[INFO] cloning repository https://github.com/CjS77/tokio-async-await-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CjS77/tokio-async-await-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCjS77%2Ftokio-async-await-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCjS77%2Ftokio-async-await-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e2ab5bbbe33835d7cace7014f2b1e3cc9c27fdf
[INFO] checking CjS77/tokio-async-await-examples against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCjS77%2Ftokio-async-await-examples" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CjS77/tokio-async-await-examples on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CjS77/tokio-async-await-examples
[INFO] finished tweaking git repo https://github.com/CjS77/tokio-async-await-examples
[INFO] tweaked toml for git repo https://github.com/CjS77/tokio-async-await-examples written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CjS77/tokio-async-await-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2c5e6db12348acffa9b2f5a32e6edaefdab0cd3b06977ecd71e20dff8293573
[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" "b2c5e6db12348acffa9b2f5a32e6edaefdab0cd3b06977ecd71e20dff8293573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2c5e6db12348acffa9b2f5a32e6edaefdab0cd3b06977ecd71e20dff8293573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c5e6db12348acffa9b2f5a32e6edaefdab0cd3b06977ecd71e20dff8293573", kill_on_drop: false }`
[INFO] [stdout] b2c5e6db12348acffa9b2f5a32e6edaefdab0cd3b06977ecd71e20dff8293573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] d954f3d10b31b4ac0a5264dad628894b37068158b9d633935eb1564a1db0d212
[INFO] running `Command { std: "docker" "start" "-a" "d954f3d10b31b4ac0a5264dad628894b37068158b9d633935eb1564a1db0d212", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.4
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[INFO] [stderr]     Checking tracing v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.4
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio v0.2.0-alpha.4
[INFO] [stderr]     Checking async-await v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "d954f3d10b31b4ac0a5264dad628894b37068158b9d633935eb1564a1db0d212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d954f3d10b31b4ac0a5264dad628894b37068158b9d633935eb1564a1db0d212", kill_on_drop: false }`
[INFO] [stdout] d954f3d10b31b4ac0a5264dad628894b37068158b9d633935eb1564a1db0d212