[INFO] cloning repository https://github.com/findango/adventofcode-2020-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/findango/adventofcode-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindango%2Fadventofcode-2020-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindango%2Fadventofcode-2020-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2af55bae024e6053450b1f0fa7fc2069b0a96ced
[INFO] checking findango/adventofcode-2020-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindango%2Fadventofcode-2020-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/findango/adventofcode-2020-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/findango/adventofcode-2020-rust
[INFO] finished tweaking git repo https://github.com/findango/adventofcode-2020-rust
[INFO] tweaked toml for git repo https://github.com/findango/adventofcode-2020-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/findango/adventofcode-2020-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abfd4c51783bf145615b6d1e243cfba4b545ea4d5e87b0b702a49c7e73a8fc9b
[INFO] running `Command { std: "docker" "start" "-a" "abfd4c51783bf145615b6d1e243cfba4b545ea4d5e87b0b702a49c7e73a8fc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abfd4c51783bf145615b6d1e243cfba4b545ea4d5e87b0b702a49c7e73a8fc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfd4c51783bf145615b6d1e243cfba4b545ea4d5e87b0b702a49c7e73a8fc9b", kill_on_drop: false }`
[INFO] [stdout] abfd4c51783bf145615b6d1e243cfba4b545ea4d5e87b0b702a49c7e73a8fc9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515dac87361802019f0850d5983267490cd3214b09766422dba8dfb2b932871f
[INFO] running `Command { std: "docker" "start" "-a" "515dac87361802019f0850d5983267490cd3214b09766422dba8dfb2b932871f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "515dac87361802019f0850d5983267490cd3214b09766422dba8dfb2b932871f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515dac87361802019f0850d5983267490cd3214b09766422dba8dfb2b932871f", kill_on_drop: false }`
[INFO] [stdout] 515dac87361802019f0850d5983267490cd3214b09766422dba8dfb2b932871f
[INFO] checking findango/adventofcode-2020-rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffindango%2Fadventofcode-2020-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/findango/adventofcode-2020-rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/findango/adventofcode-2020-rust
[INFO] finished tweaking git repo https://github.com/findango/adventofcode-2020-rust
[INFO] tweaked toml for git repo https://github.com/findango/adventofcode-2020-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/findango/adventofcode-2020-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4fbf435aa488bc6b0c53be272d006a850a9fac63aaed423718ec92054f69613
[INFO] running `Command { std: "docker" "start" "-a" "d4fbf435aa488bc6b0c53be272d006a850a9fac63aaed423718ec92054f69613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fbf435aa488bc6b0c53be272d006a850a9fac63aaed423718ec92054f69613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fbf435aa488bc6b0c53be272d006a850a9fac63aaed423718ec92054f69613", kill_on_drop: false }`
[INFO] [stdout] d4fbf435aa488bc6b0c53be272d006a850a9fac63aaed423718ec92054f69613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ad6a27760e22197317e73ff186c0e2b0fbf83f194471686719a179be05ab11
[INFO] running `Command { std: "docker" "start" "-a" "58ad6a27760e22197317e73ff186c0e2b0fbf83f194471686719a179be05ab11", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/day01.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn find_combo<P>(length: usize, list: &[i32], predicate: P) -> Vec<&i32>
[INFO] [stdout]    |                                                 ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 | /     list.iter()
[INFO] [stdout] 19 | |         .combinations(length)
[INFO] [stdout] 20 | |         .filter(predicate)
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2020` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/day01.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |   fn find_combo<P>(length: usize, list: &[i32], predicate: P) -> Vec<&i32>
[INFO] [stdout]    |                                                 ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 18 | /     list.iter()
[INFO] [stdout] 19 | |         .combinations(length)
[INFO] [stdout] 20 | |         .filter(predicate)
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2020` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "58ad6a27760e22197317e73ff186c0e2b0fbf83f194471686719a179be05ab11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ad6a27760e22197317e73ff186c0e2b0fbf83f194471686719a179be05ab11", kill_on_drop: false }`
[INFO] [stdout] 58ad6a27760e22197317e73ff186c0e2b0fbf83f194471686719a179be05ab11