[INFO] fetching crate niura 0.1.0...
[INFO] building niura-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate niura 0.1.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate niura 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2e0da1ec3d44590614ab55a59cd9693312dacd6c838a1e55d9d3c788d6708d
[INFO] running `Command { std: "docker" "start" "-a" "8c2e0da1ec3d44590614ab55a59cd9693312dacd6c838a1e55d9d3c788d6708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2e0da1ec3d44590614ab55a59cd9693312dacd6c838a1e55d9d3c788d6708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2e0da1ec3d44590614ab55a59cd9693312dacd6c838a1e55d9d3c788d6708d", kill_on_drop: false }`
[INFO] [stdout] 8c2e0da1ec3d44590614ab55a59cd9693312dacd6c838a1e55d9d3c788d6708d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806bd046c40a3dd89c8aabf891ffd994191f0383a35f02c1695eeb19843dd3f5
[INFO] running `Command { std: "docker" "start" "-a" "806bd046c40a3dd89c8aabf891ffd994191f0383a35f02c1695eeb19843dd3f5", kill_on_drop: false }`
[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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "806bd046c40a3dd89c8aabf891ffd994191f0383a35f02c1695eeb19843dd3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806bd046c40a3dd89c8aabf891ffd994191f0383a35f02c1695eeb19843dd3f5", kill_on_drop: false }`
[INFO] [stdout] 806bd046c40a3dd89c8aabf891ffd994191f0383a35f02c1695eeb19843dd3f5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3fc8ed44b9067ef6603be9911b80ef35c2e3fa69a2bdc30d827ff0542eee74e
[INFO] running `Command { std: "docker" "start" "-a" "c3fc8ed44b9067ef6603be9911b80ef35c2e3fa69a2bdc30d827ff0542eee74e", kill_on_drop: false }`
[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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c3fc8ed44b9067ef6603be9911b80ef35c2e3fa69a2bdc30d827ff0542eee74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fc8ed44b9067ef6603be9911b80ef35c2e3fa69a2bdc30d827ff0542eee74e", kill_on_drop: false }`
[INFO] [stdout] c3fc8ed44b9067ef6603be9911b80ef35c2e3fa69a2bdc30d827ff0542eee74e