[INFO] cloning repository https://github.com/byw/rust_client_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/byw/rust_client_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyw%2Frust_client_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyw%2Frust_client_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3e39e9d457fe9eeded7262dfc6079c425bef3e8
[INFO] checking byw/rust_client_server against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyw%2Frust_client_server" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/byw/rust_client_server on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/byw/rust_client_server
[INFO] finished tweaking git repo https://github.com/byw/rust_client_server
[INFO] tweaked toml for git repo https://github.com/byw/rust_client_server written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/byw/rust_client_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 handlebars v0.28.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2118c64b422dab51760f61a0fdd8a3d8e3f92ae4216a8a172496490cf11fa073
[INFO] running `Command { std: "docker" "start" "-a" "2118c64b422dab51760f61a0fdd8a3d8e3f92ae4216a8a172496490cf11fa073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2118c64b422dab51760f61a0fdd8a3d8e3f92ae4216a8a172496490cf11fa073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2118c64b422dab51760f61a0fdd8a3d8e3f92ae4216a8a172496490cf11fa073", kill_on_drop: false }`
[INFO] [stdout] 2118c64b422dab51760f61a0fdd8a3d8e3f92ae4216a8a172496490cf11fa073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824c15d6e85013ab17e021387362070724b242b7efbf743d72e89acb37b97822
[INFO] running `Command { std: "docker" "start" "-a" "824c15d6e85013ab17e021387362070724b242b7efbf743d72e89acb37b97822", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking serde v1.0.38
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]    Compiling state v0.4.0
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking pear v0.0.16
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr] error: could not compile `idna`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name idna /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/idna-0.1.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=4111e202af648520 -C extra-filename=-4111e202af648520 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matches=/opt/rustwide/target/debug/deps/libmatches-b96b76348b28d598.rmeta --extern unicode_bidi=/opt/rustwide/target/debug/deps/libunicode_bidi-1991ca9310140cf3.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-ff2dacd70516a04a.rmeta --cap-lints allow --cap-lints=forbid` (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" "824c15d6e85013ab17e021387362070724b242b7efbf743d72e89acb37b97822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824c15d6e85013ab17e021387362070724b242b7efbf743d72e89acb37b97822", kill_on_drop: false }`
[INFO] [stdout] 824c15d6e85013ab17e021387362070724b242b7efbf743d72e89acb37b97822