[INFO] cloning repository https://github.com/radix/circles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radix/circles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fcircles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fcircles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c60c5819dbef07816ccbeac0071f5c8e817e1ad
[INFO] testing radix/circles against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fcircles" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radix/circles on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/radix/circles
[INFO] finished tweaking git repo https://github.com/radix/circles
[INFO] tweaked toml for git repo https://github.com/radix/circles written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/radix/circles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-61/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/workspace/builds/worker-61/source/src/main.rs` was erroneously implicitly accepted for binary `main`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1168939aa023f068e81409d3cc19bf89b7efabf2749275dc83f491e2e9ec0e50
[INFO] running `Command { std: "docker" "start" "-a" "1168939aa023f068e81409d3cc19bf89b7efabf2749275dc83f491e2e9ec0e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1168939aa023f068e81409d3cc19bf89b7efabf2749275dc83f491e2e9ec0e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1168939aa023f068e81409d3cc19bf89b7efabf2749275dc83f491e2e9ec0e50", kill_on_drop: false }`
[INFO] [stdout] 1168939aa023f068e81409d3cc19bf89b7efabf2749275dc83f491e2e9ec0e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a33f6385d94b4af81e30a75dff06c40ad8ce65378ec80cbfa152ee69d1088af
[INFO] running `Command { std: "docker" "start" "-a" "9a33f6385d94b4af81e30a75dff06c40ad8ce65378ec80cbfa152ee69d1088af", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `main`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.19
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling shader_version v0.2.1
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling piston-texture v0.5.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling linked-hash-map v0.0.10
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling nodrop v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling arrayvec v0.3.20
[INFO] [stderr]    Compiling serde_json v0.8.3
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2c9ac1a87f62c12c -C extra-filename=-2c9ac1a87f62c12c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a33f6385d94b4af81e30a75dff06c40ad8ce65378ec80cbfa152ee69d1088af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a33f6385d94b4af81e30a75dff06c40ad8ce65378ec80cbfa152ee69d1088af", kill_on_drop: false }`
[INFO] [stdout] 9a33f6385d94b4af81e30a75dff06c40ad8ce65378ec80cbfa152ee69d1088af