[INFO] cloning repository https://github.com/drbh/hotpot-db [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drbh/hotpot-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7913fb081effb540524ea3321097ca93a5f6fc4 [INFO] testing drbh/hotpot-db against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drbh/hotpot-db on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/drbh/hotpot-db [INFO] finished tweaking git repo https://github.com/drbh/hotpot-db [INFO] tweaked toml for git repo https://github.com/drbh/hotpot-db written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/drbh/hotpot-db already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 437ffd48b30d44493deff6579ce70fdf8dd15ea218503aa16bdd4193f78a0aa4 [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" "437ffd48b30d44493deff6579ce70fdf8dd15ea218503aa16bdd4193f78a0aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "437ffd48b30d44493deff6579ce70fdf8dd15ea218503aa16bdd4193f78a0aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "437ffd48b30d44493deff6579ce70fdf8dd15ea218503aa16bdd4193f78a0aa4", kill_on_drop: false }` [INFO] [stdout] 437ffd48b30d44493deff6579ce70fdf8dd15ea218503aa16bdd4193f78a0aa4 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3eb59b1d810fe5f4610f216d25103d66ce1eebf50d0d77ddc142a8d7fe14816 [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" "f3eb59b1d810fe5f4610f216d25103d66ce1eebf50d0d77ddc142a8d7fe14816", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling libsqlite3-sys v0.17.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.47 [INFO] [stderr] Compiling rusqlite v0.21.0 [INFO] [stderr] Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:13 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.25s [INFO] running `Command { std: "docker" "inspect" "f3eb59b1d810fe5f4610f216d25103d66ce1eebf50d0d77ddc142a8d7fe14816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3eb59b1d810fe5f4610f216d25103d66ce1eebf50d0d77ddc142a8d7fe14816", kill_on_drop: false }` [INFO] [stdout] f3eb59b1d810fe5f4610f216d25103d66ce1eebf50d0d77ddc142a8d7fe14816 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe03a21cb93d7ef655d9bb4b53afa78dc8cf1c6b4bc93455cfbe5e5aaa0a9569 [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" "fe03a21cb93d7ef655d9bb4b53afa78dc8cf1c6b4bc93455cfbe5e5aaa0a9569", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:13 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:13 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.17s [INFO] running `Command { std: "docker" "inspect" "fe03a21cb93d7ef655d9bb4b53afa78dc8cf1c6b4bc93455cfbe5e5aaa0a9569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe03a21cb93d7ef655d9bb4b53afa78dc8cf1c6b4bc93455cfbe5e5aaa0a9569", kill_on_drop: false }` [INFO] [stdout] fe03a21cb93d7ef655d9bb4b53afa78dc8cf1c6b4bc93455cfbe5e5aaa0a9569 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d1370443df8a4484954c38f5c73e5c3d81863444a0ca935b6c7883fc7d9e65b4 [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" "d1370443df8a4484954c38f5c73e5c3d81863444a0ca935b6c7883fc7d9e65b4", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `results` is never read [INFO] [stderr] --> src/lib.rs:226:13 [INFO] [stderr] | [INFO] [stderr] 226 | let mut results = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | self.conn.close(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `results` is never read [INFO] [stderr] --> src/lib.rs:226:13 [INFO] [stderr] | [INFO] [stderr] 226 | let mut results = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | self.conn.close(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hotpot_db-62ae60d012b8dbfd [INFO] [stderr] Doc-tests hotpot-db [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d1370443df8a4484954c38f5c73e5c3d81863444a0ca935b6c7883fc7d9e65b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1370443df8a4484954c38f5c73e5c3d81863444a0ca935b6c7883fc7d9e65b4", kill_on_drop: false }` [INFO] [stdout] d1370443df8a4484954c38f5c73e5c3d81863444a0ca935b6c7883fc7d9e65b4