[INFO] cloning repository https://github.com/hooman734/Rust-Example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hooman734/Rust-Example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84da29dbbcb4d497d99ad58e79f44d620c1fc3a0
[INFO] checking hooman734/Rust-Example against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhooman734%2FRust-Example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hooman734/Rust-Example on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hooman734/Rust-Example
[INFO] finished tweaking git repo https://github.com/hooman734/Rust-Example
[INFO] tweaked toml for git repo https://github.com/hooman734/Rust-Example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hooman734/Rust-Example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45f620f2565bb0f0bbb3c3544db1e56d6c59ba64bb41842622bae8df2cca6d6
[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" "d45f620f2565bb0f0bbb3c3544db1e56d6c59ba64bb41842622bae8df2cca6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45f620f2565bb0f0bbb3c3544db1e56d6c59ba64bb41842622bae8df2cca6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45f620f2565bb0f0bbb3c3544db1e56d6c59ba64bb41842622bae8df2cca6d6", kill_on_drop: false }`
[INFO] [stdout] d45f620f2565bb0f0bbb3c3544db1e56d6c59ba64bb41842622bae8df2cca6d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab5a40eef8102e1091aa93ae55d44ffe87444d19c2072e292e273acab73d307
[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" "5ab5a40eef8102e1091aa93ae55d44ffe87444d19c2072e292e273acab73d307", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-world-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/main.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/main.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let (x, y, z, u, v) = tup1; // destructuring the tuple
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5ab5a40eef8102e1091aa93ae55d44ffe87444d19c2072e292e273acab73d307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab5a40eef8102e1091aa93ae55d44ffe87444d19c2072e292e273acab73d307", kill_on_drop: false }`
[INFO] [stdout] 5ab5a40eef8102e1091aa93ae55d44ffe87444d19c2072e292e273acab73d307