[INFO] fetching crate platform-treesmethods 0.1.0-aplha.2...
[INFO] checking platform-treesmethods-0.1.0-aplha.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate platform-treesmethods 0.1.0-aplha.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate platform-treesmethods 0.1.0-aplha.2
[INFO] finished tweaking crates.io crate platform-treesmethods 0.1.0-aplha.2
[INFO] tweaked toml for crates.io crate platform-treesmethods 0.1.0-aplha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate platform-treesmethods 0.1.0-aplha.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a560b22a0b7839ce3efb33173d70bc3a32c01fce9906dd6bb721a156ba89176
[INFO] running `Command { std: "docker" "start" "-a" "2a560b22a0b7839ce3efb33173d70bc3a32c01fce9906dd6bb721a156ba89176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a560b22a0b7839ce3efb33173d70bc3a32c01fce9906dd6bb721a156ba89176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a560b22a0b7839ce3efb33173d70bc3a32c01fce9906dd6bb721a156ba89176", kill_on_drop: false }`
[INFO] [stdout] 2a560b22a0b7839ce3efb33173d70bc3a32c01fce9906dd6bb721a156ba89176
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be06fe0ec134d22e8e7a70c8b35678db5a268d6de3a592b039c0f6a406a1c1b5
[INFO] running `Command { std: "docker" "start" "-a" "be06fe0ec134d22e8e7a70c8b35678db5a268d6de3a592b039c0f6a406a1c1b5", kill_on_drop: false }`
[INFO] [stderr]     Checking platform-num v0.1.0-aplha.1
[INFO] [stderr]     Checking platform-treesmethods v0.1.0-aplha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::default::default`
[INFO] [stdout]  --> src/trees/no_recur_szb_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `default` in `default`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::default::default;
[INFO] [stdout] 1 + use std::default::Default;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::default::default;
[INFO] [stdout] 1 + use std::default;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `platform-treesmethods` (lib) due to 2 previous errors
[INFO] [stdout] error[E0635]: unknown feature `default_free_fn`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_free_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::default::default`
[INFO] [stdout]  --> src/trees/no_recur_szb_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `default` in `default`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::default::default;
[INFO] [stdout] 1 + use std::default::Default;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::default::default;
[INFO] [stdout] 1 + use std::default;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `default_free_fn`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_free_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `platform-treesmethods` (lib test) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be06fe0ec134d22e8e7a70c8b35678db5a268d6de3a592b039c0f6a406a1c1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be06fe0ec134d22e8e7a70c8b35678db5a268d6de3a592b039c0f6a406a1c1b5", kill_on_drop: false }`
[INFO] [stdout] be06fe0ec134d22e8e7a70c8b35678db5a268d6de3a592b039c0f6a406a1c1b5