[INFO] cloning repository https://github.com/spectresystems/duck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spectresystems/duck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspectresystems%2Fduck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspectresystems%2Fduck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b96c180ad076622d2f67df003e7ec9cce7be6885
[INFO] checking spectresystems/duck against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspectresystems%2Fduck" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spectresystems/duck on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spectresystems/duck
[INFO] finished tweaking git repo https://github.com/spectresystems/duck
[INFO] tweaked toml for git repo https://github.com/spectresystems/duck written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/spectresystems/duck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5d73a04eb110a8c954dd50a3438a54822efa6af21b48c077bcaf63c0d5d772
[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" "7c5d73a04eb110a8c954dd50a3438a54822efa6af21b48c077bcaf63c0d5d772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5d73a04eb110a8c954dd50a3438a54822efa6af21b48c077bcaf63c0d5d772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5d73a04eb110a8c954dd50a3438a54822efa6af21b48c077bcaf63c0d5d772", kill_on_drop: false }`
[INFO] [stdout] 7c5d73a04eb110a8c954dd50a3438a54822efa6af21b48c077bcaf63c0d5d772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae91d1961a20452d6b981197309eb56e080886959ad94e3a637a6c46f16c9ac8
[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" "ae91d1961a20452d6b981197309eb56e080886959ad94e3a637a6c46f16c9ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling path-slash v0.1.1
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling schemars v0.7.0-alpha-2
[INFO] [stderr]     Checking waithandle v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling test-case v0.3.3
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.2.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=834bb8580e50b5d5 -C extra-filename=-834bb8580e50b5d5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5748cfab3320b044.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-426c299f13ad632b.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-81290b644301b6f4.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" "ae91d1961a20452d6b981197309eb56e080886959ad94e3a637a6c46f16c9ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae91d1961a20452d6b981197309eb56e080886959ad94e3a637a6c46f16c9ac8", kill_on_drop: false }`
[INFO] [stdout] ae91d1961a20452d6b981197309eb56e080886959ad94e3a637a6c46f16c9ac8