[INFO] fetching crate ushcn 0.2.5...
[INFO] checking ushcn-0.2.5 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate ushcn 0.2.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ushcn 0.2.5
[INFO] finished tweaking crates.io crate ushcn 0.2.5
[INFO] tweaked toml for crates.io crate ushcn 0.2.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ushcn 0.2.5 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ushcn 0.2.5 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.3.0
[INFO] [stderr]   Downloaded cc v1.1.1
[INFO] [stderr]   Downloaded arrow-row v52.1.0
[INFO] [stderr]   Downloaded arrow-arith v52.1.0
[INFO] [stderr]   Downloaded clap v4.5.9
[INFO] [stderr]   Downloaded arrow-csv v52.1.0
[INFO] [stderr]   Downloaded arrow v52.1.0
[INFO] [stderr]   Downloaded arrow-ipc v52.1.0
[INFO] [stderr]   Downloaded arrow-cast v52.1.0
[INFO] [stderr]   Downloaded arrow-array v52.1.0
[INFO] [stderr]   Downloaded arrow-json v52.1.0
[INFO] [stderr]   Downloaded arrow-ord v52.1.0
[INFO] [stderr]   Downloaded clap_builder v4.5.9
[INFO] [stderr]   Downloaded flatbuffers v24.3.25
[INFO] [stderr]   Downloaded arrow-buffer v52.1.0
[INFO] [stderr]   Downloaded arrow-data v52.1.0
[INFO] [stderr]   Downloaded arrow-select v52.1.0
[INFO] [stderr]   Downloaded arrow-string v52.1.0
[INFO] [stderr]   Downloaded arrow-schema v52.1.0
[INFO] [stderr]   Downloaded parquet v52.1.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.11+zstd.1.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaedf3792dd26787ebd52b46ed1cd961beffcf2682ead1c21a581229c14687a3
[INFO] running `Command { std: "docker" "start" "-a" "aaedf3792dd26787ebd52b46ed1cd961beffcf2682ead1c21a581229c14687a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaedf3792dd26787ebd52b46ed1cd961beffcf2682ead1c21a581229c14687a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaedf3792dd26787ebd52b46ed1cd961beffcf2682ead1c21a581229c14687a3", kill_on_drop: false }`
[INFO] [stdout] aaedf3792dd26787ebd52b46ed1cd961beffcf2682ead1c21a581229c14687a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96b0a4d5a21ab2a72fc49bd46eee9e5e89d1e78099a695a7f126c5be353e1d2d
[INFO] running `Command { std: "docker" "start" "-a" "96b0a4d5a21ab2a72fc49bd46eee9e5e89d1e78099a695a7f126c5be353e1d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.5
[INFO] [stderr]     Checking ushcn v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `command`
[INFO] [stdout]  --> src/cli/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{command, Parser};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `command`
[INFO] [stdout]  --> src/cli/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{command, Parser};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dataset_to_string` is never used
[INFO] [stdout]   --> src/cli/command/daily.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn dataset_to_string(dataset: &Dataset) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `month` is never read
[INFO] [stdout]   --> src/reading/monthly.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MonthlyReading {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub month: Option<u16>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonthlyReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dataset_to_string` is never used
[INFO] [stdout]   --> src/cli/command/daily.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn dataset_to_string(dataset: &Dataset) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `month` is never read
[INFO] [stdout]   --> src/reading/monthly.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MonthlyReading {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub month: Option<u16>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonthlyReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.17s
[INFO] running `Command { std: "docker" "inspect" "96b0a4d5a21ab2a72fc49bd46eee9e5e89d1e78099a695a7f126c5be353e1d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b0a4d5a21ab2a72fc49bd46eee9e5e89d1e78099a695a7f126c5be353e1d2d", kill_on_drop: false }`
[INFO] [stdout] 96b0a4d5a21ab2a72fc49bd46eee9e5e89d1e78099a695a7f126c5be353e1d2d