[INFO] fetching crate bottomless 0.1.16...
[INFO] testing bottomless-0.1.16 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate bottomless 0.1.16 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bottomless 0.1.16 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 204 packages to latest compatible versions
[INFO] [stderr]       Adding async-compression v0.3.15 (available: v0.4.32)
[INFO] [stderr]       Adding aws-config v0.52.0 (available: v1.8.8)
[INFO] [stderr]       Adding aws-sdk-s3 v0.22.0 (available: v1.108.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-smithy-http v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-async v0.52.0
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[INFO] [stderr]   Downloaded aws-sig-auth v0.52.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.22.0
[INFO] [stderr]   Downloaded async-compression v0.3.15
[INFO] [stderr]   Downloaded aws-sdk-sts v0.22.0
[INFO] [stderr]   Downloaded aws-http v0.52.0
[INFO] [stderr]   Downloaded aws-endpoint v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.52.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.52.1
[INFO] [stderr]   Downloaded aws-config v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream 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-types v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b95157f82f7a9dc795fb24a91d3083dbd530349b1f173fbff1e32f5dad2081e8
[INFO] running `Command { std: "docker" "start" "-a" "b95157f82f7a9dc795fb24a91d3083dbd530349b1f173fbff1e32f5dad2081e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95157f82f7a9dc795fb24a91d3083dbd530349b1f173fbff1e32f5dad2081e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95157f82f7a9dc795fb24a91d3083dbd530349b1f173fbff1e32f5dad2081e8", kill_on_drop: false }`
[INFO] [stdout] b95157f82f7a9dc795fb24a91d3083dbd530349b1f173fbff1e32f5dad2081e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 626bfb38072bf368e6e4fc25cf2089d36fa90d51360595974d991dc1cdc5308c
[INFO] running `Command { std: "docker" "start" "-a" "626bfb38072bf368e6e4fc25cf2089d36fa90d51360595974d991dc1cdc5308c", kill_on_drop: false }`
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling aws-types v0.52.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling aws-smithy-xml v0.52.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling aws-smithy-types v0.52.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling aws-smithy-eventstream v0.52.0
[INFO] [stderr]    Compiling aws-smithy-json v0.52.0
[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 aws-smithy-query v0.52.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[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 pin-project v1.1.10
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling async-compression v0.3.15
[INFO] [stderr]    Compiling aws-smithy-async v0.52.0
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.32
[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-http v0.52.0
[INFO] [stderr]    Compiling aws-endpoint v0.52.0
[INFO] [stderr]    Compiling aws-sig-auth v0.52.0
[INFO] [stderr]    Compiling aws-sdk-sso v0.22.0
[INFO] [stderr]    Compiling aws-sdk-sts 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 20s
[INFO] running `Command { std: "docker" "inspect" "626bfb38072bf368e6e4fc25cf2089d36fa90d51360595974d991dc1cdc5308c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626bfb38072bf368e6e4fc25cf2089d36fa90d51360595974d991dc1cdc5308c", kill_on_drop: false }`
[INFO] [stdout] 626bfb38072bf368e6e4fc25cf2089d36fa90d51360595974d991dc1cdc5308c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6762cd3fe624f3603630aaacdd7e0c5c64562d8d276ac24046fb7642770fc039
[INFO] running `Command { std: "docker" "start" "-a" "6762cd3fe624f3603630aaacdd7e0c5c64562d8d276ac24046fb7642770fc039", 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: 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.47s
[INFO] running `Command { std: "docker" "inspect" "6762cd3fe624f3603630aaacdd7e0c5c64562d8d276ac24046fb7642770fc039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6762cd3fe624f3603630aaacdd7e0c5c64562d8d276ac24046fb7642770fc039", kill_on_drop: false }`
[INFO] [stdout] 6762cd3fe624f3603630aaacdd7e0c5c64562d8d276ac24046fb7642770fc039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8123c861cab6e2ba6852206213a73bac5ead2a3f7749883ee4652db15c60bf71
[INFO] running `Command { std: "docker" "start" "-a" "8123c861cab6e2ba6852206213a73bac5ead2a3f7749883ee4652db15c60bf71", 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-7f282e2fab0ef512)
[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" "8123c861cab6e2ba6852206213a73bac5ead2a3f7749883ee4652db15c60bf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8123c861cab6e2ba6852206213a73bac5ead2a3f7749883ee4652db15c60bf71", kill_on_drop: false }`
[INFO] [stdout] 8123c861cab6e2ba6852206213a73bac5ead2a3f7749883ee4652db15c60bf71