[INFO] fetching crate silkgen 0.4.0...
[INFO] building silkgen-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate silkgen 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate silkgen 0.4.0
[INFO] finished tweaking crates.io crate silkgen 0.4.0
[INFO] tweaked toml for crates.io crate silkgen 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate silkgen 0.4.0 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 silkgen 0.4.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-macro-impl v1.2.0
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded anstyle v1.0.4
[INFO] [stderr]   Downloaded fixed-macro-types v1.2.0
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded anstyle-parse v0.2.2
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded similar v2.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded uuid v1.4.1
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.1
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded anstream v0.6.4
[INFO] [stderr]   Downloaded fixed v1.24.0
[INFO] [stderr]   Downloaded clap_derive v4.4.2
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded fixed-macro v1.2.0
[INFO] [stderr]   Downloaded insta v1.34.0
[INFO] [stderr]   Downloaded libc v0.2.149
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53535ba973ed1fa6215c83de9e37629588db7418766534e2900d37bd0f4bb6a9
[INFO] running `Command { std: "docker" "start" "-a" "53535ba973ed1fa6215c83de9e37629588db7418766534e2900d37bd0f4bb6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53535ba973ed1fa6215c83de9e37629588db7418766534e2900d37bd0f4bb6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53535ba973ed1fa6215c83de9e37629588db7418766534e2900d37bd0f4bb6a9", kill_on_drop: false }`
[INFO] [stdout] 53535ba973ed1fa6215c83de9e37629588db7418766534e2900d37bd0f4bb6a9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9888867ce6813f146eae4c57d737f43df8c1ba055fc11cd6bd1aa22948ad057
[INFO] running `Command { std: "docker" "start" "-a" "a9888867ce6813f146eae4c57d737f43df8c1ba055fc11cd6bd1aa22948ad057", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling fixed v1.24.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling similar v2.3.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling insta v1.34.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling clap v4.4.6
[INFO] [stderr]    Compiling fixed-macro-impl v1.2.0
[INFO] [stderr]    Compiling fixed-macro-types v1.2.0
[INFO] [stderr]    Compiling fixed-macro v1.2.0
[INFO] [stderr]    Compiling silkgen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.47s
[INFO] running `Command { std: "docker" "inspect" "a9888867ce6813f146eae4c57d737f43df8c1ba055fc11cd6bd1aa22948ad057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9888867ce6813f146eae4c57d737f43df8c1ba055fc11cd6bd1aa22948ad057", kill_on_drop: false }`
[INFO] [stdout] a9888867ce6813f146eae4c57d737f43df8c1ba055fc11cd6bd1aa22948ad057
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57baee0a29907f8a30b1feee4cfe1dc05e9f8919eddb25b9f3c1ffa3e5ceb07c
[INFO] running `Command { std: "docker" "start" "-a" "57baee0a29907f8a30b1feee4cfe1dc05e9f8919eddb25b9f3c1ffa3e5ceb07c", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkgen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "57baee0a29907f8a30b1feee4cfe1dc05e9f8919eddb25b9f3c1ffa3e5ceb07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57baee0a29907f8a30b1feee4cfe1dc05e9f8919eddb25b9f3c1ffa3e5ceb07c", kill_on_drop: false }`
[INFO] [stdout] 57baee0a29907f8a30b1feee4cfe1dc05e9f8919eddb25b9f3c1ffa3e5ceb07c