[INFO] fetching crate wrangler 1.21.0...
[INFO] building wrangler-1.21.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate wrangler 1.21.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate wrangler 1.21.0
[INFO] finished tweaking crates.io crate wrangler 1.21.0
[INFO] tweaked toml for crates.io crate wrangler 1.21.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrangler 1.21.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wrangler 1.21.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6fb8f3788955e21547671dd0ce5c31af4171c068417e8b3e5a47f9ee94b49a
[INFO] running `Command { std: "docker" "start" "-a" "fd6fb8f3788955e21547671dd0ce5c31af4171c068417e8b3e5a47f9ee94b49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6fb8f3788955e21547671dd0ce5c31af4171c068417e8b3e5a47f9ee94b49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6fb8f3788955e21547671dd0ce5c31af4171c068417e8b3e5a47f9ee94b49a", kill_on_drop: false }`
[INFO] [stdout] fd6fb8f3788955e21547671dd0ce5c31af4171c068417e8b3e5a47f9ee94b49a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d9744f2d284cd9452fea2a554e24fa182e8991e36537c8092c1f093f0d1add
[INFO] running `Command { std: "docker" "start" "-a" "09d9744f2d284cd9452fea2a554e24fa182e8991e36537c8092c1f093f0d1add", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling object v0.28.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.53+curl-7.82.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling rustls-pemfile v1.0.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling rustls-pemfile v0.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.9.8
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.91/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"' --cfg 'feature="visit-mut"' --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=3a725fb0796c28f5 -C extra-filename=-7a650457c147b335 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b9d3af9107ba92f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-56d961eafc4a4dab.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-9a308e948d49b175.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" "09d9744f2d284cd9452fea2a554e24fa182e8991e36537c8092c1f093f0d1add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d9744f2d284cd9452fea2a554e24fa182e8991e36537c8092c1f093f0d1add", kill_on_drop: false }`
[INFO] [stdout] 09d9744f2d284cd9452fea2a554e24fa182e8991e36537c8092c1f093f0d1add
