[INFO] fetching crate serde-prc 0.1.1...
[INFO] testing serde-prc-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate serde-prc 0.1.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-prc 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--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]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding serial_test v2.0.0 (available: v3.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff-struct v0.3.1
[INFO] [stderr]   Downloaded diff_derive v0.1.2
[INFO] [stderr]   Downloaded hash40 v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf3621c3d57247053b8fc755b4efc6b8d985b9ac60c5a84d4ba8c5a459e51f5d
[INFO] running `Command { std: "docker" "start" "-a" "bf3621c3d57247053b8fc755b4efc6b8d985b9ac60c5a84d4ba8c5a459e51f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3621c3d57247053b8fc755b4efc6b8d985b9ac60c5a84d4ba8c5a459e51f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3621c3d57247053b8fc755b4efc6b8d985b9ac60c5a84d4ba8c5a459e51f5d", kill_on_drop: false }`
[INFO] [stdout] bf3621c3d57247053b8fc755b4efc6b8d985b9ac60c5a84d4ba8c5a459e51f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c7ba2439b7d72cb45a1c3bf4940eecf38b0c54d8dea46257d91e2842a3ea0f
[INFO] running `Command { std: "docker" "start" "-a" "96c7ba2439b7d72cb45a1c3bf4940eecf38b0c54d8dea46257d91e2842a3ea0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling diff_derive v0.1.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling diff-struct v0.3.1
[INFO] [stderr]    Compiling hash40 v1.3.1
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.17s
[INFO] running `Command { std: "docker" "inspect" "96c7ba2439b7d72cb45a1c3bf4940eecf38b0c54d8dea46257d91e2842a3ea0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c7ba2439b7d72cb45a1c3bf4940eecf38b0c54d8dea46257d91e2842a3ea0f", kill_on_drop: false }`
[INFO] [stdout] 96c7ba2439b7d72cb45a1c3bf4940eecf38b0c54d8dea46257d91e2842a3ea0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad204806c7310427c501ed0da845aac3fb6447d32a519e23d6a63f4590753147
[INFO] running `Command { std: "docker" "start" "-a" "ad204806c7310427c501ed0da845aac3fb6447d32a519e23d6a63f4590753147", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling diff-struct v0.3.1
[INFO] [stderr]    Compiling hash40 v1.3.1
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `Command { std: "docker" "inspect" "ad204806c7310427c501ed0da845aac3fb6447d32a519e23d6a63f4590753147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad204806c7310427c501ed0da845aac3fb6447d32a519e23d6a63f4590753147", kill_on_drop: false }`
[INFO] [stdout] ad204806c7310427c501ed0da845aac3fb6447d32a519e23d6a63f4590753147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aba8af58d54a2454d15cd84369fcb55340ba40179842debd2dcdebe0a7591e1
[INFO] running `Command { std: "docker" "start" "-a" "7aba8af58d54a2454d15cd84369fcb55340ba40179842debd2dcdebe0a7591e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/de.rs:487:13
[INFO] [stderr]     |
[INFO] [stderr] 487 |         let offset = self.reader.stream_position()?;
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-prc` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-prc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_prc-a17b8b690587000f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::deserialize_i16 ... ok
[INFO] [stdout] test tests::deserialize_i8 ... ok
[INFO] [stdout] test tests::deserialize_i32 ... ok
[INFO] [stdout] test tests::deserialize_f32 ... ok
[INFO] [stdout] test tests::deserialize_string ... ok
[INFO] [stdout] test tests::deserialize_u16 ... ok
[INFO] [stdout] test tests::deserialize_u32 ... ok
[INFO] [stdout] test tests::deserialize_u8 ... ok
[INFO] [stdout] test tests::hash::deserialize_hash_as_str ... ok
[INFO] [stdout] test tests::hash::deserialize_hash_as_u64 ... ok
[INFO] [stdout] test tests::hash::deserialize_hash_with_labels ... ok
[INFO] [stdout] test tests::hash::deserialize_hash ... ok
[INFO] [stdout] test tests::deserialize_list ... ok
[INFO] [stdout] test tests::deserialize_bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_prc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7aba8af58d54a2454d15cd84369fcb55340ba40179842debd2dcdebe0a7591e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aba8af58d54a2454d15cd84369fcb55340ba40179842debd2dcdebe0a7591e1", kill_on_drop: false }`
[INFO] [stdout] 7aba8af58d54a2454d15cd84369fcb55340ba40179842debd2dcdebe0a7591e1