[INFO] cloning repository https://github.com/LyonSyonII/linkedlist.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LyonSyonII/linkedlist.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyonSyonII%2Flinkedlist.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyonSyonII%2Flinkedlist.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef6c321872bb2a0333b98a3e7ae5d68315cbf7a3
[INFO] building LyonSyonII/linkedlist.rs against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyonSyonII%2Flinkedlist.rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LyonSyonII/linkedlist.rs
[INFO] finished tweaking git repo https://github.com/LyonSyonII/linkedlist.rs
[INFO] tweaked toml for git repo https://github.com/LyonSyonII/linkedlist.rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LyonSyonII/linkedlist.rs on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LyonSyonII/linkedlist.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21433d5c2e60cd2d21295840847937169e207c8283b52ee7f3b487015977ae73
[INFO] running `Command { std: "docker" "start" "-a" "21433d5c2e60cd2d21295840847937169e207c8283b52ee7f3b487015977ae73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21433d5c2e60cd2d21295840847937169e207c8283b52ee7f3b487015977ae73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21433d5c2e60cd2d21295840847937169e207c8283b52ee7f3b487015977ae73", kill_on_drop: false }`
[INFO] [stdout] 21433d5c2e60cd2d21295840847937169e207c8283b52ee7f3b487015977ae73
[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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] e0806e62c8a06284d8d9590db82f3fdb9ac028d38e50a00732615f326bb36039
[INFO] running `Command { std: "docker" "start" "-a" "e0806e62c8a06284d8d9590db82f3fdb9ac028d38e50a00732615f326bb36039", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{alloc::{Layout, alloc, dealloc}, ptr::NonNull, marker::PhantomData};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_mut` and `to_end` are never used
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> LinkedList<T> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn next_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn to_end(&mut self) -> &mut Self {
[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 0.19s
[INFO] running `Command { std: "docker" "inspect" "e0806e62c8a06284d8d9590db82f3fdb9ac028d38e50a00732615f326bb36039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0806e62c8a06284d8d9590db82f3fdb9ac028d38e50a00732615f326bb36039", kill_on_drop: false }`
[INFO] [stdout] e0806e62c8a06284d8d9590db82f3fdb9ac028d38e50a00732615f326bb36039
[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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 72b189d7f4a8c8241c8e167d397a3410b3767e042c1ce13fa1b2a00a24ae4516
[INFO] running `Command { std: "docker" "start" "-a" "72b189d7f4a8c8241c8e167d397a3410b3767e042c1ce13fa1b2a00a24ae4516", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/main.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{alloc::{Layout, alloc, dealloc}, ptr::NonNull, marker::PhantomData};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_mut` and `to_end` are never used
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> LinkedList<T> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn next_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn to_end(&mut self) -> &mut Self {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "72b189d7f4a8c8241c8e167d397a3410b3767e042c1ce13fa1b2a00a24ae4516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b189d7f4a8c8241c8e167d397a3410b3767e042c1ce13fa1b2a00a24ae4516", kill_on_drop: false }`
[INFO] [stdout] 72b189d7f4a8c8241c8e167d397a3410b3767e042c1ce13fa1b2a00a24ae4516