[INFO] cloning repository https://github.com/Rafi993/pomodoro_timer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rafi993/pomodoro_timer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafi993%2Fpomodoro_timer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafi993%2Fpomodoro_timer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18e6d7e325d461af5ccb0639dbd06cd249415efd
[INFO] testing Rafi993/pomodoro_timer 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%2FRafi993%2Fpomodoro_timer" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rafi993/pomodoro_timer 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/Rafi993/pomodoro_timer
[INFO] finished tweaking git repo https://github.com/Rafi993/pomodoro_timer
[INFO] tweaked toml for git repo https://github.com/Rafi993/pomodoro_timer written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/Rafi993/pomodoro_timer 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/iced-rs/winit`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 01f016954e3720f9c543348dd6a80078ad1cf4ada8942cdd4c159b3054b13a9d
[INFO] running `Command { std: "docker" "start" "-a" "01f016954e3720f9c543348dd6a80078ad1cf4ada8942cdd4c159b3054b13a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f016954e3720f9c543348dd6a80078ad1cf4ada8942cdd4c159b3054b13a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f016954e3720f9c543348dd6a80078ad1cf4ada8942cdd4c159b3054b13a9d", kill_on_drop: false }`
[INFO] [stdout] 01f016954e3720f9c543348dd6a80078ad1cf4ada8942cdd4c159b3054b13a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] af613c40f0e408f10ef03ee2ca2eefa0d511fa402528878340ddac5f719ea050
[INFO] running `Command { std: "docker" "start" "-a" "af613c40f0e408f10ef03ee2ca2eefa0d511fa402528878340ddac5f719ea050", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling drm-fourcc v2.1.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling glow v0.9.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling iced_core v0.4.0 (https://github.com/hecrj/iced?branch=master#a6dbaf0f)
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling profiling v1.0.3
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling winit v0.25.0 (https://github.com/iced-rs/winit?rev=44a9a6fc442fcfa3fa0dfc2d5a2f86fdf4aba10c#44a9a6fc)
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.9.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.27/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=136ae4d8708cf9a6 -C extra-filename=-136ae4d8708cf9a6 --out-dir /opt/rustwide/target/debug/build/proc-macro2-136ae4d8708cf9a6 -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" "af613c40f0e408f10ef03ee2ca2eefa0d511fa402528878340ddac5f719ea050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af613c40f0e408f10ef03ee2ca2eefa0d511fa402528878340ddac5f719ea050", kill_on_drop: false }`
[INFO] [stdout] af613c40f0e408f10ef03ee2ca2eefa0d511fa402528878340ddac5f719ea050