[INFO] cloning repository https://github.com/RTK99/rust-beginners [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RTK99/rust-beginners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTK99%2Frust-beginners", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTK99%2Frust-beginners'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a0528da4b179c687ab1b7d14662767504ca87db [INFO] testing RTK99/rust-beginners against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRTK99%2Frust-beginners" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RTK99/rust-beginners on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RTK99/rust-beginners [INFO] finished tweaking git repo https://github.com/RTK99/rust-beginners [INFO] tweaked toml for git repo https://github.com/RTK99/rust-beginners written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/RTK99/rust-beginners already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e7c63ffac2d159b711a5fd58b5213d43898553204fbc7b60c76b4f8a248fc12f [INFO] running `Command { std: "docker" "start" "-a" "e7c63ffac2d159b711a5fd58b5213d43898553204fbc7b60c76b4f8a248fc12f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7c63ffac2d159b711a5fd58b5213d43898553204fbc7b60c76b4f8a248fc12f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7c63ffac2d159b711a5fd58b5213d43898553204fbc7b60c76b4f8a248fc12f", kill_on_drop: false }` [INFO] [stdout] e7c63ffac2d159b711a5fd58b5213d43898553204fbc7b60c76b4f8a248fc12f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84f2271a6cc6b0ec359d2ecc8cee021f00f7400bc94d9d9866a2f69ed60fb2de [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" "84f2271a6cc6b0ec359d2ecc8cee021f00f7400bc94d9d9866a2f69ed60fb2de", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling structs v0.1.0 (/opt/rustwide/workdir/structs) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Compiling control-flow v0.1.0 (/opt/rustwide/workdir/control-flow) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let x: i32 = 1111; // With type annotation/ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let x = 1111; // Type will be inferred. [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> variables/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut x = "I can be mutable!"; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.5 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/guessing-game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "84f2271a6cc6b0ec359d2ecc8cee021f00f7400bc94d9d9866a2f69ed60fb2de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f2271a6cc6b0ec359d2ecc8cee021f00f7400bc94d9d9866a2f69ed60fb2de", kill_on_drop: false }` [INFO] [stdout] 84f2271a6cc6b0ec359d2ecc8cee021f00f7400bc94d9d9866a2f69ed60fb2de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f15adc9b607edd87f7dd6be150d5f4e04ee7af69ec3ebf1787f5af217b1c91b [INFO] running `Command { std: "docker" "start" "-a" "1f15adc9b607edd87f7dd6be150d5f4e04ee7af69ec3ebf1787f5af217b1c91b", kill_on_drop: false }` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Compiling control-flow v0.1.0 (/opt/rustwide/workdir/control-flow) [INFO] [stderr] Compiling structs v0.1.0 (/opt/rustwide/workdir/structs) [INFO] [stderr] Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/guessing-game) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let x: i32 = 1111; // With type annotation/ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let x = 1111; // Type will be inferred. [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> variables/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut x = "I can be mutable!"; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "1f15adc9b607edd87f7dd6be150d5f4e04ee7af69ec3ebf1787f5af217b1c91b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f15adc9b607edd87f7dd6be150d5f4e04ee7af69ec3ebf1787f5af217b1c91b", kill_on_drop: false }` [INFO] [stdout] 1f15adc9b607edd87f7dd6be150d5f4e04ee7af69ec3ebf1787f5af217b1c91b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ed4c1c201de8f08b084395b78b04f675852b06c9d069b81f012e9bce77c7711f [INFO] running `Command { std: "docker" "start" "-a" "ed4c1c201de8f08b084395b78b04f675852b06c9d069b81f012e9bce77c7711f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> variables/src/main.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let x: i32 = 1111; // With type annotation/ [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: unused variable: `x` [INFO] [stderr] --> variables/src/main.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let x = 1111; // Type will be inferred. [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> variables/src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut x = "I can be mutable!"; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/control_flow-99b08f11cbec939e) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/guessing_game-f18276be38587ce5) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/structs-71aee5db66ec578d) [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] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/variables-a8efc1fcdfa0d70a) [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" "ed4c1c201de8f08b084395b78b04f675852b06c9d069b81f012e9bce77c7711f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed4c1c201de8f08b084395b78b04f675852b06c9d069b81f012e9bce77c7711f", kill_on_drop: false }` [INFO] [stdout] ed4c1c201de8f08b084395b78b04f675852b06c9d069b81f012e9bce77c7711f