[INFO] cloning repository https://github.com/vikas0713/rustExercise1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vikas0713/rustExercise1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvikas0713%2FrustExercise1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvikas0713%2FrustExercise1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c19a0983497451a577e860d46f702311937c09c
[INFO] testing vikas0713/rustExercise1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvikas0713%2FrustExercise1" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vikas0713/rustExercise1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vikas0713/rustExercise1
[INFO] finished tweaking git repo https://github.com/vikas0713/rustExercise1
[INFO] tweaked toml for git repo https://github.com/vikas0713/rustExercise1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/vikas0713/rustExercise1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8594bfd2ea3282caf35ecff2dbe1749fb29603ef15ddb871d1c7f0a8dffe25
[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" "1a8594bfd2ea3282caf35ecff2dbe1749fb29603ef15ddb871d1c7f0a8dffe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8594bfd2ea3282caf35ecff2dbe1749fb29603ef15ddb871d1c7f0a8dffe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8594bfd2ea3282caf35ecff2dbe1749fb29603ef15ddb871d1c7f0a8dffe25", kill_on_drop: false }`
[INFO] [stdout] 1a8594bfd2ea3282caf35ecff2dbe1749fb29603ef15ddb871d1c7f0a8dffe25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1e1f015a3d69bca77fe3162b1d59f4c7bf1957f2309131c9e617ea51b1d7f01
[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" "a1e1f015a3d69bca77fe3162b1d59f4c7bf1957f2309131c9e617ea51b1d7f01", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustExercise1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]  --> src/swap.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut temp = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `rustExercise1` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_exercise1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a1e1f015a3d69bca77fe3162b1d59f4c7bf1957f2309131c9e617ea51b1d7f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e1f015a3d69bca77fe3162b1d59f4c7bf1957f2309131c9e617ea51b1d7f01", kill_on_drop: false }`
[INFO] [stdout] a1e1f015a3d69bca77fe3162b1d59f4c7bf1957f2309131c9e617ea51b1d7f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00da1d1493dddfa9156a7d83cde282446bbf3ea895c2b14da330cd4a1860712c
[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" "00da1d1493dddfa9156a7d83cde282446bbf3ea895c2b14da330cd4a1860712c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustExercise1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]  --> src/swap.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut temp = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `rustExercise1` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_exercise1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "00da1d1493dddfa9156a7d83cde282446bbf3ea895c2b14da330cd4a1860712c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00da1d1493dddfa9156a7d83cde282446bbf3ea895c2b14da330cd4a1860712c", kill_on_drop: false }`
[INFO] [stdout] 00da1d1493dddfa9156a7d83cde282446bbf3ea895c2b14da330cd4a1860712c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 964652f5c6bf9990286b8ee18318e56b6c0f985365230387295a17487cb9e9b6
[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" "964652f5c6bf9990286b8ee18318e56b6c0f985365230387295a17487cb9e9b6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/swap.rs:7:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7 |     let mut temp = 0;
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rustExercise1` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_exercise1`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustExercise1` (bin "rustExercise1" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustExercise1-f1b3472ad71ab2ea)
[INFO] running `Command { std: "docker" "inspect" "964652f5c6bf9990286b8ee18318e56b6c0f985365230387295a17487cb9e9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964652f5c6bf9990286b8ee18318e56b6c0f985365230387295a17487cb9e9b6", kill_on_drop: false }`
[INFO] [stdout] 964652f5c6bf9990286b8ee18318e56b6c0f985365230387295a17487cb9e9b6