[INFO] updating cached repository https://github.com/SaiintBrisson/RustFirst [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1ad2c62620f9118a35d73afc618f184d47223e2c [INFO] testing SaiintBrisson/RustFirst against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiintBrisson%2FRustFirst" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SaiintBrisson/RustFirst on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SaiintBrisson/RustFirst [INFO] finished tweaking git repo https://github.com/SaiintBrisson/RustFirst [INFO] tweaked toml for git repo https://github.com/SaiintBrisson/RustFirst written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/SaiintBrisson/RustFirst already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 58c8dcb63b65e0df12c610bd63ca86b6998818d027920233426cfabc916e7bc9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "58c8dcb63b65e0df12c610bd63ca86b6998818d027920233426cfabc916e7bc9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bstr v0.2.9 [INFO] [stderr] Compiling criterion-plot v0.4.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling rand_xoshiro v0.3.1 [INFO] [stderr] Compiling rand_os v0.2.2 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling csv v1.1.2 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling dotenv v0.9.0 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling diesel v1.4.3 [INFO] [stderr] Compiling criterion v0.3.0 [INFO] [stderr] Compiling rust_first v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let x = establish_connection(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `"docker" "inspect" "58c8dcb63b65e0df12c610bd63ca86b6998818d027920233426cfabc916e7bc9"` [INFO] running `"docker" "rm" "-f" "58c8dcb63b65e0df12c610bd63ca86b6998818d027920233426cfabc916e7bc9"` [INFO] [stdout] 58c8dcb63b65e0df12c610bd63ca86b6998818d027920233426cfabc916e7bc9 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1708d38efb43da28a5bea5fe64fe028b7af4eec8f0607c8615b13fb8c82ebb19 [INFO] running `"docker" "start" "-a" "1708d38efb43da28a5bea5fe64fe028b7af4eec8f0607c8615b13fb8c82ebb19"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust_first v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let x = establish_connection(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `"docker" "inspect" "1708d38efb43da28a5bea5fe64fe028b7af4eec8f0607c8615b13fb8c82ebb19"` [INFO] running `"docker" "rm" "-f" "1708d38efb43da28a5bea5fe64fe028b7af4eec8f0607c8615b13fb8c82ebb19"` [INFO] [stdout] 1708d38efb43da28a5bea5fe64fe028b7af4eec8f0607c8615b13fb8c82ebb19 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8c0af4f0193c9424eb350dcb6a9919a4b27a991b8ca2199d12e041a692a385c7 [INFO] running `"docker" "start" "-a" "8c0af4f0193c9424eb350dcb6a9919a4b27a991b8ca2199d12e041a692a385c7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let x = establish_connection(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_first-2591f74ac5916a05 [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 `"docker" "inspect" "8c0af4f0193c9424eb350dcb6a9919a4b27a991b8ca2199d12e041a692a385c7"` [INFO] running `"docker" "rm" "-f" "8c0af4f0193c9424eb350dcb6a9919a4b27a991b8ca2199d12e041a692a385c7"` [INFO] [stdout] 8c0af4f0193c9424eb350dcb6a9919a4b27a991b8ca2199d12e041a692a385c7