[INFO] cloning repository https://github.com/munHunger/m2db [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/munHunger/m2db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmunHunger%2Fm2db", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmunHunger%2Fm2db'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa5aa83897151cc0cb4b603b91e51fd7977a118e [INFO] testing munHunger/m2db against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmunHunger%2Fm2db" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/munHunger/m2db on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/munHunger/m2db [INFO] finished tweaking git repo https://github.com/munHunger/m2db [INFO] tweaked toml for git repo https://github.com/munHunger/m2db written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/munHunger/m2db already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8ce298c553e7bbc1a31b819b561996c56edc6d3606120c662d5ebf28099bce7 [INFO] running `Command { std: "docker" "start" "-a" "a8ce298c553e7bbc1a31b819b561996c56edc6d3606120c662d5ebf28099bce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8ce298c553e7bbc1a31b819b561996c56edc6d3606120c662d5ebf28099bce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8ce298c553e7bbc1a31b819b561996c56edc6d3606120c662d5ebf28099bce7", kill_on_drop: false }` [INFO] [stdout] a8ce298c553e7bbc1a31b819b561996c56edc6d3606120c662d5ebf28099bce7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba2fca5a71de341c13d45cb03603437670cbe0d81541859b8a44ea1e47673ece [INFO] running `Command { std: "docker" "start" "-a" "ba2fca5a71de341c13d45cb03603437670cbe0d81541859b8a44ea1e47673ece", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling m2db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `M2DB` [INFO] [stdout] --> src/main.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | struct M2DB { [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: `open_database` [INFO] [stdout] --> src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn open_database(path: &str) -> M2DB { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | File::create(format!("{}/data.m2db", path)); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | File::create(format!("{}/index.m2db", path)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | File::create(format!("{}/relations.m2db", path)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "ba2fca5a71de341c13d45cb03603437670cbe0d81541859b8a44ea1e47673ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba2fca5a71de341c13d45cb03603437670cbe0d81541859b8a44ea1e47673ece", kill_on_drop: false }` [INFO] [stdout] ba2fca5a71de341c13d45cb03603437670cbe0d81541859b8a44ea1e47673ece [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1db227c4011447d7ed3e96c11dea5a8699f9952a5ab150d34ef37bbe3def160 [INFO] running `Command { std: "docker" "start" "-a" "a1db227c4011447d7ed3e96c11dea5a8699f9952a5ab150d34ef37bbe3def160", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling m2db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `M2DB` [INFO] [stdout] --> src/main.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | struct M2DB { [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: `open_database` [INFO] [stdout] --> src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn open_database(path: &str) -> M2DB { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | File::create(format!("{}/data.m2db", path)); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | File::create(format!("{}/index.m2db", path)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | File::create(format!("{}/relations.m2db", path)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/m2db-cc727bee6265fbdc) [INFO] running `Command { std: "docker" "inspect" "a1db227c4011447d7ed3e96c11dea5a8699f9952a5ab150d34ef37bbe3def160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1db227c4011447d7ed3e96c11dea5a8699f9952a5ab150d34ef37bbe3def160", kill_on_drop: false }` [INFO] [stdout] a1db227c4011447d7ed3e96c11dea5a8699f9952a5ab150d34ef37bbe3def160 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 98e6fe4b34626b8f38d9a8f93d72a0af048c3422acd3449fdadbbf75c41fa8a8 [INFO] running `Command { std: "docker" "start" "-a" "98e6fe4b34626b8f38d9a8f93d72a0af048c3422acd3449fdadbbf75c41fa8a8", kill_on_drop: false }` [INFO] [stderr] warning: struct is never constructed: `M2DB` [INFO] [stderr] --> src/main.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | struct M2DB { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `open_database` [INFO] [stderr] --> src/main.rs:128:8 [INFO] [stderr] | [INFO] [stderr] 128 | fn open_database(path: &str) -> M2DB { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | File::create(format!("{}/data.m2db", path)); [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: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | File::create(format!("{}/index.m2db", path)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:136:13 [INFO] [stderr] | [INFO] [stderr] 136 | File::create(format!("{}/relations.m2db", path)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `m2db` (bin "m2db" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/m2db-cc727bee6265fbdc) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98e6fe4b34626b8f38d9a8f93d72a0af048c3422acd3449fdadbbf75c41fa8a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98e6fe4b34626b8f38d9a8f93d72a0af048c3422acd3449fdadbbf75c41fa8a8", kill_on_drop: false }` [INFO] [stdout] 98e6fe4b34626b8f38d9a8f93d72a0af048c3422acd3449fdadbbf75c41fa8a8