[INFO] fetching crate niura 0.1.0...
[INFO] checking niura-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[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 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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] [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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6205c38dd072f4db3449f6bb4eb9a9c0fa02c9f8169ef274c0de95f4c3d6541c
[INFO] running `Command { std: "docker" "start" "-a" "6205c38dd072f4db3449f6bb4eb9a9c0fa02c9f8169ef274c0de95f4c3d6541c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6205c38dd072f4db3449f6bb4eb9a9c0fa02c9f8169ef274c0de95f4c3d6541c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6205c38dd072f4db3449f6bb4eb9a9c0fa02c9f8169ef274c0de95f4c3d6541c", kill_on_drop: false }`
[INFO] [stdout] 6205c38dd072f4db3449f6bb4eb9a9c0fa02c9f8169ef274c0de95f4c3d6541c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe68642d85967e66cd2f064f521c983d0cbd74bebab86da24b3b3df87a952a6
[INFO] running `Command { std: "docker" "start" "-a" "bfe68642d85967e66cd2f064f521c983d0cbd74bebab86da24b3b3df87a952a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "bfe68642d85967e66cd2f064f521c983d0cbd74bebab86da24b3b3df87a952a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe68642d85967e66cd2f064f521c983d0cbd74bebab86da24b3b3df87a952a6", kill_on_drop: false }`
[INFO] [stdout] bfe68642d85967e66cd2f064f521c983d0cbd74bebab86da24b3b3df87a952a6