[INFO] updating cached repository https://github.com/samrg472/tokio_shutdown_error
[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] 3e03cf87cafe1bc108f30f82ddb34d2b20767cdf
[INFO] checking samrg472/tokio_shutdown_error against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrg472%2Ftokio_shutdown_error" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samrg472/tokio_shutdown_error on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/samrg472/tokio_shutdown_error
[INFO] finished tweaking git repo https://github.com/samrg472/tokio_shutdown_error
[INFO] tweaked toml for git repo https://github.com/samrg472/tokio_shutdown_error written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/samrg472/tokio_shutdown_error already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] d272ee994100271b876960bebcabea988119cc6c5058b234e96599c8c4215212
[INFO] running `"docker" "start" "-a" "d272ee994100271b876960bebcabea988119cc6c5058b234e96599c8c4215212"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[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 v0.1.22
[INFO] [stderr]     Checking tokio_shutdown_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `tokio::prelude::stream::MapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     stream.into_future().wait().ok().unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `tokio::prelude::stream::MapErr` in tuple element 1 that must be used
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     stream.into_future().wait().ok().unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `"docker" "inspect" "d272ee994100271b876960bebcabea988119cc6c5058b234e96599c8c4215212"`
[INFO] running `"docker" "rm" "-f" "d272ee994100271b876960bebcabea988119cc6c5058b234e96599c8c4215212"`
[INFO] [stdout] d272ee994100271b876960bebcabea988119cc6c5058b234e96599c8c4215212