[INFO] fetching crate bottomless 0.1.16...
[INFO] testing bottomless-0.1.16 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate bottomless 0.1.16 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bottomless 0.1.16 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bottomless 0.1.16
[INFO] finished tweaking crates.io crate bottomless 0.1.16
[INFO] tweaked toml for crates.io crate bottomless 0.1.16 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 193 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding async-compression v0.3.15 (latest: v0.4.10)
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding aws-config v0.52.0 (latest: v1.5.0)
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[INFO] [stderr]       Adding aws-http v0.52.0 (latest: v0.60.5)
[INFO] [stderr]       Adding aws-sdk-s3 v0.22.0 (latest: v1.31.0)
[INFO] [stderr]       Adding aws-sdk-sso v0.22.0 (latest: v1.27.0)
[INFO] [stderr]       Adding aws-sdk-sts v0.22.0 (latest: v1.27.0)
[INFO] [stderr]       Adding aws-sig-auth v0.52.0 (latest: v0.60.3)
[INFO] [stderr]       Adding aws-sigv4 v0.52.1 (latest: v1.2.1)
[INFO] [stderr]       Adding aws-smithy-async v0.52.0 (latest: v1.2.1)
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[INFO] [stderr]       Adding aws-smithy-http v0.52.0 (latest: v0.60.8)
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[INFO] [stderr]       Adding aws-smithy-xml v0.52.0 (latest: v0.60.8)
[INFO] [stderr]       Adding aws-types v0.52.0 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
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[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
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[INFO] [stderr]       Adding rustls v0.20.9 (latest: v0.23.8)
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[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.2)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding tokio-rustls v0.23.4 (latest: v0.26.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.22.6 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-types v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-async v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-query v0.52.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.22.0
[INFO] [stderr]   Downloaded aws-sdk-sts v0.22.0
[INFO] [stderr]   Downloaded aws-config v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.52.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.22.0
[INFO] [stderr]   Downloaded aws-endpoint v0.52.0
[INFO] [stderr]   Downloaded aws-http v0.52.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.52.1
[INFO] [stderr]   Downloaded crc32c v0.6.5
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.52.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7044baacd80599d1a29a496a68302ff416376398ad0a24e099b3e9d0da55d231
[INFO] running `Command { std: "docker" "start" "-a" "7044baacd80599d1a29a496a68302ff416376398ad0a24e099b3e9d0da55d231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7044baacd80599d1a29a496a68302ff416376398ad0a24e099b3e9d0da55d231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7044baacd80599d1a29a496a68302ff416376398ad0a24e099b3e9d0da55d231", kill_on_drop: false }`
[INFO] [stdout] 7044baacd80599d1a29a496a68302ff416376398ad0a24e099b3e9d0da55d231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735b7e818f5b67eecc4c82508f72edf9565114041c486cdef40241d8dabd5136
[INFO] running `Command { std: "docker" "start" "-a" "735b7e818f5b67eecc4c82508f72edf9565114041c486cdef40241d8dabd5136", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling bytes-utils v0.1.4
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling aws-types v0.52.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling crc32c v0.6.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling aws-smithy-xml v0.52.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling aws-smithy-types v0.52.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling aws-smithy-eventstream v0.52.0
[INFO] [stderr]    Compiling aws-smithy-query v0.52.0
[INFO] [stderr]    Compiling aws-smithy-json v0.52.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling async-compression v0.3.15
[INFO] [stderr]    Compiling aws-smithy-async v0.52.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling aws-smithy-http v0.52.0
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling aws-smithy-http-tower v0.52.0
[INFO] [stderr]    Compiling aws-sigv4 v0.52.1
[INFO] [stderr]    Compiling aws-smithy-checksums v0.52.0
[INFO] [stderr]    Compiling aws-smithy-client v0.52.0
[INFO] [stderr]    Compiling aws-sig-auth v0.52.0
[INFO] [stderr]    Compiling aws-endpoint v0.52.0
[INFO] [stderr]    Compiling aws-http v0.52.0
[INFO] [stderr]    Compiling aws-sdk-sts v0.22.0
[INFO] [stderr]    Compiling aws-sdk-sso v0.22.0
