[INFO] cloning repository https://github.com/that-ambuj/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/that-ambuj/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthat-ambuj%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthat-ambuj%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9928c43576196e723ce18a717c01275d88fef86
[INFO] checking that-ambuj/aoc-2021 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthat-ambuj%2Faoc-2021" "/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/that-ambuj/aoc-2021 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/that-ambuj/aoc-2021
[INFO] finished tweaking git repo https://github.com/that-ambuj/aoc-2021
[INFO] tweaked toml for git repo https://github.com/that-ambuj/aoc-2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/that-ambuj/aoc-2021 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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking that-ambuj/aoc-2021 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%2Fthat-ambuj%2Faoc-2021" "/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/that-ambuj/aoc-2021 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/that-ambuj/aoc-2021
[INFO] finished tweaking git repo https://github.com/that-ambuj/aoc-2021
[INFO] tweaked toml for git repo https://github.com/that-ambuj/aoc-2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/that-ambuj/aoc-2021 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded regex-automata v0.3.2
[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] 0d44b7a29d428e8770a7ab587806481d5c19eec8bee8ca96f24f6bfb6c441b40
[INFO] running `Command { std: "docker" "start" "-a" "0d44b7a29d428e8770a7ab587806481d5c19eec8bee8ca96f24f6bfb6c441b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d44b7a29d428e8770a7ab587806481d5c19eec8bee8ca96f24f6bfb6c441b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d44b7a29d428e8770a7ab587806481d5c19eec8bee8ca96f24f6bfb6c441b40", kill_on_drop: false }`
[INFO] [stdout] 0d44b7a29d428e8770a7ab587806481d5c19eec8bee8ca96f24f6bfb6c441b40
[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] a0e4d527f318441abd541cac55ebc8e0c7e59e137c266b90e7f7f448f0f1a35b
[INFO] running `Command { std: "docker" "start" "-a" "a0e4d527f318441abd541cac55ebc8e0c7e59e137c266b90e7f7f448f0f1a35b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking aoc-2021 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/day8.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |               let mut values = parse_signal(signal);
[INFO] [stdout]    |                       ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 28 |
[INFO] [stdout] 29 |               let required_values = parse_signal(output);
[INFO] [stdout]    |                   --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 37 | /             required_values
[INFO] [stdout] 38 | |                 .into_iter()
[INFO] [stdout] 39 | |                 .map(|v| decoded_signal.iter().find(|(set, _)| **set == v).unwrap())
[INFO] [stdout] 40 | |                 .map(|(_, number)| char::from_digit(*number as u32, 10).unwrap())
[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 `aoc-2021` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a0e4d527f318441abd541cac55ebc8e0c7e59e137c266b90e7f7f448f0f1a35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e4d527f318441abd541cac55ebc8e0c7e59e137c266b90e7f7f448f0f1a35b", kill_on_drop: false }`
[INFO] [stdout] a0e4d527f318441abd541cac55ebc8e0c7e59e137c266b90e7f7f448f0f1a35b