[INFO] cloning repository https://github.com/diondokter/unified-storage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diondokter/unified-storage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiondokter%2Funified-storage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiondokter%2Funified-storage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1f65ee8c12d13109a6ae45240e839c735c550bb
[INFO] checking diondokter/unified-storage against 6d99ee30d95360fa108a71e3985c92ca3f0fd6dc for pr-161154-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiondokter%2Funified-storage" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/diondokter/unified-storage
[INFO] finished tweaking git repo https://github.com/diondokter/unified-storage
[INFO] tweaked toml for git repo https://github.com/diondokter/unified-storage written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/diondokter/unified-storage on toolchain 6d99ee30d95360fa108a71e3985c92ca3f0fd6dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d99ee30d95360fa108a71e3985c92ca3f0fd6dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/diondokter/unified-storage 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" "+6d99ee30d95360fa108a71e3985c92ca3f0fd6dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4
[INFO] running `Command { std: "docker" "start" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4" "/opt/rustwide/cargo-home/bin/cargo" "+6d99ee30d95360fa108a71e3985c92ca3f0fd6dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4" "/opt/rustwide/cargo-home/bin/cargo" "+6d99ee30d95360fa108a71e3985c92ca3f0fd6dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking unified-storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/mock.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 |     async fn read(&mut self, offset: u64, bytes: &mut [u8]) -> Result<(), Self::Error> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/mock.rs:73:43
[INFO] [stdout]    |
[INFO] [stdout] 73 |     async fn read(&mut self, offset: u64, bytes: &mut [u8]) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/mock.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn write(&mut self, offset: u64, bytes: &[u8]) -> Result<(), Self::Error> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/mock.rs:107:44
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn write(&mut self, offset: u64, bytes: &[u8]) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/mock.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 |     async fn read(&mut self, offset: u64, bytes: &mut [u8]) -> Result<(), Self::Error> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/mock.rs:73:43
[INFO] [stdout]    |
[INFO] [stdout] 73 |     async fn read(&mut self, offset: u64, bytes: &mut [u8]) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/mock.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn write(&mut self, offset: u64, bytes: &[u8]) -> Result<(), Self::Error> {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/mock.rs:107:44
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn write(&mut self, offset: u64, bytes: &[u8]) -> Result<(), Self::Error> {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4", kill_on_drop: false }`
[INFO] [stdout] a273524c30db43e41b5631333ab7ceb4a5fb94051d7c69ae26b43e63ff0219e4