[INFO] cloning repository https://github.com/nutspanther/rust-discord-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nutspanther/rust-discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnutspanther%2Frust-discord-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnutspanther%2Frust-discord-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c86df6368a39c24ae0a5d426673e1cec485849a1
[INFO] testing nutspanther/rust-discord-bot against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnutspanther%2Frust-discord-bot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nutspanther/rust-discord-bot on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nutspanther/rust-discord-bot
[INFO] finished tweaking git repo https://github.com/nutspanther/rust-discord-bot
[INFO] tweaked toml for git repo https://github.com/nutspanther/rust-discord-bot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nutspanther/rust-discord-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d893b3a651ac87707b09e013b4d94b34619c135e7c8aa6f9d4ed415a0347a530
[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" "d893b3a651ac87707b09e013b4d94b34619c135e7c8aa6f9d4ed415a0347a530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d893b3a651ac87707b09e013b4d94b34619c135e7c8aa6f9d4ed415a0347a530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d893b3a651ac87707b09e013b4d94b34619c135e7c8aa6f9d4ed415a0347a530", kill_on_drop: false }`
[INFO] [stdout] d893b3a651ac87707b09e013b4d94b34619c135e7c8aa6f9d4ed415a0347a530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a23587bd7b794332896d8e1a24860ec41783db43033b2a87687af0b06960b05c
[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" "a23587bd7b794332896d8e1a24860ec41783db43033b2a87687af0b06960b05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling serenity v0.7.1
[INFO] [stderr]    Compiling uwl v0.4.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling openssl-sys v0.9.51
[INFO] [stderr]    Compiling miniz_oxide v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling command_attr v0.1.5
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.18/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=91d21ad00e1863bf -C extra-filename=-91d21ad00e1863bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-a97c573982a2c312.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-368a938fcc978b1f.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" "a23587bd7b794332896d8e1a24860ec41783db43033b2a87687af0b06960b05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23587bd7b794332896d8e1a24860ec41783db43033b2a87687af0b06960b05c", kill_on_drop: false }`
[INFO] [stdout] a23587bd7b794332896d8e1a24860ec41783db43033b2a87687af0b06960b05c