[INFO] cloning repository https://github.com/soichiro121/Fluno-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soichiro121/Fluno-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoichiro121%2FFluno-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoichiro121%2FFluno-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 400e58b8e8b182132133387462802027dde38f25
[INFO] testing soichiro121/Fluno-lang against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoichiro121%2FFluno-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
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[INFO] started tweaking git repo https://github.com/soichiro121/Fluno-lang
[INFO] finished tweaking git repo https://github.com/soichiro121/Fluno-lang
[INFO] tweaked toml for git repo https://github.com/soichiro121/Fluno-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/soichiro121/Fluno-lang on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/soichiro121/Fluno-lang 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e166ca118a30d21cac8494fd0fc76eb43024a4f7d00e8b3cdb9c5fc62e9f5e5
[INFO] running `Command { std: "docker" "start" "-a" "6e166ca118a30d21cac8494fd0fc76eb43024a4f7d00e8b3cdb9c5fc62e9f5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e166ca118a30d21cac8494fd0fc76eb43024a4f7d00e8b3cdb9c5fc62e9f5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e166ca118a30d21cac8494fd0fc76eb43024a4f7d00e8b3cdb9c5fc62e9f5e5", kill_on_drop: false }`
[INFO] [stdout] 6e166ca118a30d21cac8494fd0fc76eb43024a4f7d00e8b3cdb9c5fc62e9f5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e4188b23890e3f6288bd2dc4382182ebff3721699466172a2dd98a7f93b813
[INFO] running `Command { std: "docker" "start" "-a" "f2e4188b23890e3f6288bd2dc4382182ebff3721699466172a2dd98a7f93b813", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stderr]    Compiling tower-lsp v0.20.0
[INFO] [stderr]    Compiling fluno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "f2e4188b23890e3f6288bd2dc4382182ebff3721699466172a2dd98a7f93b813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e4188b23890e3f6288bd2dc4382182ebff3721699466172a2dd98a7f93b813", kill_on_drop: false }`
[INFO] [stdout] f2e4188b23890e3f6288bd2dc4382182ebff3721699466172a2dd98a7f93b813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1da6ac0e6ceb9ab29f08d31a05fee46706efb13ecc23675455648fd332c5dd7
[INFO] running `Command { std: "docker" "start" "-a" "d1da6ac0e6ceb9ab29f08d31a05fee46706efb13ecc23675455648fd332c5dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling lsp-types v0.94.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling tower-lsp v0.20.0
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stderr]    Compiling fluno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ad::cpu_backend::NdarrayStorage`
[INFO] [stdout]    --> src/ad/optimizer.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     use crate::ad::cpu_backend::NdarrayStorage;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ad::types::ADFloat`
[INFO] [stdout]    --> src/ad/optimizer.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |         use crate::ad::types::ADFloat;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_id`
[INFO] [stdout]    --> src/ad/optimizer.rs:412:13
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let y_id = match &y {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_y_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `weak_observer` is never read
[INFO] [stdout]   --> src/gc_cycle_tests.rs:55:62
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut weak_observer: Option<Weak<RefCell<Node>>> = None;
[INFO] [stdout]    |                                                              ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 64 |             weak_observer = Some(Rc::downgrade(&node1));
[INFO] [stdout]    |             ------------- `weak_observer` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/gc_tests.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let s2 = s1.clone();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/gc_cycle_tests.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct Node {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |         value: i32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.06s
[INFO] running `Command { std: "docker" "inspect" "d1da6ac0e6ceb9ab29f08d31a05fee46706efb13ecc23675455648fd332c5dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1da6ac0e6ceb9ab29f08d31a05fee46706efb13ecc23675455648fd332c5dd7", kill_on_drop: false }`
[INFO] [stdout] d1da6ac0e6ceb9ab29f08d31a05fee46706efb13ecc23675455648fd332c5dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deabad65457c3dbc67e15c011289e6dcf514701a8ca4dd310e1ee8fae2411e24
[INFO] running `Command { std: "docker" "start" "-a" "deabad65457c3dbc67e15c011289e6dcf514701a8ca4dd310e1ee8fae2411e24", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::ad::cpu_backend::NdarrayStorage`
[INFO] [stderr]    --> src/ad/optimizer.rs:370:9
[INFO] [stderr]     |
[INFO] [stderr] 370 |     use crate::ad::cpu_backend::NdarrayStorage;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ad::types::ADFloat`
[INFO] [stderr]    --> src/ad/optimizer.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |         use crate::ad::types::ADFloat;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_id`
[INFO] [stderr]    --> src/ad/optimizer.rs:412:13
[INFO] [stderr]     |
[INFO] [stderr] 412 |         let y_id = match &y {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_y_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `weak_observer` is never read
[INFO] [stderr]   --> src/gc_cycle_tests.rs:55:62
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut weak_observer: Option<Weak<RefCell<Node>>> = None;
[INFO] [stderr]    |                                                              ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 64 |             weak_observer = Some(Rc::downgrade(&node1));
[INFO] [stderr]    |             ------------- `weak_observer` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/gc_tests.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let s2 = s1.clone();
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> src/gc_cycle_tests.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct Node {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 7 |         value: i32,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fluno` (lib test) generated 6 warnings (run `cargo fix --lib -p fluno --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fluno-8c31f0773fe3237f)
[INFO] [stdout] 
[INFO] [stdout] running 94 tests
[INFO] [stdout] test ad::backward::tests::test_custom_vjp ... ok
[INFO] [stdout] test ad::backward::tests::test_simple_gradient ... ok
[INFO] [stdout] test ad::optimizer::tests::test_algebraic_simplification_add_zero ... ok
[INFO] [stdout] test ad::optimizer::tests::test_algebraic_simplification_mul_one ... ok
[INFO] [stdout] test ad::optimizer::tests::test_algebraic_simplification_mul_zero ... ok
[INFO] [stdout] test ad::optimizer::tests::test_constant_folding ... ok
[INFO] [stdout] test ad::optimizer::tests::test_double_negation ... ok
[INFO] [stdout] test ad::tensor::tests::test_lazy_tensor_eval ... ok
[INFO] [stdout] test ad::optimizer::tests::test_tensor_fusion ... ok
[INFO] [stdout] test ad::optimizer::tests::test_cse ... ok
[INFO] [stdout] test ad::types::tests::test_concrete_arithmetic ... ok
[INFO] [stdout] test ad::types::tests::test_gradient_add ... ok
[INFO] [stdout] test ad::types::tests::test_gradient_chain_rule ... ok
[INFO] [stdout] test ad::types::tests::test_gradient_div ... ok
[INFO] [stdout] test ad::types::tests::test_gradient_neg ... ok
[INFO] [stdout] test ad::types::tests::test_gradient_mul ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fluno-8c31f0773fe3237f` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "deabad65457c3dbc67e15c011289e6dcf514701a8ca4dd310e1ee8fae2411e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deabad65457c3dbc67e15c011289e6dcf514701a8ca4dd310e1ee8fae2411e24", kill_on_drop: false }`
[INFO] [stdout] deabad65457c3dbc67e15c011289e6dcf514701a8ca4dd310e1ee8fae2411e24
