[INFO] fetching crate irc-bot 0.2.1...
[INFO] testing irc-bot-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate irc-bot 0.2.1 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate irc-bot 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irc-bot 0.2.1
[INFO] finished tweaking crates.io crate irc-bot 0.2.1
[INFO] tweaked toml for crates.io crate irc-bot 0.2.1 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e68322e389e2986258db2a961af12f9351d9b524bf86ce9ca6d8487e045d68c
[INFO] running `Command { std: "docker" "start" "-a" "0e68322e389e2986258db2a961af12f9351d9b524bf86ce9ca6d8487e045d68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e68322e389e2986258db2a961af12f9351d9b524bf86ce9ca6d8487e045d68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e68322e389e2986258db2a961af12f9351d9b524bf86ce9ca6d8487e045d68c", kill_on_drop: false }`
[INFO] [stdout] 0e68322e389e2986258db2a961af12f9351d9b524bf86ce9ca6d8487e045d68c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e6b3c263d70624282e8086a6ca9bc233575a963978b4d2b791c93d2d07a9da
[INFO] running `Command { std: "docker" "start" "-a" "91e6b3c263d70624282e8086a6ca9bc233575a963978b4d2b791c93d2d07a9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling strum v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling iter-trait v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling len-trait v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/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 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=f092d5027b43482b -C extra-filename=-f092d5027b43482b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "91e6b3c263d70624282e8086a6ca9bc233575a963978b4d2b791c93d2d07a9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e6b3c263d70624282e8086a6ca9bc233575a963978b4d2b791c93d2d07a9da", kill_on_drop: false }`
[INFO] [stdout] 91e6b3c263d70624282e8086a6ca9bc233575a963978b4d2b791c93d2d07a9da