[INFO] fetching crate cargo-watch 7.5.0...
[INFO] checking cargo-watch-7.5.0 against beta for pr-78714
[INFO] extracting crate cargo-watch 7.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-watch 7.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-watch 7.5.0
[INFO] finished tweaking crates.io crate cargo-watch 7.5.0
[INFO] tweaked toml for crates.io crate cargo-watch 7.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cargo-watch 7.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e6358fc65e1216224257eadc364edbeaed225b395ea54b04ca7ab995c4c949e
[INFO] running `Command { std: "docker" "start" "-a" "0e6358fc65e1216224257eadc364edbeaed225b395ea54b04ca7ab995c4c949e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e6358fc65e1216224257eadc364edbeaed225b395ea54b04ca7ab995c4c949e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6358fc65e1216224257eadc364edbeaed225b395ea54b04ca7ab995c4c949e", kill_on_drop: false }`
[INFO] [stdout] 0e6358fc65e1216224257eadc364edbeaed225b395ea54b04ca7ab995c4c949e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c7d59418bd56c9855d86d358b997995107e3f4325104333b9b353c87be0f94d
[INFO] running `Command { std: "docker" "start" "-a" "9c7d59418bd56c9855d86d358b997995107e3f4325104333b9b353c87be0f94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking watchexec v1.14.0
[INFO] [stderr]     Checking cargo-watch v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking insta v0.16.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "9c7d59418bd56c9855d86d358b997995107e3f4325104333b9b353c87be0f94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7d59418bd56c9855d86d358b997995107e3f4325104333b9b353c87be0f94d", kill_on_drop: false }`
[INFO] [stdout] 9c7d59418bd56c9855d86d358b997995107e3f4325104333b9b353c87be0f94d