[INFO] cloning repository https://github.com/anish-palakurthi/micrograd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anish-palakurthi/micrograd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-palakurthi%2Fmicrograd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-palakurthi%2Fmicrograd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751aece47a929395cf41b1cec9d191dadbfbbcda
[INFO] testing anish-palakurthi/micrograd-rust/751aece47a929395cf41b1cec9d191dadbfbbcda against nightly-2024-10-28 for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-palakurthi%2Fmicrograd-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anish-palakurthi/micrograd-rust on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anish-palakurthi/micrograd-rust
[INFO] finished tweaking git repo https://github.com/anish-palakurthi/micrograd-rust
[INFO] tweaked toml for git repo https://github.com/anish-palakurthi/micrograd-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anish-palakurthi/micrograd-rust 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd8429c9242d31a2ee9614521975166b6ec40cadf0be61e3098c9393d5cc90a
[INFO] running `Command { std: "docker" "start" "-a" "7bd8429c9242d31a2ee9614521975166b6ec40cadf0be61e3098c9393d5cc90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd8429c9242d31a2ee9614521975166b6ec40cadf0be61e3098c9393d5cc90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd8429c9242d31a2ee9614521975166b6ec40cadf0be61e3098c9393d5cc90a", kill_on_drop: false }`
[INFO] [stdout] 7bd8429c9242d31a2ee9614521975166b6ec40cadf0be61e3098c9393d5cc90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 998be0e5ee6df644e6665a7d126021484f50997b99a653450cb6f8ecb9c94c72
[INFO] running `Command { std: "docker" "start" "-a" "998be0e5ee6df644e6665a7d126021484f50997b99a653450cb6f8ecb9c94c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "998be0e5ee6df644e6665a7d126021484f50997b99a653450cb6f8ecb9c94c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998be0e5ee6df644e6665a7d126021484f50997b99a653450cb6f8ecb9c94c72", kill_on_drop: false }`
[INFO] [stdout] 998be0e5ee6df644e6665a7d126021484f50997b99a653450cb6f8ecb9c94c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 834c4a177a7f28fbb048d9356a18c2de3ea35948360a84f5870454b0d05e6d35
[INFO] running `Command { std: "docker" "start" "-a" "834c4a177a7f28fbb048d9356a18c2de3ea35948360a84f5870454b0d05e6d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let mut a = Value::new(-4.0, vec![], "".to_string());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let mut b = Value::new(2.0, vec![], "".to_string());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "834c4a177a7f28fbb048d9356a18c2de3ea35948360a84f5870454b0d05e6d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834c4a177a7f28fbb048d9356a18c2de3ea35948360a84f5870454b0d05e6d35", kill_on_drop: false }`
[INFO] [stdout] 834c4a177a7f28fbb048d9356a18c2de3ea35948360a84f5870454b0d05e6d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cc03caad38ba7d3a568a34fb0eeb519399fb865b950826fe962eb27dbcc028b
[INFO] running `Command { std: "docker" "start" "-a" "3cc03caad38ba7d3a568a34fb0eeb519399fb865b950826fe962eb27dbcc028b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let mut a = Value::new(-4.0, vec![], "".to_string());
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let mut b = Value::new(2.0, vec![], "".to_string());
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `micrograd-rust` (bin "micrograd-rust" test) generated 2 warnings (run `cargo fix --bin "micrograd-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/micrograd_rust-98deffad0080cdf1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] error: test failed, to rerun pass `--bin micrograd-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/micrograd_rust-98deffad0080cdf1` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "3cc03caad38ba7d3a568a34fb0eeb519399fb865b950826fe962eb27dbcc028b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc03caad38ba7d3a568a34fb0eeb519399fb865b950826fe962eb27dbcc028b", kill_on_drop: false }`
[INFO] [stdout] 3cc03caad38ba7d3a568a34fb0eeb519399fb865b950826fe962eb27dbcc028b
