[INFO] fetching crate niura 0.1.0...
[INFO] testing niura-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate niura 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate niura 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niura 0.1.0
[INFO] finished tweaking crates.io crate niura 0.1.0
[INFO] tweaked toml for crates.io crate niura 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec41f1e2f9b24884b1a9bdbc0b3e759feb7533260d058c786731fdbe62c2d274
[INFO] running `Command { std: "docker" "start" "-a" "ec41f1e2f9b24884b1a9bdbc0b3e759feb7533260d058c786731fdbe62c2d274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec41f1e2f9b24884b1a9bdbc0b3e759feb7533260d058c786731fdbe62c2d274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec41f1e2f9b24884b1a9bdbc0b3e759feb7533260d058c786731fdbe62c2d274", kill_on_drop: false }`
[INFO] [stdout] ec41f1e2f9b24884b1a9bdbc0b3e759feb7533260d058c786731fdbe62c2d274
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a88045697b09af18c4af87fbedb2141b034415f05237e61073a1f7b69b7aad00
[INFO] running `Command { std: "docker" "start" "-a" "a88045697b09af18c4af87fbedb2141b034415f05237e61073a1f7b69b7aad00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "a88045697b09af18c4af87fbedb2141b034415f05237e61073a1f7b69b7aad00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88045697b09af18c4af87fbedb2141b034415f05237e61073a1f7b69b7aad00", kill_on_drop: false }`
[INFO] [stdout] a88045697b09af18c4af87fbedb2141b034415f05237e61073a1f7b69b7aad00
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7eb3ec7a36bd467dc1a69eeda668653844e7560e71e334680662a8ffc1ee349
[INFO] running `Command { std: "docker" "start" "-a" "e7eb3ec7a36bd467dc1a69eeda668653844e7560e71e334680662a8ffc1ee349", kill_on_drop: false }`
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e7eb3ec7a36bd467dc1a69eeda668653844e7560e71e334680662a8ffc1ee349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7eb3ec7a36bd467dc1a69eeda668653844e7560e71e334680662a8ffc1ee349", kill_on_drop: false }`
[INFO] [stdout] e7eb3ec7a36bd467dc1a69eeda668653844e7560e71e334680662a8ffc1ee349
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a723716f8d7e563b4b0ce01090a9a6dca2c680204630869d991c2e10ad6d9cd
[INFO] running `Command { std: "docker" "start" "-a" "6a723716f8d7e563b4b0ce01090a9a6dca2c680204630869d991c2e10ad6d9cd", kill_on_drop: false }`
[INFO] [stderr] warning: type `var_ptr` should have an upper camel case name
[INFO] [stderr]   --> src/var/ops.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | type var_ptr = *const var;
[INFO] [stderr]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/var/mod.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{cell::Cell, ptr};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `var_ptr` should have an upper camel case name
[INFO] [stderr]   --> src/var/mod.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | type var_ptr = *const var;
[INFO] [stderr]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stderr] 
[INFO] [stderr] warning: type `var` should have an upper camel case name
[INFO] [stderr]   --> src/var/mod.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct var {
[INFO] [stderr]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stderr] 
[INFO] [stderr] warning: field `requiresgrad` is never read
[INFO] [stderr]   --> src/var/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct var {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     requiresgrad: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `niura` (lib) generated 5 warnings (run `cargo fix --lib -p niura` to apply 1 suggestion)
[INFO] [stderr] warning: `niura` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/niura-b3e802597e260439)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::gradient ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::gradient stdout ----
[INFO] [stdout] thread 'tests::gradient' panicked at src/lib.rs:21:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: -19.373083
[INFO] [stdout]  right: -19.373081
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556dbe216b2c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x556dbe216b2c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556dbe216b2c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556dbe216b2c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556dbe241080 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x556dbe241080 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556dbe2144df - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x556dbe216914 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x556dbe216914 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556dbe2185d7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x556dbe2182c3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x556dbe1e8c27 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x556dbe1e8c27 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556dbe218be8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x556dbe218be8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x556dbe21893e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x556dbe216ff6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x556dbe2186a2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x556dbe1abd75 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556dbe1ac18b - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x556dbe1b2b7e - core::panicking::assert_failed::h8b9adaf6af53537a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x556dbe1b5206 - niura::tests::gradient::h5f82e7ad37834a63
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stdout]   22:     0x556dbe1b4d07 - niura::tests::gradient::{{closure}}::h28b001915aa534f7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:13:18
[INFO] [stdout]   23:     0x556dbe1acf96 - core::ops::function::FnOnce::call_once::hf1c4abdb3e46f5f4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x556dbe1ee27f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x556dbe1ee27f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x556dbe1ed295 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x556dbe1ed295 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x556dbe1ed295 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x556dbe1ed295 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x556dbe1ed295 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x556dbe1ed295 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x556dbe1ed295 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x556dbe1b5556 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x556dbe1b5556 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x556dbe1ba607 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x556dbe1ba607 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x556dbe1ba607 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x556dbe1ba607 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x556dbe1ba607 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x556dbe1ba607 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x556dbe1ba607 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x556dbe21d675 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x556dbe21d675 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x556dbe21d675 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f305e6e8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f305e779bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::gradient
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a723716f8d7e563b4b0ce01090a9a6dca2c680204630869d991c2e10ad6d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a723716f8d7e563b4b0ce01090a9a6dca2c680204630869d991c2e10ad6d9cd", kill_on_drop: false }`
[INFO] [stdout] 6a723716f8d7e563b4b0ce01090a9a6dca2c680204630869d991c2e10ad6d9cd
[INFO] testing niura-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate niura 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate niura 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niura 0.1.0
[INFO] finished tweaking crates.io crate niura 0.1.0
[INFO] tweaked toml for crates.io crate niura 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ead450fa1759972056b44adff7062c6074938abaecd5048f7234a517e7a55fd
