[INFO] cloning repository https://github.com/ChakshuGupta/binary-tree-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChakshuGupta/binary-tree-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChakshuGupta%2Fbinary-tree-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChakshuGupta%2Fbinary-tree-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0d915d933c699538d44a3f24ab5f5c2b7630f73
[INFO] testing ChakshuGupta/binary-tree-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChakshuGupta%2Fbinary-tree-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChakshuGupta/binary-tree-rust 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] started tweaking git repo https://github.com/ChakshuGupta/binary-tree-rust
[INFO] finished tweaking git repo https://github.com/ChakshuGupta/binary-tree-rust
[INFO] tweaked toml for git repo https://github.com/ChakshuGupta/binary-tree-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ChakshuGupta/binary-tree-rust 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7efd0db484f9383fc1c4de4c8093ed3f4af302336f0541accfc0d745d697f077
[INFO] running `Command { std: "docker" "start" "-a" "7efd0db484f9383fc1c4de4c8093ed3f4af302336f0541accfc0d745d697f077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7efd0db484f9383fc1c4de4c8093ed3f4af302336f0541accfc0d745d697f077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7efd0db484f9383fc1c4de4c8093ed3f4af302336f0541accfc0d745d697f077", kill_on_drop: false }`
[INFO] [stdout] 7efd0db484f9383fc1c4de4c8093ed3f4af302336f0541accfc0d745d697f077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 43be81f3bda03dedd95fc95cf85b0506a6405bac0ad1443b7d09776adb828276
[INFO] running `Command { std: "docker" "start" "-a" "43be81f3bda03dedd95fc95cf85b0506a6405bac0ad1443b7d09776adb828276", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustsint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/tree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]    --> src/tree.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/tree.rs:174:39
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43be81f3bda03dedd95fc95cf85b0506a6405bac0ad1443b7d09776adb828276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43be81f3bda03dedd95fc95cf85b0506a6405bac0ad1443b7d09776adb828276", kill_on_drop: false }`
[INFO] [stdout] 43be81f3bda03dedd95fc95cf85b0506a6405bac0ad1443b7d09776adb828276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b4a7b1ed263ec509af42a712bf6dd129bfc910f3a7acd393f7e41b2367004910
[INFO] running `Command { std: "docker" "start" "-a" "b4a7b1ed263ec509af42a712bf6dd129bfc910f3a7acd393f7e41b2367004910", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustsint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/tree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]    --> src/tree.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/tree.rs:174:39
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b4a7b1ed263ec509af42a712bf6dd129bfc910f3a7acd393f7e41b2367004910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a7b1ed263ec509af42a712bf6dd129bfc910f3a7acd393f7e41b2367004910", kill_on_drop: false }`
[INFO] [stdout] b4a7b1ed263ec509af42a712bf6dd129bfc910f3a7acd393f7e41b2367004910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] af68e668f6110d8a51298dd8da2bbdd7945d5f931a9586a5d3a6eb4bdad8473a
[INFO] running `Command { std: "docker" "start" "-a" "af68e668f6110d8a51298dd8da2bbdd7945d5f931a9586a5d3a6eb4bdad8473a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> src/tree.rs:3:5
[INFO] [stdout] test tree::test::insert ... ok
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `age`
[INFO] [stderr]    --> src/tree.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stderr]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/tree.rs:174:39
[INFO] [stderr]     |
[INFO] [stderr] 174 |     pub fn erase(&mut self, age: i32, name: String) -> bool {
[INFO] [stderr]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustsint-f8ebd56622b4db27)
[INFO] [stdout] test tree::test::reset ... ok
[INFO] [stdout] test tree::test::print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af68e668f6110d8a51298dd8da2bbdd7945d5f931a9586a5d3a6eb4bdad8473a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af68e668f6110d8a51298dd8da2bbdd7945d5f931a9586a5d3a6eb4bdad8473a", kill_on_drop: false }`
[INFO] [stdout] af68e668f6110d8a51298dd8da2bbdd7945d5f931a9586a5d3a6eb4bdad8473a