[INFO] cloning repository https://github.com/miyamofigo/simple_database [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miyamofigo/simple_database" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyamofigo%2Fsimple_database", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyamofigo%2Fsimple_database'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7044256f94cecfd839c7a1f3e292877fd650b5a [INFO] checking miyamofigo/simple_database against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyamofigo%2Fsimple_database" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miyamofigo/simple_database on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/miyamofigo/simple_database [INFO] finished tweaking git repo https://github.com/miyamofigo/simple_database [INFO] tweaked toml for git repo https://github.com/miyamofigo/simple_database written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/miyamofigo/simple_database already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b1d187a88019e1042b3e47515f206a9aa7353956bf1af43e9b50bae119fc06f [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" "3b1d187a88019e1042b3e47515f206a9aa7353956bf1af43e9b50bae119fc06f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b1d187a88019e1042b3e47515f206a9aa7353956bf1af43e9b50bae119fc06f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b1d187a88019e1042b3e47515f206a9aa7353956bf1af43e9b50bae119fc06f", kill_on_drop: false }` [INFO] [stdout] 3b1d187a88019e1042b3e47515f206a9aa7353956bf1af43e9b50bae119fc06f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a63febf5ae841c4ae5171f60c5309d8fcbe3ba1540a3cba11459b155f07c4e08 [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" "a63febf5ae841c4ae5171f60c5309d8fcbe3ba1540a3cba11459b155f07c4e08", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking simple_database v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Display` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `add` [INFO] [stdout] --> src/main.rs:188:6 [INFO] [stdout] | [INFO] [stdout] 188 | let add = "add".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_add` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latest` [INFO] [stdout] --> src/main.rs:189:6 [INFO] [stdout] | [INFO] [stdout] 189 | let latest = "latest".to_string(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/main.rs:190:6 [INFO] [stdout] | [INFO] [stdout] 190 | let all = "all".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_all` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(name: &str, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:127:3 [INFO] [stdout] | [INFO] [stdout] 127 | file.write(item.to_string().as_bytes()); [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: unused variable: `add` [INFO] [stdout] --> src/main.rs:188:6 [INFO] [stdout] | [INFO] [stdout] 188 | let add = "add".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_add` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latest` [INFO] [stdout] --> src/main.rs:189:6 [INFO] [stdout] | [INFO] [stdout] 189 | let latest = "latest".to_string(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/main.rs:190:6 [INFO] [stdout] | [INFO] [stdout] 190 | let all = "all".to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_all` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(name: &str, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:127:3 [INFO] [stdout] | [INFO] [stdout] 127 | file.write(item.to_string().as_bytes()); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "a63febf5ae841c4ae5171f60c5309d8fcbe3ba1540a3cba11459b155f07c4e08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a63febf5ae841c4ae5171f60c5309d8fcbe3ba1540a3cba11459b155f07c4e08", kill_on_drop: false }` [INFO] [stdout] a63febf5ae841c4ae5171f60c5309d8fcbe3ba1540a3cba11459b155f07c4e08