[INFO] fetching crate serde-prc 0.1.1...
[INFO] fixing serde-prc-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate serde-prc 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate serde-prc 0.1.1
[INFO] finished tweaking crates.io crate serde-prc 0.1.1
[INFO] tweaked toml for crates.io crate serde-prc 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-prc 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding serial_test v2.0.0 (available: v3.5.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded diff_derive v0.1.2
[INFO] [stderr]   Downloaded diff-struct v0.3.1
[INFO] [stderr]   Downloaded hash40 v1.3.1
[INFO] [stderr]   Downloaded binrw v0.11.3
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded binrw_derive v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7
[INFO] running `Command { std: "docker" "start" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7", 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" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7", 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" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7" "/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 v1.0.106
[INFO] [stderr]    Compiling binrw_derive v0.11.3
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling binrw v0.11.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling diff_derive v0.1.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking diff-struct v0.3.1
[INFO] [stderr]     Checking hash40 v1.3.1
[INFO] [stderr]     Checking serde-prc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/de.rs:487:13
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let offset = self.reader.stream_position()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/de.rs:487:13
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let offset = self.reader.stream_position()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[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 15.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: binrw v0.11.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7", kill_on_drop: false }`
[INFO] [stdout] 464badebd41e7146d0fe8db11f13978fd7a67fa656124e428f2bf7dba8e00ab7
