[INFO] fetching crate kodama-capi 0.2.0...
[INFO] checking kodama-capi-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate kodama-capi 0.2.0 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kodama-capi 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kodama v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d333503cf13909f45262475f2a06f086731f7862dfadda94fad9a0623004d4b0
[INFO] running `Command { std: "docker" "start" "-a" "d333503cf13909f45262475f2a06f086731f7862dfadda94fad9a0623004d4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d333503cf13909f45262475f2a06f086731f7862dfadda94fad9a0623004d4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d333503cf13909f45262475f2a06f086731f7862dfadda94fad9a0623004d4b0", kill_on_drop: false }`
[INFO] [stdout] d333503cf13909f45262475f2a06f086731f7862dfadda94fad9a0623004d4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8507755a7c6ec7ed62f27eba876358ad06d7fa1fc69c9d66dcb111cc456091
[INFO] running `Command { std: "docker" "start" "-a" "2c8507755a7c6ec7ed62f27eba876358ad06d7fa1fc69c9d66dcb111cc456091", kill_on_drop: false }`
[INFO] [stderr]     Checking kodama v0.3.0
[INFO] [stderr]     Checking 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: `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)]` 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] [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)]` 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 0.58s
[INFO] running `Command { std: "docker" "inspect" "2c8507755a7c6ec7ed62f27eba876358ad06d7fa1fc69c9d66dcb111cc456091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8507755a7c6ec7ed62f27eba876358ad06d7fa1fc69c9d66dcb111cc456091", kill_on_drop: false }`
[INFO] [stdout] 2c8507755a7c6ec7ed62f27eba876358ad06d7fa1fc69c9d66dcb111cc456091