[INFO] cloning repository https://github.com/rabbitkiller-dev/rs_design_patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rabbitkiller-dev/rs_design_patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabbitkiller-dev%2Frs_design_patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabbitkiller-dev%2Frs_design_patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e03e2d1bf860eab85973f766ee68730eb8547eea
[INFO] checking rabbitkiller-dev/rs_design_patterns against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabbitkiller-dev%2Frs_design_patterns" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rabbitkiller-dev/rs_design_patterns
[INFO] finished tweaking git repo https://github.com/rabbitkiller-dev/rs_design_patterns
[INFO] tweaked toml for git repo https://github.com/rabbitkiller-dev/rs_design_patterns written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rabbitkiller-dev/rs_design_patterns on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rabbitkiller-dev/rs_design_patterns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50
[INFO] running `Command { std: "docker" "start" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking tree_handler v0.1.0 (/opt/rustwide/workdir/package/tree_handler)
[INFO] [stderr]     Checking rs_design_patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut node = self.roots.last_mut().unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut node = self.roots.last_mut().unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn add_root<'a>(&'a mut self, node: TreeNodeHandler) {
[INFO] [stdout]    |                     --  ------------ has type `&mut TreeHandler<'1>`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 32 |         self.parent_map.insert(node.id.clone(), node);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'a` must outlive `'1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requirement occurs because of a mutable reference to `HashMap<String, &mut TreeNodeHandler>`
[INFO] [stdout]    = note: mutable references are invariant over their type parameter
[INFO] [stdout]    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn add_root<'a>(&'a mut self, node: TreeNodeHandler) {
[INFO] [stdout]    |                     --  ------------ has type `&mut TreeHandler<'1>`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 32 |         self.parent_map.insert(node.id.clone(), node);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'a` must outlive `'1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requirement occurs because of a mutable reference to `HashMap<String, &mut TreeNodeHandler>`
[INFO] [stdout]    = note: mutable references are invariant over their type parameter
[INFO] [stdout]    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `node`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut node = self.roots.last_mut().unwrap();
[INFO] [stdout]    |             -------- move occurs because `node` has type `&mut TreeNodeHandler`, which does not implement the `Copy` trait
[INFO] [stdout] 30 |         let a = node.id.clone();
[INFO] [stdout] 31 |         let ab = node;
[INFO] [stdout]    |                  ---- value moved here
[INFO] [stdout] 32 |         self.parent_map.insert(node.id.clone(), node);
[INFO] [stdout]    |                                ^^^^^^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `node`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut node = self.roots.last_mut().unwrap();
[INFO] [stdout]    |             -------- move occurs because `node` has type `&mut TreeNodeHandler`, which does not implement the `Copy` trait
[INFO] [stdout] 30 |         let a = node.id.clone();
[INFO] [stdout] 31 |         let ab = node;
[INFO] [stdout]    |                  ---- value moved here
[INFO] [stdout] 32 |         self.parent_map.insert(node.id.clone(), node);
[INFO] [stdout]    |                                ^^^^^^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let a = node.id.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let a = node.id.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ab`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let ab = node;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ab`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ab`
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let ab = node;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ab`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> package/tree_handler/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut root = tree_handler.get_mut_unwrap("rademo");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree_handler` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tree_handler` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50", kill_on_drop: false }`
[INFO] [stdout] 0471830a70953947ad9bd44ab68f31375cf46f7127af49196c8b432bcd921e50