[INFO] [stderr]    Compiling aws-sdk-s3 v0.22.0
[INFO] [stderr]    Compiling aws-config v0.52.0
[INFO] [stderr]    Compiling bottomless v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.56s
[INFO] running `Command { std: "docker" "inspect" "735b7e818f5b67eecc4c82508f72edf9565114041c486cdef40241d8dabd5136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735b7e818f5b67eecc4c82508f72edf9565114041c486cdef40241d8dabd5136", kill_on_drop: false }`
[INFO] [stdout] 735b7e818f5b67eecc4c82508f72edf9565114041c486cdef40241d8dabd5136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c280306bf9f621a9c090a06f689d2f68039e803f6d59c1933c7c17225e96cff
[INFO] running `Command { std: "docker" "start" "-a" "6c280306bf9f621a9c090a06f689d2f68039e803f6d59c1933c7c17225e96cff", kill_on_drop: false }`
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bottomless v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.40s
[INFO] running `Command { std: "docker" "inspect" "6c280306bf9f621a9c090a06f689d2f68039e803f6d59c1933c7c17225e96cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c280306bf9f621a9c090a06f689d2f68039e803f6d59c1933c7c17225e96cff", kill_on_drop: false }`
[INFO] [stdout] 6c280306bf9f621a9c090a06f689d2f68039e803f6d59c1933c7c17225e96cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26548adea241dd7b96a20ecfe5c01e98211a7cbc5afd724677a6b3b750f11d37
[INFO] running `Command { std: "docker" "start" "-a" "26548adea241dd7b96a20ecfe5c01e98211a7cbc5afd724677a6b3b750f11d37", kill_on_drop: false }`
[INFO] [stderr] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stderr]    --> src/lib.rs:332:27
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stderr]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stderr]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bottomless` (lib) generated 1 warning
[INFO] [stderr] warning: `bottomless` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bottomless-13e6a3e0234d81c6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bottomless
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26548adea241dd7b96a20ecfe5c01e98211a7cbc5afd724677a6b3b750f11d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26548adea241dd7b96a20ecfe5c01e98211a7cbc5afd724677a6b3b750f11d37", kill_on_drop: false }`
[INFO] [stdout] 26548adea241dd7b96a20ecfe5c01e98211a7cbc5afd724677a6b3b750f11d37
[INFO] testing bottomless-0.1.16 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate bottomless 0.1.16 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bottomless 0.1.16 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bottomless 0.1.16
[INFO] finished tweaking crates.io crate bottomless 0.1.16
[INFO] tweaked toml for crates.io crate bottomless 0.1.16 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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 193 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding async-compression v0.3.15 (latest: v0.4.10)
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding aws-config v0.52.0 (latest: v1.5.0)
[INFO] [stderr]       Adding aws-endpoint v0.52.0 (latest: v0.60.3)
[INFO] [stderr]       Adding aws-http v0.52.0 (latest: v0.60.5)
[INFO] [stderr]       Adding aws-sdk-s3 v0.22.0 (latest: v1.31.0)
[INFO] [stderr]       Adding aws-sdk-sso v0.22.0 (latest: v1.27.0)
[INFO] [stderr]       Adding aws-sdk-sts v0.22.0 (latest: v1.27.0)
[INFO] [stderr]       Adding aws-sig-auth v0.52.0 (latest: v0.60.3)
[INFO] [stderr]       Adding aws-sigv4 v0.52.1 (latest: v1.2.1)
[INFO] [stderr]       Adding aws-smithy-async v0.52.0 (latest: v1.2.1)
[INFO] [stderr]       Adding aws-smithy-checksums v0.52.0 (latest: v0.60.8)
[INFO] [stderr]       Adding aws-smithy-client v0.52.0 (latest: v0.60.3)
[INFO] [stderr]       Adding aws-smithy-eventstream v0.52.0 (latest: v0.60.4)
[INFO] [stderr]       Adding aws-smithy-http v0.52.0 (latest: v0.60.8)
[INFO] [stderr]       Adding aws-smithy-http-tower v0.52.0 (latest: v0.60.3)
[INFO] [stderr]       Adding aws-smithy-json v0.52.0 (latest: v0.60.7)
[INFO] [stderr]       Adding aws-smithy-query v0.52.0 (latest: v0.60.7)
[INFO] [stderr]       Adding aws-smithy-types v0.52.0 (latest: v1.1.10)
[INFO] [stderr]       Adding aws-smithy-xml v0.52.0 (latest: v0.60.8)
[INFO] [stderr]       Adding aws-types v0.52.0 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding base64-simd v0.7.0 (latest: v0.8.0)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.5)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.3.1)
[INFO] [stderr]       Adding hyper-rustls v0.23.2 (latest: v0.27.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding outref v0.1.0 (latest: v0.5.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.20.9 (latest: v0.23.8)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.2)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding tokio-rustls v0.23.4 (latest: v0.26.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.22.6 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae0cc8251bd8bb3473b67fc3fa014f528a0c1637e1cdbca13e066b90b0674a4a
