[INFO] fetching crate taur 0.1.6...
[INFO] testing taur-0.1.6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate taur 0.1.6 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate taur 0.1.6 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 taur 0.1.6
[INFO] finished tweaking crates.io crate taur 0.1.6
[INFO] tweaked toml for crates.io crate taur 0.1.6 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate taur 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 1d57fe9e2aa37113c20f8b8f6b60302a88e8c17bfc9649fb0e4da7bf817f906a
[INFO] running `Command { std: "docker" "start" "-a" "1d57fe9e2aa37113c20f8b8f6b60302a88e8c17bfc9649fb0e4da7bf817f906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d57fe9e2aa37113c20f8b8f6b60302a88e8c17bfc9649fb0e4da7bf817f906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d57fe9e2aa37113c20f8b8f6b60302a88e8c17bfc9649fb0e4da7bf817f906a", kill_on_drop: false }`
[INFO] [stdout] 1d57fe9e2aa37113c20f8b8f6b60302a88e8c17bfc9649fb0e4da7bf817f906a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] d2369da18fd79fe8595ca099a22c7be34fb1059b432767d0c8a221570e646906
[INFO] running `Command { std: "docker" "start" "-a" "d2369da18fd79fe8595ca099a22c7be34fb1059b432767d0c8a221570e646906", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=ebab5f82da8dad13 -C extra-filename=-ebab5f82da8dad13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-e2a35aae900e64a8.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-1e3b08985ccd4579.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-b10957d572414a9c.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-3bb22fb43a400e8d.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-5cf7ed896e8bb5a9.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-07385fbe5fb99a77.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" "d2369da18fd79fe8595ca099a22c7be34fb1059b432767d0c8a221570e646906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2369da18fd79fe8595ca099a22c7be34fb1059b432767d0c8a221570e646906", kill_on_drop: false }`
[INFO] [stdout] d2369da18fd79fe8595ca099a22c7be34fb1059b432767d0c8a221570e646906
