[INFO] cloning repository https://github.com/dcchut/robbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcchut/robbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b55fa43e95fe3c860061213898d6c3a0e277c1
[INFO] testing dcchut/robbot against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcchut/robbot on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcchut/robbot
[INFO] finished tweaking git repo https://github.com/dcchut/robbot
[INFO] tweaked toml for git repo https://github.com/dcchut/robbot written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/dcchut/robbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/dcchut/dcc-scryfall`
[INFO] [stderr]     Updating git repository `https://github.com/dcchut/serenity`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eabd82ac917804e3361fce08cf97db7a613072dea6479dfd5d7a26150d4873c6
[INFO] running `Command { std: "docker" "start" "-a" "eabd82ac917804e3361fce08cf97db7a613072dea6479dfd5d7a26150d4873c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabd82ac917804e3361fce08cf97db7a613072dea6479dfd5d7a26150d4873c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabd82ac917804e3361fce08cf97db7a613072dea6479dfd5d7a26150d4873c6", kill_on_drop: false }`
[INFO] [stdout] eabd82ac917804e3361fce08cf97db7a613072dea6479dfd5d7a26150d4873c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d95e0e05c4e96a8971e126b29bff1234ff38891b213297079b5de0ee202471b
[INFO] running `Command { std: "docker" "start" "-a" "8d95e0e05c4e96a8971e126b29bff1234ff38891b213297079b5de0ee202471b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling serenity v0.8.1 (https://github.com/dcchut/serenity?branch=serenity-async-await#51561dd1)
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[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=9e1c5baf5620ba83 -C extra-filename=-9e1c5baf5620ba83 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-0564acb8165b7d31.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-3b027f9af76441c8.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-49b33d255b8312c1.rmeta --cap-lints allow --cap-lints=warn` (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" "8d95e0e05c4e96a8971e126b29bff1234ff38891b213297079b5de0ee202471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d95e0e05c4e96a8971e126b29bff1234ff38891b213297079b5de0ee202471b", kill_on_drop: false }`
[INFO] [stdout] 8d95e0e05c4e96a8971e126b29bff1234ff38891b213297079b5de0ee202471b