[INFO] fetching crate concatsql 0.3.0...
[INFO] checking concatsql-0.3.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate concatsql 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concatsql 0.3.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concatsql 0.3.0
[INFO] finished tweaking crates.io crate concatsql 0.3.0
[INFO] tweaked toml for crates.io crate concatsql 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84c896b349ce2b306a73deef51e420cfaa53e4da9f0faf467f972cf5eb7e96c4
[INFO] running `Command { std: "docker" "start" "-a" "84c896b349ce2b306a73deef51e420cfaa53e4da9f0faf467f972cf5eb7e96c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c896b349ce2b306a73deef51e420cfaa53e4da9f0faf467f972cf5eb7e96c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c896b349ce2b306a73deef51e420cfaa53e4da9f0faf467f972cf5eb7e96c4", kill_on_drop: false }`
[INFO] [stdout] 84c896b349ce2b306a73deef51e420cfaa53e4da9f0faf467f972cf5eb7e96c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c119078ef0b53077e1e3ff81f6979d8097fff626ae2d4d315e75fc6f878fa3c1
[INFO] running `Command { std: "docker" "start" "-a" "c119078ef0b53077e1e3ff81f6979d8097fff626ae2d4d315e75fc6f878fa3c1", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking temporary v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking concatsql v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `ConnKind`
[INFO] [stdout]   --> src/connection.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum ConnKind {
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) fn new<E1, E2>(error_level: &ErrorLevel, err_msg: E1, detail_msg: E2) -> Result<(), Error>
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/row.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn new(columns: Arc<[String]>) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `column`
[INFO] [stdout]   --> src/row.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn column(&self, index: usize) -> &str {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `columns`
[INFO] [stdout]   --> src/row.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn columns(&self) -> Arc<[String]> {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/row.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub(crate) fn insert(&mut self, key: &'a str, value: Option<String>) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ConnKind`
[INFO] [stdout]   --> src/connection.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum ConnKind {
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `column`
[INFO] [stdout]   --> src/row.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn column(&self, index: usize) -> &str {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `columns`
[INFO] [stdout]   --> src/row.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn columns(&self) -> Arc<[String]> {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "c119078ef0b53077e1e3ff81f6979d8097fff626ae2d4d315e75fc6f878fa3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c119078ef0b53077e1e3ff81f6979d8097fff626ae2d4d315e75fc6f878fa3c1", kill_on_drop: false }`
[INFO] [stdout] c119078ef0b53077e1e3ff81f6979d8097fff626ae2d4d315e75fc6f878fa3c1