[INFO] updating cached repository https://github.com/sile/dg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ba3f6e789448c0c02fd7b8d4dbcdb3faf74603a
[INFO] checking sile/dg against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdg" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sile/dg on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sile/dg
[INFO] finished tweaking git repo https://github.com/sile/dg
[INFO] tweaked toml for git repo https://github.com/sile/dg written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/dg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d56d2f16e60b79cefb57c9ef62e2e583210cd116aa9702bca3bf0f37f7b73133
[INFO] running `"docker" "start" "-a" "d56d2f16e60b79cefb57c9ef62e2e583210cd116aa9702bca3bf0f37f7b73133"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking trackable v0.2.17
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking nbchan v0.1.2
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking inotify-sys v0.1.2
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking inotify v0.5.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking fibers v0.1.10
[INFO] [stderr]     Checking scalable_cuckoo_filter v0.1.2
[INFO] [stderr]     Checking fibers_inotify v0.1.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking tasque v0.1.4
[INFO] [stderr]     Checking fibers_tasque v0.1.1
[INFO] [stderr]     Checking sloggers v0.2.7
[INFO] [stderr]     Checking dg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.28s
[INFO] running `"docker" "inspect" "d56d2f16e60b79cefb57c9ef62e2e583210cd116aa9702bca3bf0f37f7b73133"`
[INFO] running `"docker" "rm" "-f" "d56d2f16e60b79cefb57c9ef62e2e583210cd116aa9702bca3bf0f37f7b73133"`
[INFO] [stdout] d56d2f16e60b79cefb57c9ef62e2e583210cd116aa9702bca3bf0f37f7b73133