[INFO] fetching crate neal 0.1.0-alpha.1...
[INFO] testing neal-0.1.0-alpha.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate neal 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate neal 0.1.0-alpha.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate neal 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate neal 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neal 0.1.0-alpha.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neal 0.1.0-alpha.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92badb383c55c70f5ba54becd9dba2434c6765c31a662612928f90bde202f613
[INFO] running `Command { std: "docker" "start" "-a" "92badb383c55c70f5ba54becd9dba2434c6765c31a662612928f90bde202f613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92badb383c55c70f5ba54becd9dba2434c6765c31a662612928f90bde202f613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92badb383c55c70f5ba54becd9dba2434c6765c31a662612928f90bde202f613", kill_on_drop: false }`
[INFO] [stdout] 92badb383c55c70f5ba54becd9dba2434c6765c31a662612928f90bde202f613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0306288fa4d5563b0b602d74afa6e286f69c58a47c36d20782205cc08a6b456
[INFO] running `Command { std: "docker" "start" "-a" "b0306288fa4d5563b0b602d74afa6e286f69c58a47c36d20782205cc08a6b456", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling neal v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "b0306288fa4d5563b0b602d74afa6e286f69c58a47c36d20782205cc08a6b456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0306288fa4d5563b0b602d74afa6e286f69c58a47c36d20782205cc08a6b456", kill_on_drop: false }`
[INFO] [stdout] b0306288fa4d5563b0b602d74afa6e286f69c58a47c36d20782205cc08a6b456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c7446242ef1b9b4b664d4a8e8cb8b69a8dcaeda3fd2c49fd5981c0195c0c2ac
[INFO] running `Command { std: "docker" "start" "-a" "2c7446242ef1b9b4b664d4a8e8cb8b69a8dcaeda3fd2c49fd5981c0195c0c2ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling neal v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]    --> examples/basic_equation.rs:102:47
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn on_node_computation_started(&mut self, node_id: NodeId) {}
[INFO] [stdout]     |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]    --> examples/basic_equation.rs:104:48
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> examples/basic_equation.rs:104:65
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stdout]     |                                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> examples/simple-observer.rs:64:48
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]   --> examples/simple-observer.rs:64:65
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stdout]    |                                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2c7446242ef1b9b4b664d4a8e8cb8b69a8dcaeda3fd2c49fd5981c0195c0c2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7446242ef1b9b4b664d4a8e8cb8b69a8dcaeda3fd2c49fd5981c0195c0c2ac", kill_on_drop: false }`
[INFO] [stdout] 2c7446242ef1b9b4b664d4a8e8cb8b69a8dcaeda3fd2c49fd5981c0195c0c2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1b06b22c935fe48ef868c4267932da18f41852d269a42cd9f1806e16b3d0ce3
[INFO] running `Command { std: "docker" "start" "-a" "f1b06b22c935fe48ef868c4267932da18f41852d269a42cd9f1806e16b3d0ce3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]   --> examples/simple-observer.rs:64:48
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stderr]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> examples/simple-observer.rs:64:65
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stderr]    |                                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: `neal` (example "simple-observer") generated 2 warnings (run `cargo fix --example "simple-observer" -p neal` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]    --> examples/basic_equation.rs:102:47
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn on_node_computation_started(&mut self, node_id: NodeId) {}
[INFO] [stderr]     |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]    --> examples/basic_equation.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stderr]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]    --> examples/basic_equation.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn on_node_computation_finished(&mut self, node_id: NodeId, success: bool) {}
[INFO] [stderr]     |                                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: `neal` (example "basic_equation") generated 3 warnings (run `cargo fix --example "basic_equation" -p neal` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests neal/lib.rs (/opt/rustwide/target/debug/deps/neal-5ec0adf6d665ad3d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neal
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test neal/operations.rs - operations::Operation (line 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1b06b22c935fe48ef868c4267932da18f41852d269a42cd9f1806e16b3d0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b06b22c935fe48ef868c4267932da18f41852d269a42cd9f1806e16b3d0ce3", kill_on_drop: false }`
[INFO] [stdout] f1b06b22c935fe48ef868c4267932da18f41852d269a42cd9f1806e16b3d0ce3