[INFO] updating cached repository https://github.com/elba/elba
[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] 20e014fba3f9bc04e80c4802f1500a808f241dda
[INFO] checking elba/elba against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felba%2Felba" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elba/elba on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/elba/elba
[INFO] finished tweaking git repo https://github.com/elba/elba
[INFO] tweaked toml for git repo https://github.com/elba/elba written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/elba/elba already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 0582846f5042cafa32ea661f9b73c5c13c4c2d9f19fbe5ab39c30f965bfa63a5
[INFO] running `"docker" "start" "-a" "0582846f5042cafa32ea661f9b73c5c13c4c2d9f19fbe5ab39c30f965bfa63a5"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.8.16
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking openssl-sys v0.9.40
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking tar v0.4.20
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking tokio-executor v0.1.8
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking openssl v0.10.16
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking tokio-timer v0.2.10
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[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking sha2 v0.7.1
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[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking strsim v0.9.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking simsearch v0.1.2
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking semver_constraints v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.9
[INFO] [stderr]     Checking elba v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 57s
[INFO] running `"docker" "inspect" "0582846f5042cafa32ea661f9b73c5c13c4c2d9f19fbe5ab39c30f965bfa63a5"`
[INFO] running `"docker" "rm" "-f" "0582846f5042cafa32ea661f9b73c5c13c4c2d9f19fbe5ab39c30f965bfa63a5"`
[INFO] [stdout] 0582846f5042cafa32ea661f9b73c5c13c4c2d9f19fbe5ab39c30f965bfa63a5