[INFO] cloning repository https://github.com/DevinBayly/qt_ll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevinBayly/qt_ll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Fqt_ll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Fqt_ll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ce74770c3c2019c07e78c9015706519e7b2a8da
[INFO] checking DevinBayly/qt_ll against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinBayly%2Fqt_ll" "/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/DevinBayly/qt_ll on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevinBayly/qt_ll
[INFO] finished tweaking git repo https://github.com/DevinBayly/qt_ll
[INFO] tweaked toml for git repo https://github.com/DevinBayly/qt_ll written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DevinBayly/qt_ll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e084c8711aa8f928c92e3f343cd2abb28409b483125f164c72cac865067d131
[INFO] running `Command { std: "docker" "start" "-a" "3e084c8711aa8f928c92e3f343cd2abb28409b483125f164c72cac865067d131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e084c8711aa8f928c92e3f343cd2abb28409b483125f164c72cac865067d131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e084c8711aa8f928c92e3f343cd2abb28409b483125f164c72cac865067d131", kill_on_drop: false }`
[INFO] [stdout] 3e084c8711aa8f928c92e3f343cd2abb28409b483125f164c72cac865067d131
[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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a237e393c901eb7d1599f4a9129368fc815a74e6be5daa03419e961da6d4d26
[INFO] running `Command { std: "docker" "start" "-a" "1a237e393c901eb7d1599f4a9129368fc815a74e6be5daa03419e961da6d4d26", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking qt_ll v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |               ///println!("first leafs {:?}",leafs);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 137 | /             while let Some(candidate_rc) = leafs.pop() {
[INFO] [stdout] 138 | |             ////println!("looping leafs {:?}",leafs);
[INFO] [stdout] 139 | |                 //////println!("candidate len is {:?}",candidates.len());
[INFO] [stdout] 140 | |                 let mut candidate = candidate_rc.borrow_mut();
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                 // slowly deplete the list of candidates while we add
[INFO] [stdout] 166 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |               ///println!("first leafs {:?}",leafs);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 137 | /             while let Some(candidate_rc) = leafs.pop() {
[INFO] [stdout] 138 | |             ////println!("looping leafs {:?}",leafs);
[INFO] [stdout] 139 | |                 //////println!("candidate len is {:?}",candidates.len());
[INFO] [stdout] 140 | |                 let mut candidate = candidate_rc.borrow_mut();
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                 // slowly deplete the list of candidates while we add
[INFO] [stdout] 166 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `directAdd` should have a snake case name
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn directAdd(&mut self, o: PT) {
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `direct_add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `directAdd` should have a snake case name
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn directAdd(&mut self, o: PT) {
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `direct_add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking qt_ll v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |               ///println!("first leafs {:?}",leafs);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 137 | /             while let Some(candidate_rc) = leafs.pop() {
[INFO] [stdout] 138 | |             ////println!("looping leafs {:?}",leafs);
[INFO] [stdout] 139 | |                 //////println!("candidate len is {:?}",candidates.len());
[INFO] [stdout] 140 | |                 let mut candidate = candidate_rc.borrow_mut();
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                 // slowly deplete the list of candidates while we add
[INFO] [stdout] 166 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |               ///println!("first leafs {:?}",leafs);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 137 | /             while let Some(candidate_rc) = leafs.pop() {
[INFO] [stdout] 138 | |             ////println!("looping leafs {:?}",leafs);
[INFO] [stdout] 139 | |                 //////println!("candidate len is {:?}",candidates.len());
[INFO] [stdout] 140 | |                 let mut candidate = candidate_rc.borrow_mut();
[INFO] [stdout] ...   |
[INFO] [stdout] 165 | |                 // slowly deplete the list of candidates while we add
[INFO] [stdout] 166 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `directAdd` should have a snake case name
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn directAdd(&mut self, o: PT) {
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `direct_add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `directAdd` should have a snake case name
[INFO] [stdout]    --> src/main.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn directAdd(&mut self, o: PT) {
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `direct_add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "1a237e393c901eb7d1599f4a9129368fc815a74e6be5daa03419e961da6d4d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a237e393c901eb7d1599f4a9129368fc815a74e6be5daa03419e961da6d4d26", kill_on_drop: false }`
[INFO] [stdout] 1a237e393c901eb7d1599f4a9129368fc815a74e6be5daa03419e961da6d4d26