[INFO] fetching crate growable 0.6.0...
[INFO] testing growable-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate growable 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate growable 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate growable 0.6.0
[INFO] finished tweaking crates.io crate growable 0.6.0
[INFO] tweaked toml for crates.io crate growable 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddac41b9b6d7a5369d2e0fae65aa904858971faffa26bc5c9c2fed185e168870
[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" "ddac41b9b6d7a5369d2e0fae65aa904858971faffa26bc5c9c2fed185e168870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddac41b9b6d7a5369d2e0fae65aa904858971faffa26bc5c9c2fed185e168870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddac41b9b6d7a5369d2e0fae65aa904858971faffa26bc5c9c2fed185e168870", kill_on_drop: false }`
[INFO] [stdout] ddac41b9b6d7a5369d2e0fae65aa904858971faffa26bc5c9c2fed185e168870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4225c38b877b79b472fe52a8e7e7e5a0debd21f39305264fa43c13b73f10048
[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" "e4225c38b877b79b472fe52a8e7e7e5a0debd21f39305264fa43c13b73f10048", kill_on_drop: false }`
[INFO] [stderr]    Compiling growable v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::alloc::AllocInit`, `std::alloc::MemoryBlock`, `std::alloc::ReallocPlacement`
[INFO] [stdout]   --> src/lib.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     alloc::{handle_alloc_error, AllocInit, AllocRef, Global, Layout, MemoryBlock, ReallocPlacement},
[INFO] [stdout]    |                                 ^^^^^^^^^                            ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^ no `ReallocPlacement` in `alloc`
[INFO] [stdout]    |                                 |                                    |
[INFO] [stdout]    |                                 no `AllocInit` in `alloc`            no `MemoryBlock` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(allocator_api, coerce_unsized, unsize)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:446:20
[INFO] [stdout]     |
[INFO] [stdout] 446 |             Global.alloc(layout, AllocInit::Uninitialized).unwrap_or_else(|_| handle_alloc_error(layout))
[INFO] [stdout]     |                    ^^^^^ ------  ------------------------ supplied 2 arguments
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 5 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:525:24
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 Global.grow(self.ptr, layout_curr, len, ReallocPlacement::MayMove, AllocInit::Uninitialized)
[INFO] [stdout]     |                        ^^^^ --------  -----------  ---  -------------------------  ------------------------ supplied 5 arguments
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:529:24
[INFO] [stdout]     |
[INFO] [stdout] 529 |                 Global.alloc(layout, AllocInit::Uninitialized)
[INFO] [stdout]     |                        ^^^^^ ------  ------------------------ supplied 2 arguments
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `growable`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e4225c38b877b79b472fe52a8e7e7e5a0debd21f39305264fa43c13b73f10048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4225c38b877b79b472fe52a8e7e7e5a0debd21f39305264fa43c13b73f10048", kill_on_drop: false }`
[INFO] [stdout] e4225c38b877b79b472fe52a8e7e7e5a0debd21f39305264fa43c13b73f10048