[INFO] cloning repository https://github.com/jakubriha/ruvcs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubriha/ruvcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubriha%2Fruvcs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubriha%2Fruvcs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48a9099732359217b8ed72974d1eea9a043aad05
[INFO] checking jakubriha/ruvcs against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubriha%2Fruvcs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubriha/ruvcs on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubriha/ruvcs
[INFO] finished tweaking git repo https://github.com/jakubriha/ruvcs
[INFO] tweaked toml for git repo https://github.com/jakubriha/ruvcs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubriha/ruvcs 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3d5ac6d10e70ccf6e12359e2eb2e4b5fc96c62c7f5c6f1ed321d79a3e44ac8e
[INFO] running `Command { std: "docker" "start" "-a" "f3d5ac6d10e70ccf6e12359e2eb2e4b5fc96c62c7f5c6f1ed321d79a3e44ac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3d5ac6d10e70ccf6e12359e2eb2e4b5fc96c62c7f5c6f1ed321d79a3e44ac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d5ac6d10e70ccf6e12359e2eb2e4b5fc96c62c7f5c6f1ed321d79a3e44ac8e", kill_on_drop: false }`
[INFO] [stdout] f3d5ac6d10e70ccf6e12359e2eb2e4b5fc96c62c7f5c6f1ed321d79a3e44ac8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 356cecb57543f9a89feedbf047ddccbd783b16583872d3422f8e45779a98e7a4
[INFO] running `Command { std: "docker" "start" "-a" "356cecb57543f9a89feedbf047ddccbd783b16583872d3422f8e45779a98e7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking cpufeatures v0.2.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking ruvcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/tree.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/tree.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_from_content` is never used
[INFO] [stdout]   --> src/tree.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Key {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 49 |     fn generate_from_content(content: &[u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ObjectRepository` is never used
[INFO] [stdout]   --> src/tree.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait ObjectRepository {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSystemObjectRepository` is never constructed
[INFO] [stdout]   --> src/tree.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct FileSystemObjectRepository {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tree.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl FileSystemObjectRepository {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 65 |     pub fn new() -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_from_content` is never used
[INFO] [stdout]   --> src/tree.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Key {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 49 |     fn generate_from_content(content: &[u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ObjectRepository` is never used
[INFO] [stdout]   --> src/tree.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait ObjectRepository {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSystemObjectRepository` is never constructed
[INFO] [stdout]   --> src/tree.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct FileSystemObjectRepository {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tree.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl FileSystemObjectRepository {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 65 |     pub fn new() -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "356cecb57543f9a89feedbf047ddccbd783b16583872d3422f8e45779a98e7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356cecb57543f9a89feedbf047ddccbd783b16583872d3422f8e45779a98e7a4", kill_on_drop: false }`
[INFO] [stdout] 356cecb57543f9a89feedbf047ddccbd783b16583872d3422f8e45779a98e7a4