[INFO] fetching crate filereducelib 0.1.0...
[INFO] checking filereducelib-0.1.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate filereducelib 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate filereducelib 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate filereducelib 0.1.0
[INFO] tweaked toml for crates.io crate filereducelib 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filereducelib 0.1.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate filereducelib 0.1.0 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v1.0.17
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.8
[INFO] [stderr]   Downloaded cc v1.2.54
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.34
[INFO] [stderr]   Downloaded zerocopy v0.8.34
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cdbccd986f0782a604642a3a6e2d82780b4492ccfd07b53776717f00ebebc2
[INFO] running `Command { std: "docker" "start" "-a" "d3cdbccd986f0782a604642a3a6e2d82780b4492ccfd07b53776717f00ebebc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cdbccd986f0782a604642a3a6e2d82780b4492ccfd07b53776717f00ebebc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cdbccd986f0782a604642a3a6e2d82780b4492ccfd07b53776717f00ebebc2", kill_on_drop: false }`
[INFO] [stdout] d3cdbccd986f0782a604642a3a6e2d82780b4492ccfd07b53776717f00ebebc2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1775783201486550f1a29773d448f95d064e26ab97bb5a1faf909f3528ad29e
[INFO] running `Command { std: "docker" "start" "-a" "d1775783201486550f1a29773d448f95d064e26ab97bb5a1faf909f3528ad29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling zerocopy v0.8.34
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking filereducelib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> examples/seek_demo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Value;
[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 imports: `SeekFrom` and `Seek`
[INFO] [stdout]  --> examples/test_real_file.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufReader, BufWriter, Seek, SeekFrom};
[INFO] [stdout]   |                                     ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/test_real_file.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut record_count = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record_count`
[INFO] [stdout]   --> examples/test_real_file.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut record_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_record_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "d1775783201486550f1a29773d448f95d064e26ab97bb5a1faf909f3528ad29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1775783201486550f1a29773d448f95d064e26ab97bb5a1faf909f3528ad29e", kill_on_drop: false }`
[INFO] [stdout] d1775783201486550f1a29773d448f95d064e26ab97bb5a1faf909f3528ad29e