[INFO] cloning repository https://github.com/outersky/r2d2-mysql
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/outersky/r2d2-mysql" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutersky%2Fr2d2-mysql", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutersky%2Fr2d2-mysql'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ff8ea10149ace97a2d703094d64853598939216
[INFO] checking outersky/r2d2-mysql against master#1be5c8f90912c446ecbdc405cbc4a89f9acd20fd for pr-93394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutersky%2Fr2d2-mysql" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/outersky/r2d2-mysql on toolchain 1be5c8f90912c446ecbdc405cbc4a89f9acd20fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/outersky/r2d2-mysql
[INFO] finished tweaking git repo https://github.com/outersky/r2d2-mysql
[INFO] tweaked toml for git repo https://github.com/outersky/r2d2-mysql written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/outersky/r2d2-mysql already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8bbe58b2099b5b224b8f1f3a9434b7618a1ace3ff1e5acb6e9da6c73dba722
[INFO] running `Command { std: "docker" "start" "-a" "bc8bbe58b2099b5b224b8f1f3a9434b7618a1ace3ff1e5acb6e9da6c73dba722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8bbe58b2099b5b224b8f1f3a9434b7618a1ace3ff1e5acb6e9da6c73dba722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8bbe58b2099b5b224b8f1f3a9434b7618a1ace3ff1e5acb6e9da6c73dba722", kill_on_drop: false }`
[INFO] [stdout] bc8bbe58b2099b5b224b8f1f3a9434b7618a1ace3ff1e5acb6e9da6c73dba722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1899c39a685bf98081177d55cae98f05f4f2fbfd0cdf9c5d874fc437aaae42d
[INFO] running `Command { std: "docker" "start" "-a" "f1899c39a685bf98081177d55cae98f05f4f2fbfd0cdf9c5d874fc437aaae42d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling frunk_core v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling mysql v21.0.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling io-enum v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.70/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 -C metadata=3242bab8364feab0 -C extra-filename=-3242bab8364feab0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1899c39a685bf98081177d55cae98f05f4f2fbfd0cdf9c5d874fc437aaae42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1899c39a685bf98081177d55cae98f05f4f2fbfd0cdf9c5d874fc437aaae42d", kill_on_drop: false }`
[INFO] [stdout] f1899c39a685bf98081177d55cae98f05f4f2fbfd0cdf9c5d874fc437aaae42d