[INFO] cloning repository https://github.com/emoon/modland_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emoon/modland_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femoon%2Fmodland_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femoon%2Fmodland_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 330ebcddc4ea7ffe166ee36d1baeaaa06f515ade
[INFO] testing emoon/modland_hash against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femoon%2Fmodland_hash" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emoon/modland_hash on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emoon/modland_hash
[INFO] finished tweaking git repo https://github.com/emoon/modland_hash
[INFO] tweaked toml for git repo https://github.com/emoon/modland_hash written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/emoon/modland_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.Build
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v2.1.0
[INFO] [stderr]   Downloaded indicatif v0.17.0-rc.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 232636c54488deeb06430897ad3dcc8afd6e7c1720c5a4bd9064a304c6cf578f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "232636c54488deeb06430897ad3dcc8afd6e7c1720c5a4bd9064a304c6cf578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232636c54488deeb06430897ad3dcc8afd6e7c1720c5a4bd9064a304c6cf578f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232636c54488deeb06430897ad3dcc8afd6e7c1720c5a4bd9064a304c6cf578f", kill_on_drop: false }`
[INFO] [stdout] 232636c54488deeb06430897ad3dcc8afd6e7c1720c5a4bd9064a304c6cf578f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95840e413441be7da1f67344a64b6c7395841f7bac7324c28506f360c4127203
[INFO] running `Command { std: "docker" "start" "-a" "95840e413441be7da1f67344a64b6c7395841f7bac7324c28506f360c4127203", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.Build
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling indicatif v0.17.0-rc.9
[INFO] [stderr]    Compiling simple_logger v2.1.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling modland_hash v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.89/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=0f75175f9da9d3fa -C extra-filename=-0f75175f9da9d3fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d0e4c723ecad0f39.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7971c432cde1980f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "95840e413441be7da1f67344a64b6c7395841f7bac7324c28506f360c4127203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95840e413441be7da1f67344a64b6c7395841f7bac7324c28506f360c4127203", kill_on_drop: false }`
[INFO] [stdout] 95840e413441be7da1f67344a64b6c7395841f7bac7324c28506f360c4127203