[INFO] fetching crate jump-dir 0.0.0...
[INFO] checking jump-dir-0.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate jump-dir 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate jump-dir 0.0.0
[INFO] finished tweaking crates.io crate jump-dir 0.0.0
[INFO] tweaked toml for crates.io crate jump-dir 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jump-dir 0.0.0 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 jump-dir 0.0.0 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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04dc6039e192d29646c8f6dc5622b6b398ab5baf8dc9ce1680ae4a2134eb53d
[INFO] running `Command { std: "docker" "start" "-a" "c04dc6039e192d29646c8f6dc5622b6b398ab5baf8dc9ce1680ae4a2134eb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04dc6039e192d29646c8f6dc5622b6b398ab5baf8dc9ce1680ae4a2134eb53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04dc6039e192d29646c8f6dc5622b6b398ab5baf8dc9ce1680ae4a2134eb53d", kill_on_drop: false }`
[INFO] [stdout] c04dc6039e192d29646c8f6dc5622b6b398ab5baf8dc9ce1680ae4a2134eb53d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d2c12fb6a3ad2c75bd365dff6ef0008a828ff600e9a1ae5fea41ab93076dae
[INFO] running `Command { std: "docker" "start" "-a" "70d2c12fb6a3ad2c75bd365dff6ef0008a828ff600e9a1ae5fea41ab93076dae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking jump-dir v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]   --> src/crawl.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::{borrow::Cow, ffi, fs, path::PathBuf};
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]   --> src/crawl.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::{borrow::Cow, ffi, fs, path::PathBuf};
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/lib.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) fn add(left: u64, right: u64) -> u64 { left + right }
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntryHandle` is never constructed
[INFO] [stdout]   --> src/crawl.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EntryHandle<'d> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `full_path` are never used
[INFO] [stdout]   --> src/crawl.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'d> EntryHandle<'d> {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 30 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 31 |
[INFO] [stdout] 32 |   pub fn full_path(&self) -> PathBuf { self.inner.path() }
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crawl.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<'d> FileEntry<'d> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 40 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crawl.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'d> DirEntry<'d> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 50 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dir` is never constructed
[INFO] [stdout]   --> src/handles.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Dir(*mut libc::DIR);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntryHandle` is never constructed
[INFO] [stdout]   --> src/crawl.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EntryHandle<'d> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `full_path` are never used
[INFO] [stdout]   --> src/crawl.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'d> EntryHandle<'d> {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 30 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 31 |
[INFO] [stdout] 32 |   pub fn full_path(&self) -> PathBuf { self.inner.path() }
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crawl.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<'d> FileEntry<'d> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 40 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/crawl.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'d> DirEntry<'d> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 50 |   pub(crate) const fn new(inner: &'d fs::DirEntry) -> Self { Self { inner } }
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dir` is never constructed
[INFO] [stdout]   --> src/handles.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Dir(*mut libc::DIR);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "70d2c12fb6a3ad2c75bd365dff6ef0008a828ff600e9a1ae5fea41ab93076dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d2c12fb6a3ad2c75bd365dff6ef0008a828ff600e9a1ae5fea41ab93076dae", kill_on_drop: false }`
[INFO] [stdout] 70d2c12fb6a3ad2c75bd365dff6ef0008a828ff600e9a1ae5fea41ab93076dae