[INFO] fetching crate niura 0.1.0...
[INFO] building niura-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate niura 0.1.0 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate niura 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d826c5661760c8ed62fa8d93f38be2cf170dcb657878d2a17bac4be628c1ecd
[INFO] running `Command { std: "docker" "start" "-a" "4d826c5661760c8ed62fa8d93f38be2cf170dcb657878d2a17bac4be628c1ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d826c5661760c8ed62fa8d93f38be2cf170dcb657878d2a17bac4be628c1ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d826c5661760c8ed62fa8d93f38be2cf170dcb657878d2a17bac4be628c1ecd", kill_on_drop: false }`
[INFO] [stdout] 4d826c5661760c8ed62fa8d93f38be2cf170dcb657878d2a17bac4be628c1ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba2f1cd27f9d0b5c2988225231c7305f7b12de7b80484ea4d5722d2e54743e6
[INFO] running `Command { std: "docker" "start" "-a" "6ba2f1cd27f9d0b5c2988225231c7305f7b12de7b80484ea4d5722d2e54743e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.2.16
[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)]` (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 4.21s
[INFO] running `Command { std: "docker" "inspect" "6ba2f1cd27f9d0b5c2988225231c7305f7b12de7b80484ea4d5722d2e54743e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba2f1cd27f9d0b5c2988225231c7305f7b12de7b80484ea4d5722d2e54743e6", kill_on_drop: false }`
[INFO] [stdout] 6ba2f1cd27f9d0b5c2988225231c7305f7b12de7b80484ea4d5722d2e54743e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62fcff136f6ba4511f957a9afbdd68c03c71d16eb5a2a04dee8f1ab4443f5f0
[INFO] running `Command { std: "docker" "start" "-a" "f62fcff136f6ba4511f957a9afbdd68c03c71d16eb5a2a04dee8f1ab4443f5f0", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "f62fcff136f6ba4511f957a9afbdd68c03c71d16eb5a2a04dee8f1ab4443f5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62fcff136f6ba4511f957a9afbdd68c03c71d16eb5a2a04dee8f1ab4443f5f0", kill_on_drop: false }`
[INFO] [stdout] f62fcff136f6ba4511f957a9afbdd68c03c71d16eb5a2a04dee8f1ab4443f5f0