[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] checking Jereq/Rust-linked-list against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJereq%2FRust-linked-list" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jereq/Rust-linked-list on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b3bccc9f84ae35f246eb31a4fc2a7c97aac4c5e848c7a11d4743598223d564
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8b3bccc9f84ae35f246eb31a4fc2a7c97aac4c5e848c7a11d4743598223d564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b3bccc9f84ae35f246eb31a4fc2a7c97aac4c5e848c7a11d4743598223d564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b3bccc9f84ae35f246eb31a4fc2a7c97aac4c5e848c7a11d4743598223d564", kill_on_drop: false }`
[INFO] [stdout] e8b3bccc9f84ae35f246eb31a4fc2a7c97aac4c5e848c7a11d4743598223d564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db622bf9ec50ddfed74fe0bd0fe41c92ec74a7feb9b1c4566e875565e8c01ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3db622bf9ec50ddfed74fe0bd0fe41c92ec74a7feb9b1c4566e875565e8c01ac", kill_on_drop: false }`
[INFO] [stderr]     Checking 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[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_circular_buffer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3db622bf9ec50ddfed74fe0bd0fe41c92ec74a7feb9b1c4566e875565e8c01ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db622bf9ec50ddfed74fe0bd0fe41c92ec74a7feb9b1c4566e875565e8c01ac", kill_on_drop: false }`
[INFO] [stdout] 3db622bf9ec50ddfed74fe0bd0fe41c92ec74a7feb9b1c4566e875565e8c01ac