[INFO] fetching crate rsdiff-core 0.0.2...
[INFO] building rsdiff-core-0.0.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rsdiff-core 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rsdiff-core 0.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rsdiff-core 0.0.2
[INFO] tweaked toml for crates.io crate rsdiff-core 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsdiff-core 0.0.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsdiff-core 0.0.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scsys v0.3.0
[INFO] [stderr]   Downloaded smart-default v0.7.1
[INFO] [stderr]   Downloaded scsys-core v0.3.0
[INFO] [stderr]   Downloaded scsys-crypto v0.3.0
[INFO] [stderr]   Downloaded scsys-config v0.3.0
[INFO] [stderr]   Downloaded scsys-derive v0.3.0
[INFO] [stderr]   Downloaded generic-array v1.2.0
[INFO] [stderr]   Downloaded config v0.15.11
[INFO] [stderr]   Downloaded scsys-util v0.3.0
[INFO] [stderr]   Downloaded scsys-traits v0.3.0
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fce74c1676504035fe134bc7839f4aeb1f4505ba3574d1f5917e7c2febc26f3
[INFO] running `Command { std: "docker" "start" "-a" "3fce74c1676504035fe134bc7839f4aeb1f4505ba3574d1f5917e7c2febc26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fce74c1676504035fe134bc7839f4aeb1f4505ba3574d1f5917e7c2febc26f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fce74c1676504035fe134bc7839f4aeb1f4505ba3574d1f5917e7c2febc26f3", kill_on_drop: false }`
[INFO] [stdout] 3fce74c1676504035fe134bc7839f4aeb1f4505ba3574d1f5917e7c2febc26f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57193e5bc86104ece6a1c2a7a2c3722db8420e3c0d7d735cb7b25463eea13c2
[INFO] running `Command { std: "docker" "start" "-a" "c57193e5bc86104ece6a1c2a7a2c3722db8420e3c0d7d735cb7b25463eea13c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling scsys-derive v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling scsys-core v0.3.0
[INFO] [stderr]    Compiling scsys v0.3.0
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling rsdiff-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stdout] warning: struct `U` is never constructed
[INFO] [stdout]    --> src/macros.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 | struct U(usize);
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.97s
[INFO] running `Command { std: "docker" "inspect" "c57193e5bc86104ece6a1c2a7a2c3722db8420e3c0d7d735cb7b25463eea13c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57193e5bc86104ece6a1c2a7a2c3722db8420e3c0d7d735cb7b25463eea13c2", kill_on_drop: false }`
[INFO] [stdout] c57193e5bc86104ece6a1c2a7a2c3722db8420e3c0d7d735cb7b25463eea13c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f331fdee4e845eaee27a02cb61a3f19c6d7b3e73efa09fdf36aec22224bb56
[INFO] running `Command { std: "docker" "start" "-a" "97f331fdee4e845eaee27a02cb61a3f19c6d7b3e73efa09fdf36aec22224bb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsdiff-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `U` is never constructed
[INFO] [stdout]    --> src/macros.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 | struct U(usize);
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U` is never constructed
[INFO] [stdout]    --> src/macros.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 | struct U(usize);
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "97f331fdee4e845eaee27a02cb61a3f19c6d7b3e73efa09fdf36aec22224bb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f331fdee4e845eaee27a02cb61a3f19c6d7b3e73efa09fdf36aec22224bb56", kill_on_drop: false }`
[INFO] [stdout] 97f331fdee4e845eaee27a02cb61a3f19c6d7b3e73efa09fdf36aec22224bb56