[INFO] cloning repository https://github.com/Backroomer/backroomer-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Backroomer/backroomer-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBackroomer%2Fbackroomer-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBackroomer%2Fbackroomer-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6b67ddd6fa5750b88e5b8d9362686676ddba620
[INFO] building Backroomer/backroomer-backend against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBackroomer%2Fbackroomer-backend" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Backroomer/backroomer-backend
[INFO] finished tweaking git repo https://github.com/Backroomer/backroomer-backend
[INFO] tweaked toml for git repo https://github.com/Backroomer/backroomer-backend written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Backroomer/backroomer-backend on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Backroomer/backroomer-backend 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 995497aad3aca0174b1520863333bde5cc930958562b80c87db507a71007fe7d
[INFO] running `Command { std: "docker" "start" "-a" "995497aad3aca0174b1520863333bde5cc930958562b80c87db507a71007fe7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "995497aad3aca0174b1520863333bde5cc930958562b80c87db507a71007fe7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995497aad3aca0174b1520863333bde5cc930958562b80c87db507a71007fe7d", kill_on_drop: false }`
[INFO] [stdout] 995497aad3aca0174b1520863333bde5cc930958562b80c87db507a71007fe7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79eced96e8a7bb867801ad09f22bb4fc076d580f989e8c8546000b76226d9063
[INFO] running `Command { std: "docker" "start" "-a" "79eced96e8a7bb867801ad09f22bb4fc076d580f989e8c8546000b76226d9063", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=ad06274013dfc2aa -C extra-filename=-eea85064a23a12a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea54d792119c380c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.1.13/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=9827d4d3081dfbef -C extra-filename=-be2f0a09da675f20 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shlex=/opt/rustwide/target/debug/deps/libshlex-258c8bec04b9d869.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "79eced96e8a7bb867801ad09f22bb4fc076d580f989e8c8546000b76226d9063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eced96e8a7bb867801ad09f22bb4fc076d580f989e8c8546000b76226d9063", kill_on_drop: false }`
[INFO] [stdout] 79eced96e8a7bb867801ad09f22bb4fc076d580f989e8c8546000b76226d9063