[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] c90bfbfd96c85206758851107381bd137c06c6c5
[INFO] testing djcsdy/blobdb against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjcsdy%2Fblobdb" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djcsdy/blobdb on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c033c38be224ba8854398530cac22dccefe2a61a9d74f124841da30585e370d8
[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" "c033c38be224ba8854398530cac22dccefe2a61a9d74f124841da30585e370d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c033c38be224ba8854398530cac22dccefe2a61a9d74f124841da30585e370d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c033c38be224ba8854398530cac22dccefe2a61a9d74f124841da30585e370d8", kill_on_drop: false }`
[INFO] [stdout] c033c38be224ba8854398530cac22dccefe2a61a9d74f124841da30585e370d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007959eb06451d0ea8c3a4677cbe328a7640db2953220badb7937ec5b386486b
[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" "007959eb06451d0ea8c3a4677cbe328a7640db2953220badb7937ec5b386486b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[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]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling blobdb v0.1.0 (/opt/rustwide/workdir)
[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: `read`
[INFO] [stdout]   --> src/lib/block.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     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:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     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: `read`
[INFO] [stdout]   --> src/lib/packet.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn read<R>(reader: &mut R) -> io::Result<RawPacket>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blob_id`
[INFO] [stdout]   --> src/lib/packet.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     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.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "007959eb06451d0ea8c3a4677cbe328a7640db2953220badb7937ec5b386486b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007959eb06451d0ea8c3a4677cbe328a7640db2953220badb7937ec5b386486b", kill_on_drop: false }`
[INFO] [stdout] 007959eb06451d0ea8c3a4677cbe328a7640db2953220badb7937ec5b386486b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7da5c74af063f4ce905524664b88167f7787979c7f12b0711f0487299a3d89
[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" "5e7da5c74af063f4ce905524664b88167f7787979c7f12b0711f0487299a3d89", kill_on_drop: false }`
[INFO] [stderr]    Compiling blobdb v0.1.0 (/opt/rustwide/workdir)
[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: `read`
[INFO] [stdout]   --> src/lib/block.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     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:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     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: `read`
[INFO] [stdout]   --> src/lib/packet.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn read<R>(reader: &mut R) -> io::Result<RawPacket>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blob_id`
[INFO] [stdout]   --> src/lib/packet.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     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.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "5e7da5c74af063f4ce905524664b88167f7787979c7f12b0711f0487299a3d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7da5c74af063f4ce905524664b88167f7787979c7f12b0711f0487299a3d89", kill_on_drop: false }`
[INFO] [stdout] 5e7da5c74af063f4ce905524664b88167f7787979c7f12b0711f0487299a3d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2bb09da50c234c71852dd82c93e0ba0b7a542b2ef823073f1cbd1860b605283
[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" "a2bb09da50c234c71852dd82c93e0ba0b7a542b2ef823073f1cbd1860b605283", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]  --> src/lib/blob_id.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn name(&self) -> PathBuf {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]  --> src/lib/block.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Block {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/lib/block.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn read<R>(reader: &mut R) -> io::Result<Block>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `digest`
[INFO] [stderr]   --> src/lib/block.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn digest(&self) -> [u8; 32] {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open`
[INFO] [stderr]   --> src/lib/db.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn open(path: &Path) -> io::Result<Db> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open_dir`
[INFO] [stderr]   --> src/lib/db.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn open_dir(path: &Path) -> io::Result<Db> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/lib/packet.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn read<R>(reader: &mut R) -> io::Result<RawPacket>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `blob_id`
[INFO] [stderr]   --> src/lib/packet.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn blob_id(&self) -> BlobId {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `offset`
[INFO] [stderr]   --> src/lib/packet.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn offset(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `data`
[INFO] [stderr]   --> src/lib/packet.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn data(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blobdb` (bin "blobdb" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blobdb-dcff16a179f80761)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2bb09da50c234c71852dd82c93e0ba0b7a542b2ef823073f1cbd1860b605283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bb09da50c234c71852dd82c93e0ba0b7a542b2ef823073f1cbd1860b605283", kill_on_drop: false }`
[INFO] [stdout] a2bb09da50c234c71852dd82c93e0ba0b7a542b2ef823073f1cbd1860b605283