[INFO] cloning repository https://github.com/TheRiisager/db_assignment_04
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRiisager/db_assignment_04" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiisager%2Fdb_assignment_04", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiisager%2Fdb_assignment_04'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dc521d6864b57e69ba16421dbf3a6be80b0a5a5
[INFO] checking TheRiisager/db_assignment_04 against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiisager%2Fdb_assignment_04" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheRiisager/db_assignment_04 on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheRiisager/db_assignment_04
[INFO] finished tweaking git repo https://github.com/TheRiisager/db_assignment_04
[INFO] tweaked toml for git repo https://github.com/TheRiisager/db_assignment_04 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheRiisager/db_assignment_04 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded unicode-bidi v0.3.13
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded redis v0.23.0
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abeaa294ee242ff043be696834c13262858240ac369278d09b03d08351e5bb3c
[INFO] running `Command { std: "docker" "start" "-a" "abeaa294ee242ff043be696834c13262858240ac369278d09b03d08351e5bb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abeaa294ee242ff043be696834c13262858240ac369278d09b03d08351e5bb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeaa294ee242ff043be696834c13262858240ac369278d09b03d08351e5bb3c", kill_on_drop: false }`
[INFO] [stdout] abeaa294ee242ff043be696834c13262858240ac369278d09b03d08351e5bb3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf1f5c72878434c8142e24241989925e8ae17d4d188757637f62dbb79b60d2a
[INFO] running `Command { std: "docker" "start" "-a" "aaf1f5c72878434c8142e24241989925e8ae17d4d188757637f62dbb79b60d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking redis v0.23.0
[INFO] [stderr]     Checking db_assignment_04 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/main.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn publish(con: &mut Connection, message: String) {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/main.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn publish(con: &mut Connection, message: String) {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `publish` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn publish(con: &mut Connection, message: String) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `publish` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn publish(con: &mut Connection, message: String) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     io::stdin().read_line(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let _ = io::stdin().read_line(&mut input);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     io::stdin().read_line(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let _ = io::stdin().read_line(&mut input);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "aaf1f5c72878434c8142e24241989925e8ae17d4d188757637f62dbb79b60d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf1f5c72878434c8142e24241989925e8ae17d4d188757637f62dbb79b60d2a", kill_on_drop: false }`
[INFO] [stdout] aaf1f5c72878434c8142e24241989925e8ae17d4d188757637f62dbb79b60d2a