[INFO] cloning repository https://github.com/zeljic/try-async-await
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeljic/try-async-await" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeljic%2Ftry-async-await"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeljic%2Ftry-async-await'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdb1a2efe9b9d8da5ac18017c2e26adbbadc1e2c
[INFO] checking zeljic/try-async-await against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeljic%2Ftry-async-await" "/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/zeljic/try-async-await on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zeljic/try-async-await
[INFO] finished tweaking git repo https://github.com/zeljic/try-async-await
[INFO] tweaked toml for git repo https://github.com/zeljic/try-async-await written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zeljic/try-async-await already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 2eefa5018a015d28c82d2a38911b0d4e4f88db0cf51db5a3655ed7ce947573d2
[INFO] running `"docker" "start" "-a" "2eefa5018a015d28c82d2a38911b0d4e4f88db0cf51db5a3655ed7ce947573d2"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
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[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking num_cpus v1.11.0
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[INFO] [stderr]    Compiling getrandom v0.1.13
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[INFO] [stderr]     Checking indexmap v1.3.0
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[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.9
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[INFO] [stderr]     Checking mio v0.6.19
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.5
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.17
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking try-async-await v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "2eefa5018a015d28c82d2a38911b0d4e4f88db0cf51db5a3655ed7ce947573d2"`
[INFO] running `"docker" "rm" "-f" "2eefa5018a015d28c82d2a38911b0d4e4f88db0cf51db5a3655ed7ce947573d2"`
[INFO] [stdout] 2eefa5018a015d28c82d2a38911b0d4e4f88db0cf51db5a3655ed7ce947573d2