[INFO] fetching crate linked_list_allocator 0.10.5...
[INFO] checking linked_list_allocator-0.10.5 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate linked_list_allocator 0.10.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate linked_list_allocator 0.10.5 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate linked_list_allocator 0.10.5
[INFO] finished tweaking crates.io crate linked_list_allocator 0.10.5
[INFO] tweaked toml for crates.io crate linked_list_allocator 0.10.5 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 777757f437a42d2b2a46fa35f1f0ed5f69504bc8d9b1325ea0d6c140bb38afdd
[INFO] running `Command { std: "docker" "start" "-a" "777757f437a42d2b2a46fa35f1f0ed5f69504bc8d9b1325ea0d6c140bb38afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "777757f437a42d2b2a46fa35f1f0ed5f69504bc8d9b1325ea0d6c140bb38afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777757f437a42d2b2a46fa35f1f0ed5f69504bc8d9b1325ea0d6c140bb38afdd", kill_on_drop: false }`
[INFO] [stdout] 777757f437a42d2b2a46fa35f1f0ed5f69504bc8d9b1325ea0d6c140bb38afdd
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7129b28864acdf8b0ff6b84640958cd9d83e739c86cae38904116a2daffcb5bb
[INFO] running `Command { std: "docker" "start" "-a" "7129b28864acdf8b0ff6b84640958cd9d83e739c86cae38904116a2daffcb5bb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.10.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Layout` is imported redundantly
[INFO] [stdout]  --> src/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Layout` is already imported here
[INFO] [stdout] 2 | use core::{
[INFO] [stdout] 3 |     alloc::Layout,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deref` is imported redundantly
[INFO] [stdout]  --> src/test.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Deref` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MaybeUninit` is imported redundantly
[INFO] [stdout]  --> src/test.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `MaybeUninit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     mem::{align_of, size_of, MaybeUninit},
[INFO] [stdout]   |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7129b28864acdf8b0ff6b84640958cd9d83e739c86cae38904116a2daffcb5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7129b28864acdf8b0ff6b84640958cd9d83e739c86cae38904116a2daffcb5bb", kill_on_drop: false }`
[INFO] [stdout] 7129b28864acdf8b0ff6b84640958cd9d83e739c86cae38904116a2daffcb5bb