[INFO] fetching crate concatsql 0.2.1...
[INFO] checking concatsql-0.2.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate concatsql 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate concatsql 0.2.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concatsql 0.2.1
[INFO] finished tweaking crates.io crate concatsql 0.2.1
[INFO] tweaked toml for crates.io crate concatsql 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.6.1
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded derive_utils v0.11.0
[INFO] [stderr]   Downloaded io-enum v0.2.4
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded twox-hash v1.6.0
[INFO] [stderr]   Downloaded hmac v0.9.0
[INFO] [stderr]   Downloaded postgres-types v0.1.3
[INFO] [stderr]   Downloaded postgres v0.18.1
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded postgres-protocol v0.5.3
[INFO] [stderr]   Downloaded tokio v0.3.5
[INFO] [stderr]   Downloaded lexical v5.2.0
[INFO] [stderr]   Downloaded tokio-util v0.4.0
[INFO] [stderr]   Downloaded mysql v20.1.0
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded rust_decimal v1.8.1
[INFO] [stderr]   Downloaded mysql_common v0.24.1
[INFO] [stderr]   Downloaded tokio-postgres v0.6.0
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded crypto-mac v0.9.1
[INFO] [stderr]   Downloaded temporary v0.6.3
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded sqlite3-src v0.2.12
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecca8a3df2080d7a2c17e2cc4f42e49511ca9de532cb8b5f563642882d5a42b1
[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" "ecca8a3df2080d7a2c17e2cc4f42e49511ca9de532cb8b5f563642882d5a42b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecca8a3df2080d7a2c17e2cc4f42e49511ca9de532cb8b5f563642882d5a42b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecca8a3df2080d7a2c17e2cc4f42e49511ca9de532cb8b5f563642882d5a42b1", kill_on_drop: false }`
[INFO] [stdout] ecca8a3df2080d7a2c17e2cc4f42e49511ca9de532cb8b5f563642882d5a42b1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df33d4c070f64d0ff9dc96e74ba22506ed8c2eae7cccc8e42760d0402fc71296
[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" "df33d4c070f64d0ff9dc96e74ba22506ed8c2eae7cccc8e42760d0402fc71296", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking concatsql v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking temporary v0.6.3
[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]    = note: `#[warn(dead_code)]` on by default
[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: 5 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "df33d4c070f64d0ff9dc96e74ba22506ed8c2eae7cccc8e42760d0402fc71296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df33d4c070f64d0ff9dc96e74ba22506ed8c2eae7cccc8e42760d0402fc71296", kill_on_drop: false }`
[INFO] [stdout] df33d4c070f64d0ff9dc96e74ba22506ed8c2eae7cccc8e42760d0402fc71296