[INFO] cloning repository https://github.com/nh8157/snowcap-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nh8157/snowcap-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnh8157%2Fsnowcap-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnh8157%2Fsnowcap-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de7f03bf209839fb2c9656853eb8b3c44426d45b
[INFO] checking nh8157/snowcap-plus against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnh8157%2Fsnowcap-plus" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/nh8157/snowcap-plus on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nh8157/snowcap-plus
[INFO] finished tweaking git repo https://github.com/nh8157/snowcap-plus
[INFO] tweaked toml for git repo https://github.com/nh8157/snowcap-plus written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/nh8157/snowcap-plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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 primal-check v0.3.1
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded etherparse v0.9.0
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded primal-sieve v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] [stderr]   Downloaded isahc v0.9.13
[INFO] [stderr]   Downloaded telnet v0.1.4
[INFO] [stderr]   Downloaded csv v1.1.4
[INFO] [stderr]   Downloaded plotly v0.6.0
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c58779c6b9cb2703373ee02d9c788ef2de5d5f04c90ed17a9a74bf5e95d6016
[INFO] running `Command { std: "docker" "start" "-a" "6c58779c6b9cb2703373ee02d9c788ef2de5d5f04c90ed17a9a74bf5e95d6016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c58779c6b9cb2703373ee02d9c788ef2de5d5f04c90ed17a9a74bf5e95d6016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c58779c6b9cb2703373ee02d9c788ef2de5d5f04c90ed17a9a74bf5e95d6016", kill_on_drop: false }`
[INFO] [stdout] 6c58779c6b9cb2703373ee02d9c788ef2de5d5f04c90ed17a9a74bf5e95d6016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1888328d82783e2103e039783f2053f5f566b5d33bb89068c649e2b0bea37ae
[INFO] running `Command { std: "docker" "start" "-a" "f1888328d82783e2103e039783f2053f5f566b5d33bb89068c649e2b0bea37ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling isahc v0.9.13
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking telnet v0.1.4
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking primal-sieve v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking sluice v0.5.3
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking http v0.2.1
[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-1.0.65/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=8cf40dcdcdcc41d5 -C extra-filename=-8cf40dcdcdcc41d5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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 `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=a0cf83a0ad9ea5b8 -C extra-filename=-a0cf83a0ad9ea5b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/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="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=a59b32f817cf8cc0 -C extra-filename=-a59b32f817cf8cc0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f1888328d82783e2103e039783f2053f5f566b5d33bb89068c649e2b0bea37ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1888328d82783e2103e039783f2053f5f566b5d33bb89068c649e2b0bea37ae", kill_on_drop: false }`
[INFO] [stdout] f1888328d82783e2103e039783f2053f5f566b5d33bb89068c649e2b0bea37ae