[INFO] running `Command { std: "docker" "start" "-a" "ae0cc8251bd8bb3473b67fc3fa014f528a0c1637e1cdbca13e066b90b0674a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae0cc8251bd8bb3473b67fc3fa014f528a0c1637e1cdbca13e066b90b0674a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0cc8251bd8bb3473b67fc3fa014f528a0c1637e1cdbca13e066b90b0674a4a", kill_on_drop: false }`
[INFO] [stdout] ae0cc8251bd8bb3473b67fc3fa014f528a0c1637e1cdbca13e066b90b0674a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fcece223ce07fb2cd00aec12d9fcf3d759e8b125ded881d909715e580635f2a
[INFO] running `Command { std: "docker" "start" "-a" "0fcece223ce07fb2cd00aec12d9fcf3d759e8b125ded881d909715e580635f2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling bytes-utils v0.1.4
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling aws-types v0.52.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling crc32c v0.6.5
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling aws-smithy-xml v0.52.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling aws-smithy-types v0.52.0
[INFO] [stderr]    Compiling aws-smithy-eventstream v0.52.0
[INFO] [stderr]    Compiling aws-smithy-query v0.52.0
[INFO] [stderr]    Compiling aws-smithy-json v0.52.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling async-compression v0.3.15
[INFO] [stderr]    Compiling aws-smithy-async v0.52.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling aws-smithy-http v0.52.0
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling aws-smithy-http-tower v0.52.0
[INFO] [stderr]    Compiling aws-sigv4 v0.52.1
[INFO] [stderr]    Compiling aws-smithy-checksums v0.52.0
[INFO] [stderr]    Compiling aws-smithy-client v0.52.0
[INFO] [stderr]    Compiling aws-endpoint v0.52.0
[INFO] [stderr]    Compiling aws-sig-auth v0.52.0
[INFO] [stderr]    Compiling aws-http v0.52.0
[INFO] [stderr]    Compiling aws-sdk-sts v0.22.0
[INFO] [stderr]    Compiling aws-sdk-sso v0.22.0
[INFO] [stderr]    Compiling aws-sdk-s3 v0.22.0
[INFO] [stderr]    Compiling aws-config v0.52.0
[INFO] [stderr]    Compiling bottomless v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.55s
[INFO] running `Command { std: "docker" "inspect" "0fcece223ce07fb2cd00aec12d9fcf3d759e8b125ded881d909715e580635f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcece223ce07fb2cd00aec12d9fcf3d759e8b125ded881d909715e580635f2a", kill_on_drop: false }`
[INFO] [stdout] 0fcece223ce07fb2cd00aec12d9fcf3d759e8b125ded881d909715e580635f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b104f068499450e9e7aa510af00ff69d0824b03fd7bd70cabba6c2dec2cb76c
[INFO] running `Command { std: "docker" "start" "-a" "7b104f068499450e9e7aa510af00ff69d0824b03fd7bd70cabba6c2dec2cb76c", kill_on_drop: false }`
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bottomless v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stdout]    --> src/lib.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stdout]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "7b104f068499450e9e7aa510af00ff69d0824b03fd7bd70cabba6c2dec2cb76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b104f068499450e9e7aa510af00ff69d0824b03fd7bd70cabba6c2dec2cb76c", kill_on_drop: false }`
[INFO] [stdout] 7b104f068499450e9e7aa510af00ff69d0824b03fd7bd70cabba6c2dec2cb76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faffbac1dbc78b9c5d98d66543f2adfc5e9e812b8cc0424bd78d3bb3d565bc11
[INFO] running `Command { std: "docker" "start" "-a" "faffbac1dbc78b9c5d98d66543f2adfc5e9e812b8cc0424bd78d3bb3d565bc11", kill_on_drop: false }`
[INFO] [stderr] warning: function pointers are not nullable, so checking them for null will always return false
[INFO] [stderr]    --> src/lib.rs:332:27
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let busy_handler = if (busy_handler as *const c_void).is_null() {
[INFO] [stderr]     |                           ^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expression has type `extern "C" fn(*mut c_void) -> i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
[INFO] [stderr]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bottomless` (lib) generated 1 warning
[INFO] [stderr] warning: `bottomless` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bottomless-13e6a3e0234d81c6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bottomless
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faffbac1dbc78b9c5d98d66543f2adfc5e9e812b8cc0424bd78d3bb3d565bc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faffbac1dbc78b9c5d98d66543f2adfc5e9e812b8cc0424bd78d3bb3d565bc11", kill_on_drop: false }`
[INFO] [stdout] faffbac1dbc78b9c5d98d66543f2adfc5e9e812b8cc0424bd78d3bb3d565bc11
