[INFO] fetching crate concatsql 0.4.0...
[INFO] checking concatsql-0.4.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate concatsql 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate concatsql 0.4.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded native-tls v0.2.7
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded mysql_common v0.24.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded postgres-protocol v0.5.3
[INFO] [stderr]   Downloaded postgres-types v0.1.3
[INFO] [stderr]   Downloaded temporary v0.6.3
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded mysql v20.1.0
[INFO] [stderr]   Downloaded postgres v0.18.1
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded io-enum v0.2.6
[INFO] [stderr]   Downloaded crypto-mac v0.9.1
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded tokio-postgres v0.6.0
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] [stderr]   Downloaded hmac v0.9.0
[INFO] [stderr]   Downloaded sqlite3-src v0.2.12
[INFO] [stderr]   Downloaded tokio-util v0.4.0
[INFO] [stderr]   Downloaded core-foundation v0.9.1
[INFO] [stderr]   Downloaded security-framework v2.3.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
[INFO] [stderr]   Downloaded security-framework-sys v2.3.0
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded twox-hash v1.6.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded derive_utils v0.11.2
[INFO] [stderr]   Downloaded ahash v0.4.7
[INFO] [stderr]   Downloaded rust_decimal v1.14.3
[INFO] [stderr]   Downloaded lexical v5.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 142762f1e76f26d4b63894f8d58113fe267c8b7d368a800a6775e5d6b0dadabe
[INFO] running `Command { std: "docker" "start" "-a" "142762f1e76f26d4b63894f8d58113fe267c8b7d368a800a6775e5d6b0dadabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142762f1e76f26d4b63894f8d58113fe267c8b7d368a800a6775e5d6b0dadabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142762f1e76f26d4b63894f8d58113fe267c8b7d368a800a6775e5d6b0dadabe", kill_on_drop: false }`
[INFO] [stdout] 142762f1e76f26d4b63894f8d58113fe267c8b7d368a800a6775e5d6b0dadabe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fadad432d6e678725f209970e2e8e2e6c7e14e52a92500f2e015bb9ae8c3813
[INFO] running `Command { std: "docker" "start" "-a" "3fadad432d6e678725f209970e2e8e2e6c7e14e52a92500f2e015bb9ae8c3813", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking temporary v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.3
[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 10.33s
[INFO] running `Command { std: "docker" "inspect" "3fadad432d6e678725f209970e2e8e2e6c7e14e52a92500f2e015bb9ae8c3813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fadad432d6e678725f209970e2e8e2e6c7e14e52a92500f2e015bb9ae8c3813", kill_on_drop: false }`
[INFO] [stdout] 3fadad432d6e678725f209970e2e8e2e6c7e14e52a92500f2e015bb9ae8c3813