[INFO] cloning repository https://github.com/samyak-jain/denki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samyak-jain/denki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamyak-jain%2Fdenki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamyak-jain%2Fdenki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cba566a739d93e35ff6fa7f0dc28a62b7b689284
[INFO] testing samyak-jain/denki against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamyak-jain%2Fdenki" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samyak-jain/denki on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samyak-jain/denki
[INFO] finished tweaking git repo https://github.com/samyak-jain/denki
[INFO] tweaked toml for git repo https://github.com/samyak-jain/denki written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/samyak-jain/denki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Matthias-Fauconneau/static-http-cache`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded dotenv_codegen v0.15.0
[INFO] [stderr]   Downloaded figment v0.10.5
[INFO] [stderr]   Downloaded dotenv_codegen_implementation v0.15.0
[INFO] [stderr]   Downloaded loom v0.5.0
[INFO] [stderr]   Downloaded anitomy-sys v0.1.2
[INFO] [stderr]   Downloaded tokio v1.7.0
[INFO] [stderr]   Downloaded sqlite v0.25.3
[INFO] [stderr]   Downloaded gstreamer-sys v0.9.1
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded pretty-hex v0.2.1
[INFO] [stderr]   Downloaded gstreamer v0.16.7
[INFO] [stderr]   Downloaded anitomy v0.1.2
[INFO] [stderr]   Downloaded r2d2_postgres v0.18.0
[INFO] [stderr]   Downloaded sqlite3-src v0.2.12
[INFO] [stderr]   Downloaded vcpkg v0.2.14
[INFO] [stderr]   Downloaded state v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d170c96c95a79ba0c593cd0bcaa06c084070c85d999553a23a1e58ba6db1d32
[INFO] running `Command { std: "docker" "start" "-a" "3d170c96c95a79ba0c593cd0bcaa06c084070c85d999553a23a1e58ba6db1d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d170c96c95a79ba0c593cd0bcaa06c084070c85d999553a23a1e58ba6db1d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d170c96c95a79ba0c593cd0bcaa06c084070c85d999553a23a1e58ba6db1d32", kill_on_drop: false }`
[INFO] [stdout] 3d170c96c95a79ba0c593cd0bcaa06c084070c85d999553a23a1e58ba6db1d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d20907898f187836bb4941bb5d96ba24266366cd0fd41ddf6e0f1879ccbcf4e
[INFO] running `Command { std: "docker" "start" "-a" "9d20907898f187836bb4941bb5d96ba24266366cd0fd41ddf6e0f1879ccbcf4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling state v0.5.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling spin v0.9.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling validator_types v0.12.0
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling gstreamer v0.16.7
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tokio v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling figment v0.10.5
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
[INFO] [stderr]    Compiling anitomy-sys v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling shared_child v0.3.5
[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-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=f5e3cba4aec9e487 -C extra-filename=-f5e3cba4aec9e487 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ca47117b064b7f78.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de724f3417462047.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-fa95828b78fbac73.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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9d20907898f187836bb4941bb5d96ba24266366cd0fd41ddf6e0f1879ccbcf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d20907898f187836bb4941bb5d96ba24266366cd0fd41ddf6e0f1879ccbcf4e", kill_on_drop: false }`
[INFO] [stdout] 9d20907898f187836bb4941bb5d96ba24266366cd0fd41ddf6e0f1879ccbcf4e
