[INFO] fetching crate idx_parser 0.3.0...
[INFO] testing idx_parser-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate idx_parser 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate idx_parser 0.3.0
[INFO] finished tweaking crates.io crate idx_parser 0.3.0
[INFO] tweaked toml for crates.io crate idx_parser 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate idx_parser 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ded14c0eebc32144ccfb3772a00555973e29fb933989e5cc49580a67b1a4bff6
[INFO] running `Command { std: "docker" "start" "-a" "ded14c0eebc32144ccfb3772a00555973e29fb933989e5cc49580a67b1a4bff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded14c0eebc32144ccfb3772a00555973e29fb933989e5cc49580a67b1a4bff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded14c0eebc32144ccfb3772a00555973e29fb933989e5cc49580a67b1a4bff6", kill_on_drop: false }`
[INFO] [stdout] ded14c0eebc32144ccfb3772a00555973e29fb933989e5cc49580a67b1a4bff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9958fc2b11c62989e28cfaed3c02a78c94e8f7113513136b97e23e53e75b8e61
[INFO] running `Command { std: "docker" "start" "-a" "9958fc2b11c62989e28cfaed3c02a78c94e8f7113513136b97e23e53e75b8e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling idx_parser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |               DataType::Short => raw_data_bytes
[INFO] [stdout]    |  ________________________________-
[INFO] [stdout] 79 | |                 .array_chunks::<2>()
[INFO] [stdout]    | |                 -^^^^^^^^^^^^ `Vec<u8>` is not an iterator
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 .into_iter().array_chunks::<2>()
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |               DataType::Int => raw_data_bytes
[INFO] [stdout]    |  ______________________________-
[INFO] [stdout] 84 | |                 .array_chunks::<4>()
[INFO] [stdout]    | |                 -^^^^^^^^^^^^ `Vec<u8>` is not an iterator
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 .into_iter().array_chunks::<4>()
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:89:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |               DataType::Float => raw_data_bytes
[INFO] [stdout]    |  ________________________________-
[INFO] [stdout] 89 | |                 .array_chunks::<4>()
[INFO] [stdout]    | |                 -^^^^^^^^^^^^ `Vec<u8>` is not an iterator
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 .into_iter().array_chunks::<4>()
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/lib.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |               DataType::Double => raw_data_bytes
[INFO] [stdout]    |  _________________________________-
[INFO] [stdout] 94 | |                 .array_chunks::<8>()
[INFO] [stdout]    | |                 -^^^^^^^^^^^^ `Vec<u8>` is not an iterator
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 .into_iter().array_chunks::<8>()
[INFO] [stdout]    |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:102:46
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Matrix::Row(raw_data.iter().map(|d| Box::new(d.clone())).collect());
[INFO] [stdout]     |                                              ^           - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Matrix::Row(raw_data.iter().map(|d: /* Type */| Box::new(d.clone())).collect());
[INFO] [stdout]     |                                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idx_parser` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "9958fc2b11c62989e28cfaed3c02a78c94e8f7113513136b97e23e53e75b8e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9958fc2b11c62989e28cfaed3c02a78c94e8f7113513136b97e23e53e75b8e61", kill_on_drop: false }`
[INFO] [stdout] 9958fc2b11c62989e28cfaed3c02a78c94e8f7113513136b97e23e53e75b8e61
