[INFO] fetching crate flamme-rouge 0.1.0... [INFO] checking flamme-rouge-0.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate flamme-rouge 0.1.0 into /workspace/builds/worker-77/source [INFO] validating manifest of crates.io crate flamme-rouge 0.1.0 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 flamme-rouge 0.1.0 [INFO] finished tweaking crates.io crate flamme-rouge 0.1.0 [INFO] tweaked toml for crates.io crate flamme-rouge 0.1.0 written to /workspace/builds/worker-77/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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded card_deck v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] e4488b9f0b180f6709be79919c455211278781dcdd77637c241c550eb0cab14f [INFO] running `Command { std: "docker" "start" "-a" "e4488b9f0b180f6709be79919c455211278781dcdd77637c241c550eb0cab14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4488b9f0b180f6709be79919c455211278781dcdd77637c241c550eb0cab14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4488b9f0b180f6709be79919c455211278781dcdd77637c241c550eb0cab14f", kill_on_drop: false }` [INFO] [stdout] e4488b9f0b180f6709be79919c455211278781dcdd77637c241c550eb0cab14f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] f901d5fd9d7e55eb3db2a379b17a579df31ae90a0516dcd23bbfda304d54d14c [INFO] running `Command { std: "docker" "start" "-a" "f901d5fd9d7e55eb3db2a379b17a579df31ae90a0516dcd23bbfda304d54d14c", 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] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Checking backtrace v0.3.61 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking card_deck v0.1.9 [INFO] [stderr] Checking flamme-rouge v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/core.rs (1 fix) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.46s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking flamme-rouge v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `Command { std: "docker" "inspect" "f901d5fd9d7e55eb3db2a379b17a579df31ae90a0516dcd23bbfda304d54d14c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f901d5fd9d7e55eb3db2a379b17a579df31ae90a0516dcd23bbfda304d54d14c", kill_on_drop: false }` [INFO] [stdout] f901d5fd9d7e55eb3db2a379b17a579df31ae90a0516dcd23bbfda304d54d14c