[INFO] cloning repository https://github.com/gdanezis/auth_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gdanezis/auth_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdanezis%2Fauth_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdanezis%2Fauth_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e149938aa7ea41141c74535b001970cf49fc92ed
[INFO] checking gdanezis/auth_db against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdanezis%2Fauth_db" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gdanezis/auth_db on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/gdanezis/auth_db
[INFO] finished tweaking git repo https://github.com/gdanezis/auth_db
[INFO] tweaked toml for git repo https://github.com/gdanezis/auth_db written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gdanezis/auth_db 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc5fe75fc6037fcc84b6f74f9e94947c009202accae151d60fdadc698b44299
[INFO] running `Command { std: "docker" "start" "-a" "0fc5fe75fc6037fcc84b6f74f9e94947c009202accae151d60fdadc698b44299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc5fe75fc6037fcc84b6f74f9e94947c009202accae151d60fdadc698b44299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc5fe75fc6037fcc84b6f74f9e94947c009202accae151d60fdadc698b44299", kill_on_drop: false }`
[INFO] [stdout] 0fc5fe75fc6037fcc84b6f74f9e94947c009202accae151d60fdadc698b44299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d748b561430eadeee8084cac55c1babd0532f20e6c5f2eb901669d73035888e
[INFO] running `Command { std: "docker" "start" "-a" "3d748b561430eadeee8084cac55c1babd0532f20e6c5f2eb901669d73035888e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking auth_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `digest`, `path`, and `data` are never read
[INFO] [stdout]    --> src/auth_db.rs:739:5
[INFO] [stdout]     |
[INFO] [stdout] 737 | pub struct AuthTreeEntry {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 738 |     key: AKey,
[INFO] [stdout] 739 |     digest: [u8; DIGEST_SIZE],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 740 |     path: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 741 |     data: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuthTreeEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `digest`, `path`, and `data` are never read
[INFO] [stdout]    --> src/auth_db.rs:739:5
[INFO] [stdout]     |
[INFO] [stdout] 737 | pub struct AuthTreeEntry {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 738 |     key: AKey,
[INFO] [stdout] 739 |     digest: [u8; DIGEST_SIZE],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 740 |     path: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 741 |     data: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AuthTreeEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "3d748b561430eadeee8084cac55c1babd0532f20e6c5f2eb901669d73035888e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d748b561430eadeee8084cac55c1babd0532f20e6c5f2eb901669d73035888e", kill_on_drop: false }`
[INFO] [stdout] 3d748b561430eadeee8084cac55c1babd0532f20e6c5f2eb901669d73035888e