[INFO] cloning repository https://github.com/Joshua-Wright/hardlink-deduplicator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joshua-Wright/hardlink-deduplicator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshua-Wright%2Fhardlink-deduplicator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshua-Wright%2Fhardlink-deduplicator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da207b3f7c6dc3b027f1aee3b022db061bd8454a
[INFO] checking Joshua-Wright/hardlink-deduplicator against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshua-Wright%2Fhardlink-deduplicator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joshua-Wright/hardlink-deduplicator on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joshua-Wright/hardlink-deduplicator
[INFO] finished tweaking git repo https://github.com/Joshua-Wright/hardlink-deduplicator
[INFO] tweaked toml for git repo https://github.com/Joshua-Wright/hardlink-deduplicator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Joshua-Wright/hardlink-deduplicator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c24a8f6c23ec505b6f82fc24b053161d4b9a0dd3fd82bb51fb3b9b41568e230f
[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" "c24a8f6c23ec505b6f82fc24b053161d4b9a0dd3fd82bb51fb3b9b41568e230f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24a8f6c23ec505b6f82fc24b053161d4b9a0dd3fd82bb51fb3b9b41568e230f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24a8f6c23ec505b6f82fc24b053161d4b9a0dd3fd82bb51fb3b9b41568e230f", kill_on_drop: false }`
[INFO] [stdout] c24a8f6c23ec505b6f82fc24b053161d4b9a0dd3fd82bb51fb3b9b41568e230f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd18c6a2812beda6d1a7d20474c67a2b4126e5f1010a63dc64844067a3219a3
[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" "8fd18c6a2812beda6d1a7d20474c67a2b4126e5f1010a63dc64844067a3219a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling fasthash-sys v0.3.2 (https://github.com/Joshua-Wright/rust-fasthash/?rev=bd0ef9b9391ca80d1a115c3207e1f8417bb4c6b9#bd0ef9b9)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking fasthash v0.4.0 (https://github.com/Joshua-Wright/rust-fasthash/?rev=bd0ef9b9391ca80d1a115c3207e1f8417bb4c6b9#bd0ef9b9)
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling mockall_derive v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking mockall v0.7.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking humantime-serde v1.0.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking hardlink-deduplicator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `accessed`
[INFO] [stdout]   --> src/lib/file_entry.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (size, modified, accessed, created, inode) = fs.metadata(&absolute_path)?;
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hash_to_hex_str`
[INFO] [stdout]   --> src/lib/fast_hash.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hash_to_hex_str(hash: u128) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reload_from_disk`
[INFO] [stdout]   --> src/lib/file_entry.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn reload_from_disk<F: fs::AbstractFs, P1: AsRef<Path>>(&self, fs: &F, base_path: P1) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `relative_folder`
[INFO] [stdout]   --> src/lib/file_entry.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn relative_folder(&self) -> &Path {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accessed`
[INFO] [stdout]   --> src/lib/file_entry.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (size, modified, accessed, created, inode) = fs.metadata(&absolute_path)?;
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reload_from_disk`
[INFO] [stdout]   --> src/lib/file_entry.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn reload_from_disk<F: fs::AbstractFs, P1: AsRef<Path>>(&self, fs: &F, base_path: P1) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 1m 07s
[INFO] running `Command { std: "docker" "inspect" "8fd18c6a2812beda6d1a7d20474c67a2b4126e5f1010a63dc64844067a3219a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd18c6a2812beda6d1a7d20474c67a2b4126e5f1010a63dc64844067a3219a3", kill_on_drop: false }`
[INFO] [stdout] 8fd18c6a2812beda6d1a7d20474c67a2b4126e5f1010a63dc64844067a3219a3