[INFO] cloning repository https://github.com/Sidharth-Singh10/rusty_backend2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sidharth-Singh10/rusty_backend2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidharth-Singh10%2Frusty_backend2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidharth-Singh10%2Frusty_backend2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9443c7df9ae81d980f2dce6e47d53f5bf27608f1
[INFO] checking Sidharth-Singh10/rusty_backend2/9443c7df9ae81d980f2dce6e47d53f5bf27608f1 against master#f2abf827c128120ed7a874d02973947968c158b8 for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidharth-Singh10%2Frusty_backend2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sidharth-Singh10/rusty_backend2 on toolchain f2abf827c128120ed7a874d02973947968c158b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2abf827c128120ed7a874d02973947968c158b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sidharth-Singh10/rusty_backend2
[INFO] finished tweaking git repo https://github.com/Sidharth-Singh10/rusty_backend2
[INFO] tweaked toml for git repo https://github.com/Sidharth-Singh10/rusty_backend2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sidharth-Singh10/rusty_backend2 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" "+f2abf827c128120ed7a874d02973947968c158b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded idna v1.0.2
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.60.12
[INFO] [stderr]   Downloaded quoted_printable v0.5.1
[INFO] [stderr]   Downloaded lettre v0.11.9
[INFO] [stderr]   Downloaded handlebars v6.1.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v1.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+f2abf827c128120ed7a874d02973947968c158b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a380b39fb5fd347ea69ebb5ba1dfc44271e443e02c4b037309215452e70adbe
[INFO] running `Command { std: "docker" "start" "-a" "8a380b39fb5fd347ea69ebb5ba1dfc44271e443e02c4b037309215452e70adbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a380b39fb5fd347ea69ebb5ba1dfc44271e443e02c4b037309215452e70adbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a380b39fb5fd347ea69ebb5ba1dfc44271e443e02c4b037309215452e70adbe", kill_on_drop: false }`
[INFO] [stdout] 8a380b39fb5fd347ea69ebb5ba1dfc44271e443e02c4b037309215452e70adbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+f2abf827c128120ed7a874d02973947968c158b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1698e9e8527e169c5179602a2afdec27482bf6dcca40584bbbe636ff9aeba2f1
[INFO] running `Command { std: "docker" "start" "-a" "1698e9e8527e169c5179602a2afdec27482bf6dcca40584bbbe636ff9aeba2f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.207
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[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling async-io v1.13.0
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[INFO] [stderr]     Checking writeable v0.5.5
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[INFO] [stderr]     Checking futures-lite v1.13.0
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[INFO] [stderr]     Checking async-executor v1.13.0
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[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking icu_properties_data v1.5.0
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[INFO] [stderr]    Compiling synstructure v0.13.1
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[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/f2abf827c128120ed7a874d02973947968c158b8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.74/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=122dd8006c2c22ea -C extra-filename=-122dd8006c2c22ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-999306cb2722a44d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-588522ccb60d1420.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1698e9e8527e169c5179602a2afdec27482bf6dcca40584bbbe636ff9aeba2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1698e9e8527e169c5179602a2afdec27482bf6dcca40584bbbe636ff9aeba2f1", kill_on_drop: false }`
[INFO] [stdout] 1698e9e8527e169c5179602a2afdec27482bf6dcca40584bbbe636ff9aeba2f1