[INFO] fetching crate chema 0.0.9...
[INFO] checking chema-0.0.9 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate chema 0.0.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate chema 0.0.9 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chema 0.0.9
[INFO] finished tweaking crates.io crate chema 0.0.9
[INFO] tweaked toml for crates.io crate chema 0.0.9 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate chema 0.0.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4e6ebde689777c0ca598afc3602aecc921e2d1d020b670c7de4c7101e6a9f4e
[INFO] running `Command { std: "docker" "start" "-a" "d4e6ebde689777c0ca598afc3602aecc921e2d1d020b670c7de4c7101e6a9f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e6ebde689777c0ca598afc3602aecc921e2d1d020b670c7de4c7101e6a9f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e6ebde689777c0ca598afc3602aecc921e2d1d020b670c7de4c7101e6a9f4e", kill_on_drop: false }`
[INFO] [stdout] d4e6ebde689777c0ca598afc3602aecc921e2d1d020b670c7de4c7101e6a9f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92b419c8dcc04d0a827dba61e749ec3f680cce918b85ccc61e6b06c2d74efac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c92b419c8dcc04d0a827dba61e749ec3f680cce918b85ccc61e6b06c2d74efac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking chema v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `chema`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name chema --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=c7297e3cef16e336 -C extra-filename=-c7297e3cef16e336 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern combine=/opt/rustwide/target/debug/deps/libcombine-f490d8b234a326eb.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-6877ac46200252eb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ea2e64f119b07fbf.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-15073ebc06d74c6c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cc9be1f817e68ba6.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ba096a4d21b6cc34.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-a6f84d1788c4cd0f.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-2b644ab4be50984c.rmeta --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-c814548e5e4eedbb.so --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" "c92b419c8dcc04d0a827dba61e749ec3f680cce918b85ccc61e6b06c2d74efac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92b419c8dcc04d0a827dba61e749ec3f680cce918b85ccc61e6b06c2d74efac", kill_on_drop: false }`
[INFO] [stdout] c92b419c8dcc04d0a827dba61e749ec3f680cce918b85ccc61e6b06c2d74efac