[INFO] fetching crate keyring-manager 0.6.0...
[INFO] testing keyring-manager-0.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate keyring-manager 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate keyring-manager 0.6.0
[INFO] finished tweaking crates.io crate keyring-manager 0.6.0
[INFO] tweaked toml for crates.io crate keyring-manager 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate keyring-manager 0.6.0 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 keyring-manager 0.6.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2db2cb2532ac9625acbca6ccfccb3c5a038f046c8bc92c877a230e9a8c0d322d
[INFO] running `Command { std: "docker" "start" "-a" "2db2cb2532ac9625acbca6ccfccb3c5a038f046c8bc92c877a230e9a8c0d322d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db2cb2532ac9625acbca6ccfccb3c5a038f046c8bc92c877a230e9a8c0d322d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db2cb2532ac9625acbca6ccfccb3c5a038f046c8bc92c877a230e9a8c0d322d", kill_on_drop: false }`
[INFO] [stdout] 2db2cb2532ac9625acbca6ccfccb3c5a038f046c8bc92c877a230e9a8c0d322d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] addea5c801c9678bb6fde2770fc27583a1860ab235c6c8d3dfcfa034bc956401
[INFO] running `Command { std: "docker" "start" "-a" "addea5c801c9678bb6fde2770fc27583a1860ab235c6c8d3dfcfa034bc956401", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling hkdf v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling block-modes v0.8.1
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand v0.8.5
[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=517458439f8e1795 -C extra-filename=-d7d41bb6ebf4d61e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "addea5c801c9678bb6fde2770fc27583a1860ab235c6c8d3dfcfa034bc956401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addea5c801c9678bb6fde2770fc27583a1860ab235c6c8d3dfcfa034bc956401", kill_on_drop: false }`
[INFO] [stdout] addea5c801c9678bb6fde2770fc27583a1860ab235c6c8d3dfcfa034bc956401