[INFO] cloning repository https://github.com/erickloeckner/read-sensor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erickloeckner/read-sensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferickloeckner%2Fread-sensor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferickloeckner%2Fread-sensor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 088d15fb2e0bf35a66f76ea978ffdf9ab706a780
[INFO] building erickloeckner/read-sensor against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferickloeckner%2Fread-sensor" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erickloeckner/read-sensor on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erickloeckner/read-sensor
[INFO] finished tweaking git repo https://github.com/erickloeckner/read-sensor
[INFO] tweaked toml for git repo https://github.com/erickloeckner/read-sensor written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/erickloeckner/read-sensor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded futures-io v0.3.6
[INFO] [stderr]   Downloaded futures-task v0.3.6
[INFO] [stderr]   Downloaded futures-sink v0.3.6
[INFO] [stderr]   Downloaded futures-core v0.3.6
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.58
[INFO] [stderr]   Downloaded openssl v0.10.30
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded tracing v0.1.21
[INFO] [stderr]   Downloaded net2 v0.2.35
[INFO] [stderr]   Downloaded futures-util v0.3.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded futures-channel v0.3.6
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded reqwest v0.10.8
[INFO] [stderr]   Downloaded hyper v0.13.8
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f6cf058539ab8f1eaabf89ddfe372efd15b39ce3c7012c49ebc739215fb25cf
[INFO] running `Command { std: "docker" "start" "-a" "2f6cf058539ab8f1eaabf89ddfe372efd15b39ce3c7012c49ebc739215fb25cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6cf058539ab8f1eaabf89ddfe372efd15b39ce3c7012c49ebc739215fb25cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6cf058539ab8f1eaabf89ddfe372efd15b39ce3c7012c49ebc739215fb25cf", kill_on_drop: false }`
[INFO] [stdout] 2f6cf058539ab8f1eaabf89ddfe372efd15b39ce3c7012c49ebc739215fb25cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8875f040a1e5ee175bc34764046cd7f1a92e321a5ab6ff880d9d67821816e182
[INFO] running `Command { std: "docker" "start" "-a" "8875f040a1e5ee175bc34764046cd7f1a92e321a5ab6ff880d9d67821816e182", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.46/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=3009208de99cca19 -C extra-filename=-3009208de99cca19 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-89254f8a188bc205.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0bb1ea6a23b530f1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.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" "8875f040a1e5ee175bc34764046cd7f1a92e321a5ab6ff880d9d67821816e182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8875f040a1e5ee175bc34764046cd7f1a92e321a5ab6ff880d9d67821816e182", kill_on_drop: false }`
[INFO] [stdout] 8875f040a1e5ee175bc34764046cd7f1a92e321a5ab6ff880d9d67821816e182