[INFO] cloning repository https://github.com/zhuangxxx/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhuangxxx/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6761690c0e116e52833d9180c7ed684662e062
[INFO] checking zhuangxxx/rust_exercises against 1.94.0 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhuangxxx%2Frust_exercises" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhuangxxx/rust_exercises
[INFO] finished tweaking git repo https://github.com/zhuangxxx/rust_exercises
[INFO] tweaked toml for git repo https://github.com/zhuangxxx/rust_exercises written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhuangxxx/rust_exercises on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhuangxxx/rust_exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded bytemuck_derive v1.4.1
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded zbus_names v2.5.0
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded accesskit_macos v0.5.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.1
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.6
[INFO] [stderr]   Downloaded async-recursion v1.0.4
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded polling v2.6.0
[INFO] [stderr]   Downloaded accesskit v0.9.0
[INFO] [stderr]   Downloaded zvariant v3.12.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded zbus v3.11.1
[INFO] [stderr]   Downloaded atspi v0.8.7
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded egui v0.21.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded accesskit_consumer v0.13.0
[INFO] [stderr]   Downloaded accesskit_windows v0.12.0
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded egui_glow v0.21.0
[INFO] [stderr]   Downloaded glutin v0.30.7
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded winit v0.28.3
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded serde_repr v0.1.12
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded zbus_macros v3.11.1
[INFO] [stderr]   Downloaded arboard v3.2.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded webbrowser v0.8.8
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded zvariant_derive v3.12.0
[INFO] [stderr]   Downloaded accesskit_winit v0.10.0
[INFO] [stderr]   Downloaded emath v0.21.0
[INFO] [stderr]   Downloaded accesskit_unix v0.2.0
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded windows-implement v0.42.0
[INFO] [stderr]   Downloaded ws v0.9.2
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded epaint v0.21.0
[INFO] [stderr]   Downloaded uds_windows v1.0.2
[INFO] [stderr]   Downloaded enumflags2 v0.7.6
[INFO] [stderr]   Downloaded egui-winit v0.21.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded eframe v0.21.3
[INFO] [stderr]   Downloaded zvariant_utils v1.0.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.4.0
[INFO] [stderr]   Downloaded atspi-macros v0.1.4
[INFO] [stderr]   Downloaded atomic_refcell v0.1.9
[INFO] [stderr]   Downloaded ecolor v0.21.0
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded orbclient v0.3.43
[INFO] [stderr]   Downloaded futures-io v0.3.28
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d456fc0e22de62fdcb11ba216e3557fb75e0e951c7850c65cfdaecc5565408a
[INFO] running `Command { std: "docker" "start" "-a" "4d456fc0e22de62fdcb11ba216e3557fb75e0e951c7850c65cfdaecc5565408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d456fc0e22de62fdcb11ba216e3557fb75e0e951c7850c65cfdaecc5565408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d456fc0e22de62fdcb11ba216e3557fb75e0e951c7850c65cfdaecc5565408a", kill_on_drop: false }`
[INFO] [stdout] 4d456fc0e22de62fdcb11ba216e3557fb75e0e951c7850c65cfdaecc5565408a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f72a1589ef2f5b4db5ee2949a13a3486aeb94fdacaa9154e994175abe7b20e
[INFO] running `Command { std: "docker" "start" "-a" "26f72a1589ef2f5b4db5ee2949a13a3486aeb94fdacaa9154e994175abe7b20e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling atomic-waker v1.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking owned_ttf_parser v0.18.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking ab_glyph v0.2.20
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking accesskit v0.9.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.94.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=d95e7198994afdbc -C extra-filename=-084a0586f97dc93f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-31ef612ad61967a0.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-e83b7fcdff5ad065.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0956db54eedf8892.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-6216a4e16843b95f.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "26f72a1589ef2f5b4db5ee2949a13a3486aeb94fdacaa9154e994175abe7b20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f72a1589ef2f5b4db5ee2949a13a3486aeb94fdacaa9154e994175abe7b20e", kill_on_drop: false }`
[INFO] [stdout] 26f72a1589ef2f5b4db5ee2949a13a3486aeb94fdacaa9154e994175abe7b20e