[INFO] fetching crate cheval 0.1.3...
[INFO] checking cheval-0.1.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cheval 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cheval 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate cheval 0.1.3
[INFO] finished tweaking crates.io crate cheval 0.1.3
[INFO] tweaked toml for crates.io crate cheval 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cheval 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_demangle v0.3.2
[INFO] [stderr]   Downloaded wayland-cursor v0.27.0
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded css-color v0.1.1
[INFO] [stderr]   Downloaded expresso v0.2.3
[INFO] [stderr]   Downloaded hhmmss v0.1.0
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded symbolic-common v8.0.5
[INFO] [stderr]   Downloaded inferno v0.10.3
[INFO] [stderr]   Downloaded framebuffer v0.2.2
[INFO] [stderr]   Downloaded minifb v0.18.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.0.5
[INFO] [stderr]   Downloaded pprof v0.3.20
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48cf211e082163acc65f080fa39dcc546d73054b3d8f2f0cceeb151dc9567843
[INFO] running `Command { std: "docker" "start" "-a" "48cf211e082163acc65f080fa39dcc546d73054b3d8f2f0cceeb151dc9567843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cf211e082163acc65f080fa39dcc546d73054b3d8f2f0cceeb151dc9567843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cf211e082163acc65f080fa39dcc546d73054b3d8f2f0cceeb151dc9567843", kill_on_drop: false }`
[INFO] [stdout] 48cf211e082163acc65f080fa39dcc546d73054b3d8f2f0cceeb151dc9567843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f297c89024e7a60ca68796500e4b64b65273f24cd326536deb3fa2f94b538c4d
[INFO] running `Command { std: "docker" "start" "-a" "f297c89024e7a60ca68796500e4b64b65273f24cd326536deb3fa2f94b538c4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling symbolic-demangle v8.0.5
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling pprof v0.3.20
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr] error: could not compile `xml-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name xml /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.8.3/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 -C metadata=1bc3897a14780b51 -C extra-filename=-1bc3897a14780b51 --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" "f297c89024e7a60ca68796500e4b64b65273f24cd326536deb3fa2f94b538c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f297c89024e7a60ca68796500e4b64b65273f24cd326536deb3fa2f94b538c4d", kill_on_drop: false }`
[INFO] [stdout] f297c89024e7a60ca68796500e4b64b65273f24cd326536deb3fa2f94b538c4d
