a" "3559bfc5f4484a350c0f3827217ba171fa07ec3e9355f8c70e2c83e65b75e824", kill_on_drop: false }`
[INFO] [stderr]    Compiling kodama v0.3.0
[INFO] [stderr]    Compiling kodama-capi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | / ffi_fn! {
[INFO] [stdout] 58 | |     fn kodama_linkage_double(
[INFO] [stdout] 59 | |         dis: *mut c_double,
[INFO] [stdout] 60 | |         observations: size_t,
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:84:1
[INFO] [stdout]     |
[INFO] [stdout]  84 | / ffi_fn! {
[INFO] [stdout]  85 | |     fn kodama_linkage_float(
[INFO] [stdout]  86 | |         dis: *mut c_float,
[INFO] [stdout]  87 | |         observations: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | / ffi_fn! {
[INFO] [stdout] 112 | |     fn kodama_dendrogram_free(
[INFO] [stdout] 113 | |         dend: *mut kodama_dendrogram,
[INFO] [stdout] 114 | |     ) {
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / ffi_fn! {
[INFO] [stdout] 120 | |     fn kodama_dendrogram_len(
[INFO] [stdout] 121 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 122 | |     ) -> size_t {
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | / ffi_fn! {
[INFO] [stdout] 129 | |     fn kodama_dendrogram_observations(
[INFO] [stdout] 130 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 131 | |     ) -> size_t {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:137:1
[INFO] [stdout]     |
[INFO] [stdout] 137 | / ffi_fn! {
[INFO] [stdout] 138 | |     fn kodama_dendrogram_steps(
[INFO] [stdout] 139 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 140 | |     ) -> *const kodama_step {
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         unsafe { Box::from_raw(dend); }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         unsafe { let _ = Box::from_raw(dend); }
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "3559bfc5f4484a350c0f3827217ba171fa07ec3e9355f8c70e2c83e65b75e824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3559bfc5f4484a350c0f3827217ba171fa07ec3e9355f8c70e2c83e65b75e824", kill_on_drop: false }`
[INFO] [stdout] 3559bfc5f4484a350c0f3827217ba171fa07ec3e9355f8c70e2c83e65b75e824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d986d3c8b8b1e3fc2be04c3604e149320a0397af544f17c8e0a2971f548435
[INFO] running `Command { std: "docker" "start" "-a" "c9d986d3c8b8b1e3fc2be04c3604e149320a0397af544f17c8e0a2971f548435", kill_on_drop: false }`
[INFO] [stderr]    Compiling kodama-capi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | / ffi_fn! {
[INFO] [stdout] 58 | |     fn kodama_linkage_double(
[INFO] [stdout] 59 | |         dis: *mut c_double,
[INFO] [stdout] 60 | |         observations: size_t,
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:84:1
[INFO] [stdout]     |
[INFO] [stdout]  84 | / ffi_fn! {
[INFO] [stdout]  85 | |     fn kodama_linkage_float(
[INFO] [stdout]  86 | |         dis: *mut c_float,
[INFO] [stdout]  87 | |         observations: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | / ffi_fn! {
[INFO] [stdout] 112 | |     fn kodama_dendrogram_free(
[INFO] [stdout] 113 | |         dend: *mut kodama_dendrogram,
[INFO] [stdout] 114 | |     ) {
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / ffi_fn! {
[INFO] [stdout] 120 | |     fn kodama_dendrogram_len(
[INFO] [stdout] 121 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 122 | |     ) -> size_t {
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | / ffi_fn! {
[INFO] [stdout] 129 | |     fn kodama_dendrogram_observations(
[INFO] [stdout] 130 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 131 | |     ) -> size_t {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:137:1
[INFO] [stdout]     |
[INFO] [stdout] 137 | / ffi_fn! {
[INFO] [stdout] 138 | |     fn kodama_dendrogram_steps(
[INFO] [stdout] 139 | |         dend: *const kodama_dendrogram,
[INFO] [stdout] 140 | |     ) -> *const kodama_step {
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         unsafe { Box::from_raw(dend); }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         unsafe { let _ = Box::from_raw(dend); }
[INFO] [stdout]     |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "c9d986d3c8b8b1e3fc2be04c3604e149320a0397af544f17c8e0a2971f548435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d986d3c8b8b1e3fc2be04c3604e149320a0397af544f17c8e0a2971f548435", kill_on_drop: false }`
[INFO] [stdout] c9d986d3c8b8b1e3fc2be04c3604e149320a0397af544f17c8e0a2971f548435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59c712d1f29c0a7f234544e3947e929e0181b385592b7a6c4c404f61db4b1919
[INFO] running `Command { std: "docker" "start" "-a" "59c712d1f29c0a7f234544e3947e929e0181b385592b7a6c4c404f61db4b1919", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/macros.rs:7:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | / ffi_fn! {
[INFO] [stderr] 58 | |     fn kodama_linkage_double(
[INFO] [stderr] 59 | |         dis: *mut c_double,
[INFO] [stderr] 60 | |         observations: size_t,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/macros.rs:7:13
[INFO] [stderr]     |
[INFO] [stderr]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:84:1
[INFO] [stderr]     |
[INFO] [stderr]  84 | / ffi_fn! {
[INFO] [stderr]  85 | |     fn kodama_linkage_float(
[INFO] [stderr]  86 | |         dis: *mut c_float,
[INFO] [stderr]  87 | |         observations: size_t,
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/macros.rs:7:13
[INFO] [stderr]     |
[INFO] [stderr]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | / ffi_fn! {
[INFO] [stderr] 112 | |     fn kodama_dendrogram_free(
[INFO] [stderr] 113 | |         dend: *mut kodama_dendrogram,
[INFO] [stderr] 114 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/macros.rs:7:13
[INFO] [stderr]     |
[INFO] [stderr]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / ffi_fn! {
[INFO] [stderr] 120 | |     fn kodama_dendrogram_len(
[INFO] [stderr] 121 | |         dend: *const kodama_dendrogram,
[INFO] [stderr] 122 | |     ) -> size_t {
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/macros.rs:7:13
[INFO] [stderr]     |
[INFO] [stderr]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | / ffi_fn! {
[INFO] [stderr] 129 | |     fn kodama_dendrogram_observations(
[INFO] [stderr] 130 | |         dend: *const kodama_dendrogram,
[INFO] [stderr] 131 | |     ) -> size_t {
[INFO] [stderr] ...   |
[INFO] [stderr] 135 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/macros.rs:7:13
[INFO] [stderr]     |
[INFO] [stderr]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | / ffi_fn! {
[INFO] [stderr] 138 | |     fn kodama_dendrogram_steps(
[INFO] [stderr] 139 | |         dend: *const kodama_dendrogram,
[INFO] [stderr] 140 | |     ) -> *const kodama_step {
[INFO] [stderr] ...   |
[INFO] [stderr] 144 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         unsafe { Box::from_raw(dend); }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 115 |         unsafe { let _ = Box::from_raw(dend); }
[INFO] [stderr]     |                  +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `kodama-capi` (lib test) generated 7 warnings (run `cargo fix --lib -p kodama-capi --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kodama-49f0b683f9c51ed8)
[INFO] running `Command { std: "docker" "inspect" "59c712d1f29c0a7f234544e3947e929e0181b385592b7a6c4c404f61db4b1919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c712d1f29c0a7f234544e3947e929e0181b385592b7a6c4c404f61db4b1919", kill_on_drop: false }`
[INFO] [stdout] 59c712d1f29c0a7f234544e3947e929e0181b385592b7a6c4c404f61db4b1919
