[INFO] fetching crate concatsql 0.4.0...
[INFO] checking concatsql-0.4.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate concatsql 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate concatsql 0.4.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concatsql 0.4.0
[INFO] finished tweaking crates.io crate concatsql 0.4.0
[INFO] tweaked toml for crates.io crate concatsql 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed72d534510d2317731c02e0eb39d65f7f7120b5a412b888c3efffc1e82e8eb6
[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" "ed72d534510d2317731c02e0eb39d65f7f7120b5a412b888c3efffc1e82e8eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed72d534510d2317731c02e0eb39d65f7f7120b5a412b888c3efffc1e82e8eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed72d534510d2317731c02e0eb39d65f7f7120b5a412b888c3efffc1e82e8eb6", kill_on_drop: false }`
[INFO] [stdout] ed72d534510d2317731c02e0eb39d65f7f7120b5a412b888c3efffc1e82e8eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de56fc6dcbd4bffd63b030938673a3d6c9a6e6c805d8d5c06e8f52ed158f1bb1
[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" "de56fc6dcbd4bffd63b030938673a3d6c9a6e6c805d8d5c06e8f52ed158f1bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking temporary v0.6.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking concatsql v0.4.0 (/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:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     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 8.49s
[INFO] running `Command { std: "docker" "inspect" "de56fc6dcbd4bffd63b030938673a3d6c9a6e6c805d8d5c06e8f52ed158f1bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de56fc6dcbd4bffd63b030938673a3d6c9a6e6c805d8d5c06e8f52ed158f1bb1", kill_on_drop: false }`
[INFO] [stdout] de56fc6dcbd4bffd63b030938673a3d6c9a6e6c805d8d5c06e8f52ed158f1bb1