[INFO] fetching crate platter-walk 0.1.2...
[INFO] checking platter-walk-0.1.2 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate platter-walk 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate platter-walk 0.1.2 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate platter-walk 0.1.2
[INFO] finished tweaking crates.io crate platter-walk 0.1.2
[INFO] tweaked toml for crates.io crate platter-walk 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bd6a39da08bac46d8e6022d9ac6f6d1f8ed1f35ebcb4cb2614ef98215e66d03
[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" "6bd6a39da08bac46d8e6022d9ac6f6d1f8ed1f35ebcb4cb2614ef98215e66d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd6a39da08bac46d8e6022d9ac6f6d1f8ed1f35ebcb4cb2614ef98215e66d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd6a39da08bac46d8e6022d9ac6f6d1f8ed1f35ebcb4cb2614ef98215e66d03", kill_on_drop: false }`
[INFO] [stdout] 6bd6a39da08bac46d8e6022d9ac6f6d1f8ed1f35ebcb4cb2614ef98215e66d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c684f73d3863031286ab604b8491b0f9419c20e1f1e7001c4bbf75c0fa24035c
[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" "c684f73d3863031286ab604b8491b0f9419c20e1f1e7001c4bbf75c0fa24035c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking mnt v0.3.1
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]     Checking platter-walk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |     prefilter: Option<Box<Fn(&Path, &FileType) -> bool>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path, &FileType) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:49
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn set_prefilter(&mut self, filter: Box<Fn(&Path, &FileType) -> bool>) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path, &FileType) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/lib.rs:368:28
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         if { !to_add.extents.is_empty() } {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |     prefilter: Option<Box<Fn(&Path, &FileType) -> bool>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path, &FileType) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:49
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn set_prefilter(&mut self, filter: Box<Fn(&Path, &FileType) -> bool>) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path, &FileType) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/lib.rs:368:28
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         if { !to_add.extents.is_empty() } {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_fetched`
[INFO] [stdout]    --> src/lib.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_fetched`
[INFO] [stdout]    --> src/lib.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let prev_fetched = self.prefetched.len();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_fetched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "c684f73d3863031286ab604b8491b0f9419c20e1f1e7001c4bbf75c0fa24035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c684f73d3863031286ab604b8491b0f9419c20e1f1e7001c4bbf75c0fa24035c", kill_on_drop: false }`
[INFO] [stdout] c684f73d3863031286ab604b8491b0f9419c20e1f1e7001c4bbf75c0fa24035c