[INFO] cloning repository https://github.com/samrg472/tokio_shutdown_error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samrg472/tokio_shutdown_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrg472%2Ftokio_shutdown_error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrg472%2Ftokio_shutdown_error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e03cf87cafe1bc108f30f82ddb34d2b20767cdf
[INFO] checking samrg472/tokio_shutdown_error against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrg472%2Ftokio_shutdown_error" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samrg472/tokio_shutdown_error on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-signal v0.2.9
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 0b03f07ad3c25e9efa6ed5f8dffb5b716e7f49c8d00463735bc6ad7db14f62d2
[INFO] running `Command { std: "docker" "start" "-a" "0b03f07ad3c25e9efa6ed5f8dffb5b716e7f49c8d00463735bc6ad7db14f62d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b03f07ad3c25e9efa6ed5f8dffb5b716e7f49c8d00463735bc6ad7db14f62d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b03f07ad3c25e9efa6ed5f8dffb5b716e7f49c8d00463735bc6ad7db14f62d2", kill_on_drop: false }`
[INFO] [stdout] 0b03f07ad3c25e9efa6ed5f8dffb5b716e7f49c8d00463735bc6ad7db14f62d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3007bde98f46a909e65b5fc0fe248de20358527266b5c6332e8774dd5b1099
[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" "1d3007bde98f46a909e65b5fc0fe248de20358527266b5c6332e8774dd5b1099", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio_shutdown_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `tokio::prelude::stream::MapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     stream.into_future().wait().ok().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio::prelude::stream::MapErr` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     stream.into_future().wait().ok().unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "1d3007bde98f46a909e65b5fc0fe248de20358527266b5c6332e8774dd5b1099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3007bde98f46a909e65b5fc0fe248de20358527266b5c6332e8774dd5b1099", kill_on_drop: false }`
[INFO] [stdout] 1d3007bde98f46a909e65b5fc0fe248de20358527266b5c6332e8774dd5b1099