[INFO] cloning repository https://github.com/galenguyer/squirrel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galenguyer/squirrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fsquirrel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fsquirrel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 020a3484106731e563ac6e4f70e980d6af8daa51
[INFO] testing galenguyer/squirrel against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalenguyer%2Fsquirrel" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galenguyer/squirrel on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galenguyer/squirrel
[INFO] finished tweaking git repo https://github.com/galenguyer/squirrel
[INFO] tweaked toml for git repo https://github.com/galenguyer/squirrel written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/galenguyer/squirrel 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bson v2.0.1
[INFO] [stderr]   Downloaded os_info v3.0.7
[INFO] [stderr]   Downloaded serde_with v1.11.0
[INFO] [stderr]   Downloaded mongodb v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d66820f495dfd21574c04d74628d0207859c53ede389de38fe028662f5b8f9a
[INFO] running `Command { std: "docker" "start" "-a" "9d66820f495dfd21574c04d74628d0207859c53ede389de38fe028662f5b8f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d66820f495dfd21574c04d74628d0207859c53ede389de38fe028662f5b8f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d66820f495dfd21574c04d74628d0207859c53ede389de38fe028662f5b8f9a", kill_on_drop: false }`
[INFO] [stdout] 9d66820f495dfd21574c04d74628d0207859c53ede389de38fe028662f5b8f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a79b96278abae293735263b5c41707771e01978fa063cedd2737c4b6aa0dd647
[INFO] running `Command { std: "docker" "start" "-a" "a79b96278abae293735263b5c41707771e01978fa063cedd2737c4b6aa0dd647", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.12.0/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="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' -C metadata=4a985f5f579e7437 -C extra-filename=-4a985f5f579e7437 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-09bd6beedf0d36f7.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-098a3c7565d0f78b.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b9ea8deacc5c872e.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-c01d3460c002bb08.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-f2bb0e06d55c70d4.so --cap-lints allow --cap-lints=forbid -Copt-level=3 --cfg tokio_track_caller` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a79b96278abae293735263b5c41707771e01978fa063cedd2737c4b6aa0dd647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79b96278abae293735263b5c41707771e01978fa063cedd2737c4b6aa0dd647", kill_on_drop: false }`
[INFO] [stdout] a79b96278abae293735263b5c41707771e01978fa063cedd2737c4b6aa0dd647