[INFO] fetching crate basic-pathfinding 0.2.8...
[INFO] checking basic-pathfinding-0.2.8 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate basic-pathfinding 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate basic-pathfinding 0.2.8 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 crates.io crate basic-pathfinding 0.2.8
[INFO] finished tweaking crates.io crate basic-pathfinding 0.2.8
[INFO] tweaked toml for crates.io crate basic-pathfinding 0.2.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0e97218f8f67d0385765173ac6b47e57b164241f8061b0ce1ee2556b580d2d25
[INFO] running `Command { std: "docker" "start" "-a" "0e97218f8f67d0385765173ac6b47e57b164241f8061b0ce1ee2556b580d2d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e97218f8f67d0385765173ac6b47e57b164241f8061b0ce1ee2556b580d2d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e97218f8f67d0385765173ac6b47e57b164241f8061b0ce1ee2556b580d2d25", kill_on_drop: false }`
[INFO] [stdout] 0e97218f8f67d0385765173ac6b47e57b164241f8061b0ce1ee2556b580d2d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6e54936d194a364ce0d2e0a9b86f47e5b15c97993184e01e2616c4805038aba1
[INFO] running `Command { std: "docker" "start" "-a" "6e54936d194a364ce0d2e0a9b86f47e5b15c97993184e01e2616c4805038aba1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking basic-pathfinding v0.2.8 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/find_path.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/to_coord_map.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/find_walkable.rs from 2018 edition to 2021
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `to_coord_map`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/to_coord_map.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0596]: cannot borrow `map` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> tests/to_coord_map.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr] 7  |       let map = ::std::collections::HashMap::new();
[INFO] [stderr]    |           --- help: consider changing this to be mutable: `mut map`
[INFO] [stderr] 8  |       $( map.insert($key, $val); )*
[INFO] [stderr]    |          ^^^ cannot borrow as mutable
[INFO] [stderr] ...
[INFO] [stderr] 22 |     assert_eq!(map, hashmap![
[INFO] [stderr]    |  ___________________-
[INFO] [stderr] 23 | |     2 => hashmap![
[INFO] [stderr] 24 | |       1 => true,
[INFO] [stderr] 25 | |       2 => true
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     ]
[INFO] [stderr] 31 | |   ]);
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `map` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> tests/to_coord_map.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr] 7  |       let map = ::std::collections::HashMap::new();
[INFO] [stderr]    |           --- help: consider changing this to be mutable: `mut map`
[INFO] [stderr] 8  |       $( map.insert($key, $val); )*
[INFO] [stderr]    |          ^^^ cannot borrow as mutable
[INFO] [stderr] ...
[INFO] [stderr] 23 |       2 => hashmap![
[INFO] [stderr]    |  __________-
[INFO] [stderr] 24 | |       1 => true,
[INFO] [stderr] 25 | |       2 => true
[INFO] [stderr] 26 | |     ],
[INFO] [stderr]    | |_____- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `map` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> tests/to_coord_map.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr] 7  |       let map = ::std::collections::HashMap::new();
[INFO] [stderr]    |           --- help: consider changing this to be mutable: `mut map`
[INFO] [stderr] 8  |       $( map.insert($key, $val); )*
[INFO] [stderr]    |          ^^^ cannot borrow as mutable
[INFO] [stderr] ...
[INFO] [stderr] 27 |       3 => hashmap![
[INFO] [stderr]    |  __________-
[INFO] [stderr] 28 | |       1 => true,
[INFO] [stderr] 29 | |       2 => true
[INFO] [stderr] 30 | |     ]
[INFO] [stderr]    | |_____- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/to_coord_map.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |     let mut map = ::std::collections::HashMap::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 15 |   let map = to_coord_map(hashmap![], vec![
[INFO] [stdout]    |                          ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.80s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking basic-pathfinding v0.2.8 (/tmp/fixit)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/to_coord_map.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |     let mut map = ::std::collections::HashMap::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 15 |   let map = to_coord_map(hashmap![], vec![
[INFO] [stdout]    |                          ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6e54936d194a364ce0d2e0a9b86f47e5b15c97993184e01e2616c4805038aba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e54936d194a364ce0d2e0a9b86f47e5b15c97993184e01e2616c4805038aba1", kill_on_drop: false }`
[INFO] [stdout] 6e54936d194a364ce0d2e0a9b86f47e5b15c97993184e01e2616c4805038aba1