[INFO] cloning repository https://github.com/NilsIrl/advent2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NilsIrl/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilsIrl%2Fadvent2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilsIrl%2Fadvent2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cfadf10771e5f721075f5fe94b9cdfd70101a4dd [INFO] checking NilsIrl/advent2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilsIrl%2Fadvent2020" "/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/NilsIrl/advent2020 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/NilsIrl/advent2020 [INFO] finished tweaking git repo https://github.com/NilsIrl/advent2020 [INFO] tweaked toml for git repo https://github.com/NilsIrl/advent2020 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/NilsIrl/advent2020 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 serde_json v1.0.60 [INFO] [stderr] Downloaded aoc-runner-derive v0.3.0 [INFO] [stderr] Downloaded aoc-runner-internal v0.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded aoc-runner v0.3.0 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded syn v1.0.53 [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] 09f77009ce90a4abede00d943d4c895b10e6a4738d58d8056388f27c1e9a57cf [INFO] running `Command { std: "docker" "start" "-a" "09f77009ce90a4abede00d943d4c895b10e6a4738d58d8056388f27c1e9a57cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09f77009ce90a4abede00d943d4c895b10e6a4738d58d8056388f27c1e9a57cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09f77009ce90a4abede00d943d4c895b10e6a4738d58d8056388f27c1e9a57cf", kill_on_drop: false }` [INFO] [stdout] 09f77009ce90a4abede00d943d4c895b10e6a4738d58d8056388f27c1e9a57cf [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] 7067dcb0745e1c78240e866712eca70f3fe8adbb50edeb8639e84c668b1f7ab3 [INFO] running `Command { std: "docker" "start" "-a" "7067dcb0745e1c78240e866712eca70f3fe8adbb50edeb8639e84c668b1f7ab3", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling aoc-runner-internal v0.1.0 [INFO] [stderr] Compiling aoc-runner-derive v0.3.0 [INFO] [stderr] Checking advent2020 v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: cannot borrow `remaining_fields` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day16.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 100 | let s: Vec<_> = remaining_fields [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 111 | remaining_fields.remove(s[0].clone()); [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: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once, destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `remaining_fields` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day16.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 100 | let s: Vec<_> = remaining_fields [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 111 | remaining_fields.remove(s[0].clone()); [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: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once, destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.29s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking advent2020 v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: cannot borrow `remaining_fields` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day16.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 100 | let s: Vec<_> = remaining_fields [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 111 | remaining_fields.remove(s[0].clone()); [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: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once, destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `remaining_fields` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day16.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 100 | let s: Vec<_> = remaining_fields [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 111 | remaining_fields.remove(s[0].clone()); [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: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once, destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "7067dcb0745e1c78240e866712eca70f3fe8adbb50edeb8639e84c668b1f7ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7067dcb0745e1c78240e866712eca70f3fe8adbb50edeb8639e84c668b1f7ab3", kill_on_drop: false }` [INFO] [stdout] 7067dcb0745e1c78240e866712eca70f3fe8adbb50edeb8639e84c668b1f7ab3