[INFO] cloning repository https://github.com/Jereq/Rust-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jereq/Rust-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJereq%2FRust-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJereq%2FRust-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f63213efaa95b0467c5c1730576cd7ebc804b4
[INFO] testing Jereq/Rust-linked-list against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJereq%2FRust-linked-list" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jereq/Rust-linked-list on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jereq/Rust-linked-list
[INFO] finished tweaking git repo https://github.com/Jereq/Rust-linked-list
[INFO] tweaked toml for git repo https://github.com/Jereq/Rust-linked-list written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/Jereq/Rust-linked-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3584eab3bb03a6843cedd265271addfd68d2ca30d9579cff6428b7b24d3323c3
[INFO] running `Command { std: "docker" "start" "-a" "3584eab3bb03a6843cedd265271addfd68d2ca30d9579cff6428b7b24d3323c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3584eab3bb03a6843cedd265271addfd68d2ca30d9579cff6428b7b24d3323c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3584eab3bb03a6843cedd265271addfd68d2ca30d9579cff6428b7b24d3323c3", kill_on_drop: false }`
[INFO] [stdout] 3584eab3bb03a6843cedd265271addfd68d2ca30d9579cff6428b7b24d3323c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38fe3897402936cd2ca1492793118d4e3bd0b9e8b51b8f149bb9237406b7e97c
[INFO] running `Command { std: "docker" "start" "-a" "38fe3897402936cd2ca1492793118d4e3bd0b9e8b51b8f149bb9237406b7e97c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked_circular_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `std::boxed`
[INFO] [stdout]    --> src/main.rs:208:31
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let nn = unsafe{std::boxed::into_raw(n)};
[INFO] [stdout]     |                                     ^^^^^^^^ not found in `std::boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_circular_buffer` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "38fe3897402936cd2ca1492793118d4e3bd0b9e8b51b8f149bb9237406b7e97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fe3897402936cd2ca1492793118d4e3bd0b9e8b51b8f149bb9237406b7e97c", kill_on_drop: false }`
[INFO] [stdout] 38fe3897402936cd2ca1492793118d4e3bd0b9e8b51b8f149bb9237406b7e97c