[INFO] cloning repository https://github.com/UsairimIsani/rust-algo-prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UsairimIsani/rust-algo-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6c0cd29231896c9ba2e7ab59ca793c593c0cebc
[INFO] checking UsairimIsani/rust-algo-prac against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UsairimIsani/rust-algo-prac on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking git repo https://github.com/UsairimIsani/rust-algo-prac
[INFO] finished tweaking git repo https://github.com/UsairimIsani/rust-algo-prac
[INFO] tweaked toml for git repo https://github.com/UsairimIsani/rust-algo-prac written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/UsairimIsani/rust-algo-prac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a56e38ed43f4500637370b0f3b124645b8e4f765e3aadb4c8d41aff20800ba0
[INFO] running `Command { std: "docker" "start" "-a" "9a56e38ed43f4500637370b0f3b124645b8e4f765e3aadb4c8d41aff20800ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a56e38ed43f4500637370b0f3b124645b8e4f765e3aadb4c8d41aff20800ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a56e38ed43f4500637370b0f3b124645b8e4f765e3aadb4c8d41aff20800ba0", kill_on_drop: false }`
[INFO] [stdout] 9a56e38ed43f4500637370b0f3b124645b8e4f765e3aadb4c8d41aff20800ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceab5d25af73782d705bb664bb16c00505bb7c38365b323ae88bca53f80f100d
[INFO] running `Command { std: "docker" "start" "-a" "ceab5d25af73782d705bb664bb16c00505bb7c38365b323ae88bca53f80f100d", kill_on_drop: false }`
[INFO] [stderr]     Checking recursion v0.1.0 (/opt/rustwide/workdir/recursion)
[INFO] [stderr]     Checking trees v0.1.0 (/opt/rustwide/workdir/trees)
[INFO] [stderr]     Checking sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stderr]     Checking s_q v0.1.0 (/opt/rustwide/workdir/s_q)
[INFO] [stderr]     Checking lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stdout] warning: function is never used: `hello`
[INFO] [stdout]  --> s_q/src/stack/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hello(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello`
[INFO] [stdout]  --> s_q/src/stack/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hello(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> trees/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     name:String
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> trees/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     name:String
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "ceab5d25af73782d705bb664bb16c00505bb7c38365b323ae88bca53f80f100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceab5d25af73782d705bb664bb16c00505bb7c38365b323ae88bca53f80f100d", kill_on_drop: false }`
[INFO] [stdout] ceab5d25af73782d705bb664bb16c00505bb7c38365b323ae88bca53f80f100d