[INFO] cloning repository https://github.com/dtwood/rust-allocator-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtwood/rust-allocator-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a1c8be0c9f1750af732456b12ef71370d28850a
[INFO] checking dtwood/rust-allocator-demo against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtwood%2Frust-allocator-demo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dtwood/rust-allocator-demo
[INFO] finished tweaking git repo https://github.com/dtwood/rust-allocator-demo
[INFO] tweaked toml for git repo https://github.com/dtwood/rust-allocator-demo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dtwood/rust-allocator-demo on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dtwood/rust-allocator-demo 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728
[INFO] running `Command { std: "docker" "start" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.0
[INFO] [stdout] error[E0599]: no method named `dangling` found for struct `Layout` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/linked_list_allocator-0.9.0/src/lib.rs:162:60
[INFO] [stdout]     |
[INFO] [stdout] 162 |             return Ok(NonNull::slice_from_raw_parts(layout.dangling(), 0));
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dangling_ptr` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 162 |             return Ok(NonNull::slice_from_raw_parts(layout.dangling_ptr(), 0));
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728", kill_on_drop: false }`
[INFO] [stdout] bce52af4a25b32346b6a40e05929c465159fe9c9c5efcace0e83bfa00d0d5728
