[INFO] cloning repository https://github.com/whzup/minimax.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whzup/minimax.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhzup%2Fminimax.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhzup%2Fminimax.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2750db59a500a2eedafd646ecf1eb32e5cb69b8
[INFO] checking whzup/minimax.rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhzup%2Fminimax.rs" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whzup/minimax.rs 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/whzup/minimax.rs
[INFO] finished tweaking git repo https://github.com/whzup/minimax.rs
[INFO] tweaked toml for git repo https://github.com/whzup/minimax.rs written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/whzup/minimax.rs 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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 738906f1e811c3a2df81b27168bc4174b23247643ffcc124eb713e03cf5d65b1
[INFO] running `Command { std: "docker" "start" "-a" "738906f1e811c3a2df81b27168bc4174b23247643ffcc124eb713e03cf5d65b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738906f1e811c3a2df81b27168bc4174b23247643ffcc124eb713e03cf5d65b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738906f1e811c3a2df81b27168bc4174b23247643ffcc124eb713e03cf5d65b1", kill_on_drop: false }`
[INFO] [stdout] 738906f1e811c3a2df81b27168bc4174b23247643ffcc124eb713e03cf5d65b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 93721dc1d5134ba6053ad3237d293185e476118a266bb1161da6045ae58ee0ba
[INFO] running `Command { std: "docker" "start" "-a" "93721dc1d5134ba6053ad3237d293185e476118a266bb1161da6045ae58ee0ba", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty_trees v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/tree_lib/tree.rs (1 fix)
[INFO] [stderr]        Fixed src/tree_lib/node.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty_trees v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node`
[INFO] [stdout]   --> src/tree_lib/node.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let node = Node::new(12, true, None, None);
[INFO] [stdout]    |                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::Node;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rc`
[INFO] [stdout]   --> src/tree_lib/node.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |         assert_eq!(node, Rc::new(RefCell::new(Node { val: 12, color: true, left: None, right:
[INFO] [stdout]    |                          ^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use std::rc::Rc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RefCell`
[INFO] [stdout]   --> src/tree_lib/node.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |         assert_eq!(node, Rc::new(RefCell::new(Node { val: 12, color: true, left: None, right:
[INFO] [stdout]    |                                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use core::cell::RefCell;
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::RefCell;
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use std::cell::RefCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Node` in this scope
[INFO] [stdout]    --> src/tree_lib/node.rs:66:47
[INFO] [stdout]     |
[INFO] [stdout] 66  |         assert_eq!(node, Rc::new(RefCell::new(Node { val: 12, color: true, left: None, right:
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a variant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 66  |         assert_eq!(node, Rc::new(RefCell::new(None { val: 12, color: true, left: None, right:
[INFO] [stdout]     |                                               ~~~~
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 64  |     use crate::Node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTree`
[INFO] [stdout]   --> src/tree_lib/tree.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let tree = BTree::new_empty();
[INFO] [stdout]    |                    ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::BTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `BTree` in this scope
[INFO] [stdout]   --> src/tree_lib/tree.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |         assert_eq!(tree, BTree {
[INFO] [stdout]    |                          ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::BTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTree`
[INFO] [stdout]   --> src/tree_lib/tree.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let tree = BTree::new(12, true);
[INFO] [stdout]    |                    ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::BTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `BTree` in this scope
[INFO] [stdout]   --> src/tree_lib/tree.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         assert_eq!(tree, BTree {
[INFO] [stdout]    |                          ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::BTree;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node`
[INFO] [stdout]   --> src/tree_lib/tree.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             root: Some(Node::new(12, true, None, None)),
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::Node;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_trees` due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "93721dc1d5134ba6053ad3237d293185e476118a266bb1161da6045ae58ee0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93721dc1d5134ba6053ad3237d293185e476118a266bb1161da6045ae58ee0ba", kill_on_drop: false }`
[INFO] [stdout] 93721dc1d5134ba6053ad3237d293185e476118a266bb1161da6045ae58ee0ba