[INFO] cloning repository https://github.com/dimitarvp/rust-async-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dimitarvp/rust-async-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimitarvp%2Frust-async-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimitarvp%2Frust-async-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd769e0945ea620282c0c163ea4109a07e7b95e1
[INFO] checking dimitarvp/rust-async-examples/cd769e0945ea620282c0c163ea4109a07e7b95e1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimitarvp%2Frust-async-examples" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dimitarvp/rust-async-examples on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dimitarvp/rust-async-examples
[INFO] finished tweaking git repo https://github.com/dimitarvp/rust-async-examples
[INFO] tweaked toml for git repo https://github.com/dimitarvp/rust-async-examples written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dimitarvp/rust-async-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757cef033196235fc4d8bd336b3b96f20b711c123dbc5125a89c762e247adbe0
[INFO] running `Command { std: "docker" "start" "-a" "757cef033196235fc4d8bd336b3b96f20b711c123dbc5125a89c762e247adbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757cef033196235fc4d8bd336b3b96f20b711c123dbc5125a89c762e247adbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757cef033196235fc4d8bd336b3b96f20b711c123dbc5125a89c762e247adbe0", kill_on_drop: false }`
[INFO] [stdout] 757cef033196235fc4d8bd336b3b96f20b711c123dbc5125a89c762e247adbe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7729802f9a348d41571b80904a66fc98e1b2910637cd264078d4a746b8d31853
[INFO] running `Command { std: "docker" "start" "-a" "7729802f9a348d41571b80904a66fc98e1b2910637cd264078d4a746b8d31853", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.24
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[INFO] [stderr]    Compiling futures-task v0.3.24
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[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
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[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.24
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[INFO] [stderr]     Checking tokio-stream v0.1.10
[INFO] [stderr]     Checking async-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.94s
[INFO] running `Command { std: "docker" "inspect" "7729802f9a348d41571b80904a66fc98e1b2910637cd264078d4a746b8d31853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7729802f9a348d41571b80904a66fc98e1b2910637cd264078d4a746b8d31853", kill_on_drop: false }`
[INFO] [stdout] 7729802f9a348d41571b80904a66fc98e1b2910637cd264078d4a746b8d31853