[INFO] cloning repository https://github.com/chrde/mazes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrde/mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Fmazes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Fmazes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fe9cf6123ac3dd603195424e125f9a9e645ac0c
[INFO] checking chrde/mazes against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrde%2Fmazes" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrde/mazes 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] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/chrde/mazes
[INFO] finished tweaking git repo https://github.com/chrde/mazes
[INFO] tweaked toml for git repo https://github.com/chrde/mazes written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chrde/mazes 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]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.7
[INFO] [stderr]   Downloaded fontdue v0.4.0
[INFO] [stderr]   Downloaded egui v0.11.0
[INFO] [stderr]   Downloaded emath v0.11.0
[INFO] [stderr]   Downloaded sapp-darwin v0.1.6
[INFO] [stderr]   Downloaded sapp-dummy v0.1.5
[INFO] [stderr]   Downloaded sapp-linux v0.1.12
[INFO] [stderr]   Downloaded sapp-wasm v0.1.23
[INFO] [stderr]   Downloaded sapp-jsutils v0.1.5
[INFO] [stderr]   Downloaded sapp-android v0.1.5
[INFO] [stderr]   Downloaded quad-rand v0.2.1
[INFO] [stderr]   Downloaded sapp-windows v0.2.16
[INFO] [stderr]   Downloaded epaint v0.11.0
[INFO] [stderr]   Downloaded quad-url v0.1.0
[INFO] [stderr]   Downloaded macroquad v0.3.0
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.29
[INFO] [stderr]   Downloaded macroquad_macro v0.1.2
[INFO] [stderr]   Downloaded sapp-ios v0.1.2
[INFO] [stderr]   Downloaded egui-miniquad v0.3.0
[INFO] [stderr]   Downloaded egui-macroquad v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 578ebb1e8ba97e3d1b7e476d32fc5c42dde7e7278aa8566239fa1378d85cf3a5
[INFO] running `Command { std: "docker" "start" "-a" "578ebb1e8ba97e3d1b7e476d32fc5c42dde7e7278aa8566239fa1378d85cf3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578ebb1e8ba97e3d1b7e476d32fc5c42dde7e7278aa8566239fa1378d85cf3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578ebb1e8ba97e3d1b7e476d32fc5c42dde7e7278aa8566239fa1378d85cf3a5", kill_on_drop: false }`
[INFO] [stdout] 578ebb1e8ba97e3d1b7e476d32fc5c42dde7e7278aa8566239fa1378d85cf3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b99296985d4c6a2b6ab0dedaff7e8c4bf1e69a3dd92b016692a90aaae1f6add7
[INFO] running `Command { std: "docker" "start" "-a" "b99296985d4c6a2b6ab0dedaff7e8c4bf1e69a3dd92b016692a90aaae1f6add7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   once_cell v1.7.2: default, std
[INFO] [stderr]   syn v1.0.72 (as host dependency): extra-traits, full, visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking atomic_refcell v0.1.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling sapp-linux v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking emath v0.11.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ttf-parser v0.8.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking sapp-jsutils v0.1.5
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.2
[INFO] [stderr]     Checking host_api v0.1.0 (/tmp/fixit/host_api)
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking bumpalo v3.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Migrating host_api/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking quad-url v0.1.0
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking fontdue v0.4.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking ordered-float v2.2.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking epaint v0.11.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking egui v0.11.0
[INFO] [stderr]     Checking notify v4.0.16
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.29
[INFO] [stderr]     Checking reloader v0.1.0 (/tmp/fixit/reloader)
[INFO] [stderr]    Migrating reloader/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking egui-miniquad v0.3.0
[INFO] [stderr]     Checking generator v0.1.0 (/tmp/fixit/generator)
[INFO] [stderr]    Migrating generator/src/lib.rs from 2018 edition to 2021
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BinaryTree`
[INFO] [stdout]    --> generator/src/maze.rs:250:17
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let t = BinaryTree::new(7, 3);
[INFO] [stdout]     |                 ^^^^^^^^^^ use of undeclared type `BinaryTree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> generator/src/maze.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed generator/src/generator/recur_backtracker.rs (2 fixes)
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "b99296985d4c6a2b6ab0dedaff7e8c4bf1e69a3dd92b016692a90aaae1f6add7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99296985d4c6a2b6ab0dedaff7e8c4bf1e69a3dd92b016692a90aaae1f6add7", kill_on_drop: false }`
[INFO] [stdout] b99296985d4c6a2b6ab0dedaff7e8c4bf1e69a3dd92b016692a90aaae1f6add7