[INFO] fetching crate libmimalloc-sys2 0.1.50...
[INFO] testing libmimalloc-sys2-0.1.50 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libmimalloc-sys2 0.1.50 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libmimalloc-sys2 0.1.50
[INFO] finished tweaking crates.io crate libmimalloc-sys2 0.1.50
[INFO] tweaked toml for crates.io crate libmimalloc-sys2 0.1.50 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmimalloc-sys2 0.1.50 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libmimalloc-sys2 0.1.50 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623bed0239d295bc5d3236ddec3daa907a8f23e5aa09980dd188f8d9f3323dc8
[INFO] running `Command { std: "docker" "start" "-a" "623bed0239d295bc5d3236ddec3daa907a8f23e5aa09980dd188f8d9f3323dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623bed0239d295bc5d3236ddec3daa907a8f23e5aa09980dd188f8d9f3323dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623bed0239d295bc5d3236ddec3daa907a8f23e5aa09980dd188f8d9f3323dc8", kill_on_drop: false }`
[INFO] [stdout] 623bed0239d295bc5d3236ddec3daa907a8f23e5aa09980dd188f8d9f3323dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c40100774869e7a8539f3f0ef43be84268e9760be1c69eedbbc5b9d714d8a4
[INFO] running `Command { std: "docker" "start" "-a" "99c40100774869e7a8539f3f0ef43be84268e9760be1c69eedbbc5b9d714d8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling libmimalloc-sys2 v0.1.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "99c40100774869e7a8539f3f0ef43be84268e9760be1c69eedbbc5b9d714d8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c40100774869e7a8539f3f0ef43be84268e9760be1c69eedbbc5b9d714d8a4", kill_on_drop: false }`
[INFO] [stdout] 99c40100774869e7a8539f3f0ef43be84268e9760be1c69eedbbc5b9d714d8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4555414d6d90887cc32c7d4b49e6db4fcfe0842e70fcd8812818b83ad4a87b
[INFO] running `Command { std: "docker" "start" "-a" "1f4555414d6d90887cc32c7d4b49e6db4fcfe0842e70fcd8812818b83ad4a87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys2 v0.1.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1f4555414d6d90887cc32c7d4b49e6db4fcfe0842e70fcd8812818b83ad4a87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4555414d6d90887cc32c7d4b49e6db4fcfe0842e70fcd8812818b83ad4a87b", kill_on_drop: false }`
[INFO] [stdout] 1f4555414d6d90887cc32c7d4b49e6db4fcfe0842e70fcd8812818b83ad4a87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd2e69da3ae2b176517230f039965f2e114e3cee94a90b484680b86a0f41ba79
[INFO] running `Command { std: "docker" "start" "-a" "cd2e69da3ae2b176517230f039965f2e114e3cee94a90b484680b86a0f41ba79", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmimalloc_sys2-dbde9b257d066004)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::it_frees_memory_malloc ... ok
[INFO] [stdout] test tests::it_frees_memory_realloc ... ok
[INFO] [stdout] test tests::it_frees_memory_zalloc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libmimalloc_sys2
[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" "cd2e69da3ae2b176517230f039965f2e114e3cee94a90b484680b86a0f41ba79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2e69da3ae2b176517230f039965f2e114e3cee94a90b484680b86a0f41ba79", kill_on_drop: false }`
[INFO] [stdout] cd2e69da3ae2b176517230f039965f2e114e3cee94a90b484680b86a0f41ba79