[INFO] cloning repository https://github.com/terror/micrograd.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terror/micrograd.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterror%2Fmicrograd.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterror%2Fmicrograd.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51df8031213182525eae0f41c0f9265c74ff8f11
[INFO] testing terror/micrograd.rs against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterror%2Fmicrograd.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terror/micrograd.rs on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/terror/micrograd.rs
[INFO] finished tweaking git repo https://github.com/terror/micrograd.rs
[INFO] tweaked toml for git repo https://github.com/terror/micrograd.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/terror/micrograd.rs 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b197a97f890cbc7aaee1ccd9b8558548759085f7a962c0cfa01d59f8864812df
[INFO] running `Command { std: "docker" "start" "-a" "b197a97f890cbc7aaee1ccd9b8558548759085f7a962c0cfa01d59f8864812df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b197a97f890cbc7aaee1ccd9b8558548759085f7a962c0cfa01d59f8864812df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b197a97f890cbc7aaee1ccd9b8558548759085f7a962c0cfa01d59f8864812df", kill_on_drop: false }`
[INFO] [stdout] b197a97f890cbc7aaee1ccd9b8558548759085f7a962c0cfa01d59f8864812df
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1542e0e179b439c41184558fe9e7e4cc88e34cf1dfeda77739f2ad240ade1396
[INFO] running `Command { std: "docker" "start" "-a" "1542e0e179b439c41184558fe9e7e4cc88e34cf1dfeda77739f2ad240ade1396", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling dot-structures v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling tempfile v3.16.0
[INFO] [stderr]    Compiling into-attr-derive v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling graphviz-rust v0.9.3
[INFO] [stderr]    Compiling micrograd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.98s
[INFO] running `Command { std: "docker" "inspect" "1542e0e179b439c41184558fe9e7e4cc88e34cf1dfeda77739f2ad240ade1396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1542e0e179b439c41184558fe9e7e4cc88e34cf1dfeda77739f2ad240ade1396", kill_on_drop: false }`
[INFO] [stdout] 1542e0e179b439c41184558fe9e7e4cc88e34cf1dfeda77739f2ad240ade1396
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e2e306cd3a779deb4797816af7f0f635fff881e2dc79fb56cfa0fe903de4e15
[INFO] running `Command { std: "docker" "start" "-a" "2e2e306cd3a779deb4797816af7f0f635fff881e2dc79fb56cfa0fe903de4e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tempfile v3.16.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling graphviz-rust v0.9.3
[INFO] [stderr]    Compiling micrograd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "2e2e306cd3a779deb4797816af7f0f635fff881e2dc79fb56cfa0fe903de4e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2e306cd3a779deb4797816af7f0f635fff881e2dc79fb56cfa0fe903de4e15", kill_on_drop: false }`
[INFO] [stdout] 2e2e306cd3a779deb4797816af7f0f635fff881e2dc79fb56cfa0fe903de4e15
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8638848247a74a901a5c85a8a12ac9a4602cfbf154740473440cd573725e69c2
[INFO] running `Command { std: "docker" "start" "-a" "8638848247a74a901a5c85a8a12ac9a4602cfbf154740473440cd573725e69c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micrograd-9a12e758770452bf)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test tests::complex_graph_test ... ok
[INFO] [stdout] test tests::addition_overflow ... ok
[INFO] [stdout] test tests::division_by_zero ... ok
[INFO] [stdout] test tests::division ... ok
[INFO] [stdout] test tests::empty_filename ... ok
[INFO] [stdout] test tests::addition_with_children ... ok
[INFO] [stdout] test tests::complex_expression_with_children ... ok
[INFO] [stdout] test tests::multiplication ... ok
[INFO] [stdout] test tests::error_display ... ok
[INFO] [stdout] test tests::invalid_extension ... ok
[INFO] [stdout] test tests::missing_extension ... ok
[INFO] [stdout] test tests::nan_error ... ok
[INFO] [stdout] test tests::negation ... ok
[INFO] [stdout] test tests::negation_with_children ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::operation_for_add ... ok
[INFO] [stdout] test tests::operation_for_div ... ok
[INFO] [stdout] test tests::operation_for_input ... ok
[INFO] [stdout] test tests::operation_for_mul ... ok
[INFO] [stdout] test tests::operation_for_neg ... ok
[INFO] [stdout] test tests::operation_for_sub ... ok
[INFO] [stdout] test tests::reference_operations ... ok
[INFO] [stdout] test tests::reference_tanh ... ok
[INFO] [stdout] test tests::subtraction ... ok
[INFO] [stdout] test tests::tanh_with_children ... ok
[INFO] [stdout] test tests::dot_generation_test ... ok
[INFO] [stdout] test tests::tanh_operation ... ok
[INFO] [stdout] test tests::addition ... ok
[INFO] [stdout] test tests::multiplication_with_children ... ok
[INFO] [stdout] test tests::dot_output ... ok
[INFO] [stdout] test tests::svg_output ... ok
[INFO] [stdout] test tests::png_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests micrograd
[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" "8638848247a74a901a5c85a8a12ac9a4602cfbf154740473440cd573725e69c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8638848247a74a901a5c85a8a12ac9a4602cfbf154740473440cd573725e69c2", kill_on_drop: false }`
[INFO] [stdout] 8638848247a74a901a5c85a8a12ac9a4602cfbf154740473440cd573725e69c2