[INFO] cloning repository https://github.com/simonhdickson/reed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonhdickson/reed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Freed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Freed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e01805e41dedbb77d54496eb5908818b1c322713
[INFO] testing simonhdickson/reed against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Freed" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonhdickson/reed on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonhdickson/reed
[INFO] finished tweaking git repo https://github.com/simonhdickson/reed
[INFO] tweaked toml for git repo https://github.com/simonhdickson/reed written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/simonhdickson/reed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80e3af59c14be38961244213299d0f1912990a6444df505a2508b744c26710fa
[INFO] running `Command { std: "docker" "start" "-a" "80e3af59c14be38961244213299d0f1912990a6444df505a2508b744c26710fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80e3af59c14be38961244213299d0f1912990a6444df505a2508b744c26710fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e3af59c14be38961244213299d0f1912990a6444df505a2508b744c26710fa", kill_on_drop: false }`
[INFO] [stdout] 80e3af59c14be38961244213299d0f1912990a6444df505a2508b744c26710fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef6b08905e6dc5a51a18d7792ef330061c631f8991304475b6bdeaba349344b
[INFO] running `Command { std: "docker" "start" "-a" "5ef6b08905e6dc5a51a18d7792ef330061c631f8991304475b6bdeaba349344b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.3
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.3
[INFO] [stderr]    Compiling futures-io v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.9
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling rdkafka-sys v1.3.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e7b987652bd4f521 -C extra-filename=-e7b987652bd4f521 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4ae0b1bb688674b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-a34c2fc6f6dc093e.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a5a4c910217035b2.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ef6b08905e6dc5a51a18d7792ef330061c631f8991304475b6bdeaba349344b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef6b08905e6dc5a51a18d7792ef330061c631f8991304475b6bdeaba349344b", kill_on_drop: false }`
[INFO] [stdout] 5ef6b08905e6dc5a51a18d7792ef330061c631f8991304475b6bdeaba349344b