[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] testing UsairimIsani/rust-algo-prac against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac" "/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/UsairimIsani/rust-algo-prac on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/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-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4899c3e837c4957caccfad8a585147d72c77da87180d9171e4d31133ca49da21
[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" "4899c3e837c4957caccfad8a585147d72c77da87180d9171e4d31133ca49da21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4899c3e837c4957caccfad8a585147d72c77da87180d9171e4d31133ca49da21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4899c3e837c4957caccfad8a585147d72c77da87180d9171e4d31133ca49da21", kill_on_drop: false }`
[INFO] [stdout] 4899c3e837c4957caccfad8a585147d72c77da87180d9171e4d31133ca49da21
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3805c09bc7c8a8c053d3bbebbbb8fb584d67801d7dfcc0216abec608ac793507
[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" "3805c09bc7c8a8c053d3bbebbbb8fb584d67801d7dfcc0216abec608ac793507", kill_on_drop: false }`
[INFO] [stderr]    Compiling trees v0.1.0 (/opt/rustwide/workdir/trees)
[INFO] [stderr]    Compiling s_q v0.1.0 (/opt/rustwide/workdir/s_q)
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stderr]    Compiling recursion v0.1.0 (/opt/rustwide/workdir/recursion)
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "3805c09bc7c8a8c053d3bbebbbb8fb584d67801d7dfcc0216abec608ac793507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3805c09bc7c8a8c053d3bbebbbb8fb584d67801d7dfcc0216abec608ac793507", kill_on_drop: false }`
[INFO] [stdout] 3805c09bc7c8a8c053d3bbebbbb8fb584d67801d7dfcc0216abec608ac793507
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b791a0c016b5b6183a515bf6c633df80f9c0474940ac206e4faba743cdaf0b0
[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" "2b791a0c016b5b6183a515bf6c633df80f9c0474940ac206e4faba743cdaf0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stderr]    Compiling s_q v0.1.0 (/opt/rustwide/workdir/s_q)
[INFO] [stderr]    Compiling recursion v0.1.0 (/opt/rustwide/workdir/recursion)
[INFO] [stderr]    Compiling trees v0.1.0 (/opt/rustwide/workdir/trees)
[INFO] [stderr]    Compiling 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "2b791a0c016b5b6183a515bf6c633df80f9c0474940ac206e4faba743cdaf0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b791a0c016b5b6183a515bf6c633df80f9c0474940ac206e4faba743cdaf0b0", kill_on_drop: false }`
[INFO] [stdout] 2b791a0c016b5b6183a515bf6c633df80f9c0474940ac206e4faba743cdaf0b0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 3c123ca6fbb87774e035a2e0022d76fe2857758bc484a52d6e8c2abcd067ac43
[INFO] running `Command { std: "docker" "start" "-a" "3c123ca6fbb87774e035a2e0022d76fe2857758bc484a52d6e8c2abcd067ac43", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `hello`
[INFO] [stderr]  --> s_q/src/stack/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn hello(){
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> trees/src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     name:String
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lists-2278c4d27ea7cbf0)
[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/recursion-54b5c68aff314e5a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fib::tests::check_fib ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::bench_add_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/factorial.rs (/opt/rustwide/target/debug/deps/factorial-d40eb1aa384706b0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test checking_factorial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fib.rs (/opt/rustwide/target/debug/deps/fib-372866482c208ee5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test checking_fib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/multiplier.rs (/opt/rustwide/target/debug/deps/multiplier-4855b6dbd69f29c7)
[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/s_q-c10a628dce801c7e)
[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/sorting-43774bfddfb1f12a)
[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/trees-428a7f01f87b0389)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trees-4bf3000a0f984cd7)
[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]    Doc-tests lists
[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]    Doc-tests recursion
[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]    Doc-tests sorting
[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]    Doc-tests trees
[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" "3c123ca6fbb87774e035a2e0022d76fe2857758bc484a52d6e8c2abcd067ac43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c123ca6fbb87774e035a2e0022d76fe2857758bc484a52d6e8c2abcd067ac43", kill_on_drop: false }`
[INFO] [stdout] 3c123ca6fbb87774e035a2e0022d76fe2857758bc484a52d6e8c2abcd067ac43