[INFO] fetching crate depot 0.2.0...
[INFO] checking depot-0.2.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate depot 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate depot 0.2.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate depot 0.2.0
[INFO] finished tweaking crates.io crate depot 0.2.0
[INFO] tweaked toml for crates.io crate depot 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e3994e79322ac3d20e150203c9a01a3db91da2c5ee3507b528a94d517f94c71
[INFO] running `Command { std: "docker" "start" "-a" "4e3994e79322ac3d20e150203c9a01a3db91da2c5ee3507b528a94d517f94c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3994e79322ac3d20e150203c9a01a3db91da2c5ee3507b528a94d517f94c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3994e79322ac3d20e150203c9a01a3db91da2c5ee3507b528a94d517f94c71", kill_on_drop: false }`
[INFO] [stdout] 4e3994e79322ac3d20e150203c9a01a3db91da2c5ee3507b528a94d517f94c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d4264c80a3cb330480b57285a9873cc8203f583e248782f48b0a5810701c98
[INFO] running `Command { std: "docker" "start" "-a" "55d4264c80a3cb330480b57285a9873cc8203f583e248782f48b0a5810701c98", kill_on_drop: false }`
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking depot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/queue.rs:379:25
[INFO] [stdout]     |
[INFO] [stdout] 379 |     section: Option<Box<Iterator<Item = io::Result<SectionItem>>>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |     section: Option<Box<dyn Iterator<Item = io::Result<SectionItem>>>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `read_chunk_size` and `write_chunk_size` are never read
[INFO] [stdout]    --> src/section.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub(crate) struct SectionWriter {
[INFO] [stdout]     |                   ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     read_chunk_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 254 |     write_chunk_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SectionWriter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/queue.rs:379:25
[INFO] [stdout]     |
[INFO] [stdout] 379 |     section: Option<Box<Iterator<Item = io::Result<SectionItem>>>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |     section: Option<Box<dyn Iterator<Item = io::Result<SectionItem>>>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `read_chunk_size` and `write_chunk_size` are never read
[INFO] [stdout]    --> src/section.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub(crate) struct SectionWriter {
[INFO] [stdout]     |                   ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     read_chunk_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 254 |     write_chunk_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SectionWriter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "55d4264c80a3cb330480b57285a9873cc8203f583e248782f48b0a5810701c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d4264c80a3cb330480b57285a9873cc8203f583e248782f48b0a5810701c98", kill_on_drop: false }`
[INFO] [stdout] 55d4264c80a3cb330480b57285a9873cc8203f583e248782f48b0a5810701c98
