[INFO] cloning repository https://github.com/watchexec/watchexec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/watchexec/watchexec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatchexec%2Fwatchexec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatchexec%2Fwatchexec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e21a3a99f6b66b8472abc55c6837eb5e66a412fa
[INFO] checking watchexec/watchexec against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatchexec%2Fwatchexec" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watchexec/watchexec on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/watchexec/watchexec
[INFO] finished tweaking git repo https://github.com/watchexec/watchexec
[INFO] tweaked toml for git repo https://github.com/watchexec/watchexec written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/watchexec/watchexec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.0.0
[INFO] [stderr]   Downloaded zvariant_derive v2.8.0
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded clearscreen v1.0.4
[INFO] [stderr]   Downloaded assert_cmd v1.0.7
[INFO] [stderr]   Downloaded zbus_macros v1.9.1
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded serde_repr v0.1.7
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded embed-resource v1.6.3
[INFO] [stderr]   Downloaded winreg v0.9.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded insta v1.7.1
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded similar v1.3.0
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded vswhom-sys v0.1.0
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded command-group v1.0.3
[INFO] [stderr]   Downloaded vswhom v0.1.0
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded zbus v1.9.1
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded zvariant v2.8.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c8cc0a38c1b448f8c887e892ce99a18551599ce78b094558d2c7565a8495a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97c8cc0a38c1b448f8c887e892ce99a18551599ce78b094558d2c7565a8495a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c8cc0a38c1b448f8c887e892ce99a18551599ce78b094558d2c7565a8495a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c8cc0a38c1b448f8c887e892ce99a18551599ce78b094558d2c7565a8495a2", kill_on_drop: false }`
[INFO] [stdout] 97c8cc0a38c1b448f8c887e892ce99a18551599ce78b094558d2c7565a8495a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa88aa87d4c67cc563459bec197c5fdfee3e90b4456ddd3798e34d83650cbb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7aa88aa87d4c67cc563459bec197c5fdfee3e90b4456ddd3798e34d83650cbb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling embed-resource v1.6.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking nb-connect v1.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling watchexec-cli v1.17.1 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking predicates v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=0d3e3a759981285c -C extra-filename=-0d3e3a759981285c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8cf43a02c2e23999.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-88879d2dc0fa106c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-48821d0d0c840d03.rmeta --cap-lints allow --cap-lints=forbid` (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" "7aa88aa87d4c67cc563459bec197c5fdfee3e90b4456ddd3798e34d83650cbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa88aa87d4c67cc563459bec197c5fdfee3e90b4456ddd3798e34d83650cbb1", kill_on_drop: false }`
[INFO] [stdout] 7aa88aa87d4c67cc563459bec197c5fdfee3e90b4456ddd3798e34d83650cbb1