[INFO] cloning repository https://github.com/djcsdy/blobdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djcsdy/blobdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjcsdy%2Fblobdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjcsdy%2Fblobdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a284696cc72403fef21af6b5e9d7465eca3a24f
[INFO] checking djcsdy/blobdb against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjcsdy%2Fblobdb" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djcsdy/blobdb on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djcsdy/blobdb
[INFO] finished tweaking git repo https://github.com/djcsdy/blobdb
[INFO] tweaked toml for git repo https://github.com/djcsdy/blobdb written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/djcsdy/blobdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 187939542aaaf3156f958fa587d90eb7a0ff7469ed524349ee6285276b87f0ea
[INFO] running `Command { std: "docker" "start" "-a" "187939542aaaf3156f958fa587d90eb7a0ff7469ed524349ee6285276b87f0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187939542aaaf3156f958fa587d90eb7a0ff7469ed524349ee6285276b87f0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187939542aaaf3156f958fa587d90eb7a0ff7469ed524349ee6285276b87f0ea", kill_on_drop: false }`
[INFO] [stdout] 187939542aaaf3156f958fa587d90eb7a0ff7469ed524349ee6285276b87f0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ab7a462022ed5458af2dc83dcd58cc472cf6ac04f7cf06202666ea0cdc4d4f
[INFO] running `Command { std: "docker" "start" "-a" "57ab7a462022ed5458af2dc83dcd58cc472cf6ac04f7cf06202666ea0cdc4d4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking blobdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lib::blob_id::BlobId`
[INFO] [stdout]  --> src/lib/packet/packet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::blob_id::BlobId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::packet::blob_data::BlobDataPacket`
[INFO] [stdout]  --> src/lib/packet/packet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lib::packet::blob_data::BlobDataPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::packet::raw::RawPacket`
[INFO] [stdout]  --> src/lib/packet/packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lib::packet::raw::RawPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::blob_id::BlobId`
[INFO] [stdout]  --> src/lib/packet/packet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lib::blob_id::BlobId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::packet::blob_data::BlobDataPacket`
[INFO] [stdout]  --> src/lib/packet/packet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lib::packet::blob_data::BlobDataPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::packet::raw::RawPacket`
[INFO] [stdout]  --> src/lib/packet/packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lib::packet::raw::RawPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]  --> src/lib/blob_id.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn name(&self) -> PathBuf {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]  --> src/lib/block.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Block {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/block.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new<I, P>(db_id: DbId, packets: I) -> Block
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/lib/block.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read<R>(reader: &mut R) -> io::Result<Block>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digest`
[INFO] [stdout]   --> src/lib/block.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn digest(&self) -> [u8; 32] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/lib/db.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn open(path: &Path) -> io::Result<Db> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_dir`
[INFO] [stdout]   --> src/lib/db.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open_dir(path: &Path) -> io::Result<Db> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(blob_id: BlobId, offset: u64, data: Vec<u8>) -> BlobDataPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blob_id`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn blob_id(&self) -> BlobId {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/lib/packet/raw.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R>(reader: &mut R) -> io::Result<RawPacket>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]  --> src/lib/blob_id.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn name(&self) -> PathBuf {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]  --> src/lib/block.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Block {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/block.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new<I, P>(db_id: DbId, packets: I) -> Block
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/lib/block.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read<R>(reader: &mut R) -> io::Result<Block>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digest`
[INFO] [stdout]   --> src/lib/block.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn digest(&self) -> [u8; 32] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/lib/db.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn open(path: &Path) -> io::Result<Db> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_dir`
[INFO] [stdout]   --> src/lib/db.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open_dir(path: &Path) -> io::Result<Db> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(blob_id: BlobId, offset: u64, data: Vec<u8>) -> BlobDataPacket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blob_id`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn blob_id(&self) -> BlobId {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/lib/packet/blob_data.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/lib/packet/raw.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn read<R>(reader: &mut R) -> io::Result<RawPacket>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "57ab7a462022ed5458af2dc83dcd58cc472cf6ac04f7cf06202666ea0cdc4d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ab7a462022ed5458af2dc83dcd58cc472cf6ac04f7cf06202666ea0cdc4d4f", kill_on_drop: false }`
[INFO] [stdout] 57ab7a462022ed5458af2dc83dcd58cc472cf6ac04f7cf06202666ea0cdc4d4f