[INFO] fetching crate treewalk 0.1.4...
[INFO] checking treewalk-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate treewalk 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate treewalk 0.1.4
[INFO] finished tweaking crates.io crate treewalk 0.1.4
[INFO] tweaked toml for crates.io crate treewalk 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treewalk 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate treewalk 0.1.4 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c520ae89192da31c06a163c11836acb5d287f85465b598032b9ce01dfc29f13e
[INFO] running `Command { std: "docker" "start" "-a" "c520ae89192da31c06a163c11836acb5d287f85465b598032b9ce01dfc29f13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c520ae89192da31c06a163c11836acb5d287f85465b598032b9ce01dfc29f13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c520ae89192da31c06a163c11836acb5d287f85465b598032b9ce01dfc29f13e", kill_on_drop: false }`
[INFO] [stdout] c520ae89192da31c06a163c11836acb5d287f85465b598032b9ce01dfc29f13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954391c992b2506911c785f757358d384bd7d3361b18fbb28731c403928a8d09
[INFO] running `Command { std: "docker" "start" "-a" "954391c992b2506911c785f757358d384bd7d3361b18fbb28731c403928a8d09", kill_on_drop: false }`
[INFO] [stderr]     Checking treewalk v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/walk/comparison.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl SizeQuery {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new(name: Option<PathBuf>, size: u64, unique: bool) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/walk/comparison.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl SizeQuery {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new(name: Option<PathBuf>, size: u64, unique: bool) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format::Units`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use format::Units;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `comparison`, `lineage`, and `utils`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use treewalk::walk::{comparison, format, lineage, utils};
[INFO] [stdout]   |                      ^^^^^^^^^^          ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/walk.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let children_children: Vec<PathBuf> =
[INFO] [stdout]    |                                ------------ expected due to this
[INFO] [stdout] 32 |             lineage::get_all_children(&PathBuf::from("./tests/test_files/children"));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Vec<PathBuf>`, found `Result<Vec<PathBuf>, Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<_>`
[INFO] [stdout]                 found enum `Result<Vec<_>, std::io::Error>`
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<Vec<PathBuf>, std::io::Error>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 32 |             lineage::get_all_children(&PathBuf::from("./tests/test_files/children")).expect("REASON");
[INFO] [stdout]    |                                                                                     +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/walk.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let comparison_children: Vec<PathBuf> =
[INFO] [stdout]    |                                  ------------ expected due to this
[INFO] [stdout] 60 |             lineage::get_all_children(&test_comparison_directory);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Vec<PathBuf>`, found `Result<Vec<PathBuf>, Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<_>`
[INFO] [stdout]                 found enum `Result<Vec<_>, std::io::Error>`
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<Vec<PathBuf>, std::io::Error>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 60 |             lineage::get_all_children(&test_comparison_directory).expect("REASON");
[INFO] [stdout]    |                                                                  +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `format::Units`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use format::Units;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `comparison`, `lineage`, and `utils`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use treewalk::walk::{comparison, format, lineage, utils};
[INFO] [stdout]   |                      ^^^^^^^^^^          ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treewalk` (test "walk") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "954391c992b2506911c785f757358d384bd7d3361b18fbb28731c403928a8d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954391c992b2506911c785f757358d384bd7d3361b18fbb28731c403928a8d09", kill_on_drop: false }`
[INFO] [stdout] 954391c992b2506911c785f757358d384bd7d3361b18fbb28731c403928a8d09