[INFO] fetching crate silverfish 0.3.0...
[INFO] fixing silverfish-0.3.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate silverfish 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate silverfish 0.3.0
[INFO] finished tweaking crates.io crate silverfish 0.3.0
[INFO] tweaked toml for crates.io crate silverfish 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silverfish 0.3.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate silverfish 0.3.0 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simdnbt v0.8.0
[INFO] [stderr]   Downloaded lz4-java-wrc v0.2.0
[INFO] [stderr]   Downloaded simdnbt-derive v0.8.0
[INFO] [stderr]   Downloaded lz4_flex v0.11.5
[INFO] [stderr]   Downloaded simd_cesu8 v1.1.0
[INFO] [stderr]   Downloaded mca v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073
[INFO] running `Command { std: "docker" "start" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking lz4_flex v0.11.5
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling simd_cesu8 v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking lz4-java-wrc v0.2.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling simdnbt-derive v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking simdnbt v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking mca v1.1.0
[INFO] [stderr]     Checking silverfish v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/region.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |             len -= 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read `src/../tests/full_region.mca`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/region.rs:600:32
[INFO] [stdout]     |
[INFO] [stdout] 600 |     const TEST_REGION: &[u8] = include_bytes!("../tests/full_region.mca");
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/empty_region.mca`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/region.rs:610:33
[INFO] [stdout]     |
[INFO] [stdout] 610 |     const EMPTY_REGION: &[u8] = include_bytes!("../tests/empty_region.mca");
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/region.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |             len -= 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `silverfish` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073", kill_on_drop: false }`
[INFO] [stdout] 5170cb15692d4670cfd69704b961c2d1a7ee69a93d08fecfc853e8c4e7422073