[INFO] running `Command { std: "docker" "start" "-a" "1ead450fa1759972056b44adff7062c6074938abaecd5048f7234a517e7a55fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ead450fa1759972056b44adff7062c6074938abaecd5048f7234a517e7a55fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ead450fa1759972056b44adff7062c6074938abaecd5048f7234a517e7a55fd", kill_on_drop: false }`
[INFO] [stdout] 1ead450fa1759972056b44adff7062c6074938abaecd5048f7234a517e7a55fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad1cad8e5416a57fee33fd1e8398828f169b4ff9a82b7f50fea5421ca25b365
[INFO] running `Command { std: "docker" "start" "-a" "5ad1cad8e5416a57fee33fd1e8398828f169b4ff9a82b7f50fea5421ca25b365", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "5ad1cad8e5416a57fee33fd1e8398828f169b4ff9a82b7f50fea5421ca25b365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad1cad8e5416a57fee33fd1e8398828f169b4ff9a82b7f50fea5421ca25b365", kill_on_drop: false }`
[INFO] [stdout] 5ad1cad8e5416a57fee33fd1e8398828f169b4ff9a82b7f50fea5421ca25b365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ac44bcb1f3d32ef2e85dedee89cc01112722f03f329e8d12a43af0aa186942
[INFO] running `Command { std: "docker" "start" "-a" "92ac44bcb1f3d32ef2e85dedee89cc01112722f03f329e8d12a43af0aa186942", kill_on_drop: false }`
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling niura v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/ops.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/var/mod.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, ptr};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var_ptr` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type var_ptr = *const var;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `var` should have an upper camel case name
[INFO] [stdout]   --> src/var/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `requiresgrad` is never read
[INFO] [stdout]   --> src/var/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     requiresgrad: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "92ac44bcb1f3d32ef2e85dedee89cc01112722f03f329e8d12a43af0aa186942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ac44bcb1f3d32ef2e85dedee89cc01112722f03f329e8d12a43af0aa186942", kill_on_drop: false }`
[INFO] [stdout] 92ac44bcb1f3d32ef2e85dedee89cc01112722f03f329e8d12a43af0aa186942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad4b7ef1251148027197c3329a4852072d6c53267b79f05f064cbbf0caf8149a
[INFO] running `Command { std: "docker" "start" "-a" "ad4b7ef1251148027197c3329a4852072d6c53267b79f05f064cbbf0caf8149a", kill_on_drop: false }`
[INFO] [stderr] warning: type `var_ptr` should have an upper camel case name
[INFO] [stderr]   --> src/var/ops.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | type var_ptr = *const var;
[INFO] [stderr]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/var/mod.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{cell::Cell, ptr};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `var_ptr` should have an upper camel case name
[INFO] [stderr]   --> src/var/mod.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | type var_ptr = *const var;
[INFO] [stderr]    |      ^^^^^^^ help: convert the identifier to upper camel case: `VarPtr`
[INFO] [stderr] 
[INFO] [stderr] warning: type `var` should have an upper camel case name
[INFO] [stderr]   --> src/var/mod.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct var {
[INFO] [stderr]    |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Var`
[INFO] [stderr] 
[INFO] [stderr] warning: field `requiresgrad` is never read
[INFO] [stderr]   --> src/var/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct var {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     requiresgrad: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `niura` (lib) generated 5 warnings (run `cargo fix --lib -p niura` to apply 1 suggestion)
[INFO] [stderr] warning: `niura` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/niura-e205ee1bfbc4af5e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::gradient ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::gradient stdout ----
[INFO] [stdout] thread 'tests::gradient' panicked at src/lib.rs:21:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: -19.373083
[INFO] [stdout]  right: -19.373081
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5608f4520216 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5608f4520216 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5608f4520216 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5608f4520216 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5608f4549a70 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5608f4549a70 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5608f451dc7f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5608f451fff4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5608f451fff4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5608f4521d67 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x5608f4521a4d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5608f44f1b77 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5608f44f1b77 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5608f4522386 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5608f4522386 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5608f45220d2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5608f4520716 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5608f4521e30 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5608f44b3d55 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5608f44b418b - core::panicking::assert_failed_inner::h9f13e27dd63c3a08
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5608f44baaee - core::panicking::assert_failed::h6b9b99d308d03f23
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x5608f44bd1c6 - niura::tests::gradient::h20d616d3bb9f4dc3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stdout]   22:     0x5608f44bccc7 - niura::tests::gradient::{{closure}}::he355365ce4b9b30b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:13:18
[INFO] [stdout]   23:     0x5608f44b4f26 - core::ops::function::FnOnce::call_once::h2676c0075e1e3d79
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5608f44f744f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5608f44f744f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5608f44f61d1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5608f44f61d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5608f44f61d1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5608f44f61d1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5608f44f61d1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5608f44f61d1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5608f44f61d1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5608f44bd506 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5608f44bd506 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5608f44c2567 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5608f44c2567 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5608f44c2567 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5608f44c2567 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5608f44c2567 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5608f44c2567 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5608f44c2567 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5608f4526e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5608f4526e35 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5608f4526e35 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fe31ff9fac3 - <unknown>
[INFO] [stdout]   46:     0x7fe320030bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::gradient
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad4b7ef1251148027197c3329a4852072d6c53267b79f05f064cbbf0caf8149a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4b7ef1251148027197c3329a4852072d6c53267b79f05f064cbbf0caf8149a", kill_on_drop: false }`
[INFO] [stdout] ad4b7ef1251148027197c3329a4852072d6c53267b79f05f064cbbf0caf8149a
