[INFO] cloning repository https://github.com/rappet/lookout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rappet/lookout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Flookout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Flookout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6dcd19783326c0be0227e42e06f4e8724320853
[INFO] checking rappet/lookout against master#e3c43e64eceb00e13b1932229aa9b2d774e6af96 for pr-95953
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Flookout" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rappet/lookout on toolchain e3c43e64eceb00e13b1932229aa9b2d774e6af96
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rappet/lookout
[INFO] finished tweaking git repo https://github.com/rappet/lookout
[INFO] tweaked toml for git repo https://github.com/rappet/lookout written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rappet/lookout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "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 v_htmlescape v0.4.5
[INFO] [stderr]   Downloaded v_escape v0.7.4
[INFO] [stderr]   Downloaded unic-common v0.7.0
[INFO] [stderr]   Downloaded v_escape_derive v0.5.6
[INFO] [stderr]   Downloaded tera v0.11.20
[INFO] [stderr]   Downloaded unic-segment v0.7.0
[INFO] [stderr]   Downloaded actix-web v1.0.8
[INFO] [stderr]   Downloaded actix-http v0.2.10
[INFO] [stderr]   Downloaded actix-rt v0.2.5
[INFO] [stderr]   Downloaded unic-char-range v0.7.0
[INFO] [stderr]   Downloaded actix-testing v0.1.0
[INFO] [stderr]   Downloaded arc-swap v0.4.3
[INFO] [stderr]   Downloaded signal-hook v0.1.10
[INFO] [stderr]   Downloaded unic-char-property v0.7.0
[INFO] [stderr]   Downloaded actix-files v0.1.4
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.2
[INFO] [stderr]   Downloaded unic-ucd-segment v0.7.0
[INFO] [stderr]   Downloaded awc v0.2.7
[INFO] [stderr]   Downloaded signal-hook-registry v1.1.1
[INFO] [stderr]   Downloaded actix-server v0.6.1
[INFO] [stderr]   Downloaded actix-utils v0.4.5
[INFO] [stderr]   Downloaded unic-ucd-version v0.7.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1610a0f44fb83d78f090e33a8fb6a9922e6eb8510693598683c7d76e3c6f6aae
[INFO] running `Command { std: "docker" "start" "-a" "1610a0f44fb83d78f090e33a8fb6a9922e6eb8510693598683c7d76e3c6f6aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1610a0f44fb83d78f090e33a8fb6a9922e6eb8510693598683c7d76e3c6f6aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1610a0f44fb83d78f090e33a8fb6a9922e6eb8510693598683c7d76e3c6f6aae", kill_on_drop: false }`
[INFO] [stdout] 1610a0f44fb83d78f090e33a8fb6a9922e6eb8510693598683c7d76e3c6f6aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9109f19cf4a2d38998f52f413efc81641866d69912a886e2586f459f68606ce5
[INFO] running `Command { std: "docker" "start" "-a" "9109f19cf4a2d38998f52f413efc81641866d69912a886e2586f459f68606ce5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[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-0.6.12/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="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=16d8be9382be4868 -C extra-filename=-16d8be9382be4868 --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 `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.29/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="use_std"' --cfg 'feature="with-deprecated"' -C metadata=5d1e0d8fbfc49916 -C extra-filename=-5d1e0d8fbfc49916 --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 `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-1.0.45/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=688f1cd6855b2389 -C extra-filename=-688f1cd6855b2389 --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-0.6.12/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="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=4055627397d2cec7 -C extra-filename=-4055627397d2cec7 --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" "9109f19cf4a2d38998f52f413efc81641866d69912a886e2586f459f68606ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9109f19cf4a2d38998f52f413efc81641866d69912a886e2586f459f68606ce5", kill_on_drop: false }`
[INFO] [stdout] 9109f19cf4a2d38998f52f413efc81641866d69912a886e2586f459f68606ce5