[INFO] fetching crate cloud_fade 0.1.7...
[INFO] testing cloud_fade-0.1.7 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate cloud_fade 0.1.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cloud_fade 0.1.7
[INFO] finished tweaking crates.io crate cloud_fade 0.1.7
[INFO] tweaked toml for crates.io crate cloud_fade 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cloud_fade 0.1.7 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 crates.io crate cloud_fade 0.1.7 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 27c340a753f4973ae0f8d9edc46da35c9f43fd69281973732ecf79dddf8e6335
[INFO] running `Command { std: "docker" "start" "-a" "27c340a753f4973ae0f8d9edc46da35c9f43fd69281973732ecf79dddf8e6335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c340a753f4973ae0f8d9edc46da35c9f43fd69281973732ecf79dddf8e6335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c340a753f4973ae0f8d9edc46da35c9f43fd69281973732ecf79dddf8e6335", kill_on_drop: false }`
[INFO] [stdout] 27c340a753f4973ae0f8d9edc46da35c9f43fd69281973732ecf79dddf8e6335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2416dc344090e7cc67387e6e57540e69e518a5b227eb819e2a962d8d96d9a658
[INFO] running `Command { std: "docker" "start" "-a" "2416dc344090e7cc67387e6e57540e69e518a5b227eb819e2a962d8d96d9a658", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ego-tree v0.6.3
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling webpki-root-certs v0.26.7
[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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=d21eca74eddbf1cd -C extra-filename=-3d4f911694f3270f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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 `serde` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.215/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="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=dfb1b718786c9dfa -C extra-filename=-9e74ffc758085321 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_core_try_from)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_float_copysign)' --check-cfg 'cfg(no_num_nonzero_signed)' --check-cfg 'cfg(no_relaxed_trait_bounds)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_systemtime_checked_add)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2416dc344090e7cc67387e6e57540e69e518a5b227eb819e2a962d8d96d9a658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2416dc344090e7cc67387e6e57540e69e518a5b227eb819e2a962d8d96d9a658", kill_on_drop: false }`
[INFO] [stdout] 2416dc344090e7cc67387e6e57540e69e518a5b227eb819e2a962d8d96d9a658