[INFO] fetching crate potpack 0.1.2...
[INFO] checking potpack-0.1.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate potpack 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate potpack 0.1.2 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 potpack 0.1.2
[INFO] finished tweaking crates.io crate potpack 0.1.2
[INFO] tweaked toml for crates.io crate potpack 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate potpack 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f3ca9fdf4203be3c01e5c8aedef1daf97bb01936810646a3eebea83ed8e77605
[INFO] running `Command { std: "docker" "start" "-a" "f3ca9fdf4203be3c01e5c8aedef1daf97bb01936810646a3eebea83ed8e77605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ca9fdf4203be3c01e5c8aedef1daf97bb01936810646a3eebea83ed8e77605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ca9fdf4203be3c01e5c8aedef1daf97bb01936810646a3eebea83ed8e77605", kill_on_drop: false }`
[INFO] [stdout] f3ca9fdf4203be3c01e5c8aedef1daf97bb01936810646a3eebea83ed8e77605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9404c22bccd69836ed40ba9f7de4a2b41bb25654aab9c3ac4d3de92a37b507dd
[INFO] running `Command { std: "docker" "start" "-a" "9404c22bccd69836ed40ba9f7de4a2b41bb25654aab9c3ac4d3de92a37b507dd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking potpack v0.1.2 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] error[E0425]: cannot find function `approx_eq` in this scope
[INFO] [stdout]    --> src/lib.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |         assert!(approx_eq(a,b));
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use crate::approx_eq;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `SizedItem` in this scope
[INFO] [stdout]    --> src/lib.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |             boxes.push(SizedItem {
[INFO] [stdout]     |                        ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use crate::SizedItem;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PotPack`
[INFO] [stdout]    --> src/lib.rs:212:20
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let pack = PotPack::new(&boxes);
[INFO] [stdout]     |                    ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use crate::PotPack;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `spaces` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lib.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |             for (i, space) in spaces.iter().enumerate().rev() {
[INFO] [stdout]     |                               ------ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     spaces.push(Space {
[INFO] [stdout]     |                     ^^^^^^ mutable borrow occurs here
[INFO] [stdout] 156 |                         id: space.id,
[INFO] [stdout]     |                             -------- immutable borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/bench.rs from 2018 edition to 2021
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `potpack` due to 4 previous errors
[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" "9404c22bccd69836ed40ba9f7de4a2b41bb25654aab9c3ac4d3de92a37b507dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9404c22bccd69836ed40ba9f7de4a2b41bb25654aab9c3ac4d3de92a37b507dd", kill_on_drop: false }`
[INFO] [stdout] 9404c22bccd69836ed40ba9f7de4a2b41bb25654aab9c3ac4d3de92a37b507dd