[INFO] fetching crate stream-unconsume 0.3.1...
[INFO] checking stream-unconsume-0.3.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate stream-unconsume 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate stream-unconsume 0.3.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stream-unconsume 0.3.1
[INFO] finished tweaking crates.io crate stream-unconsume 0.3.1
[INFO] tweaked toml for crates.io crate stream-unconsume 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 197e6b6ad3b003291ea04dedda86ec4d1f277be5402462216e55089798c0527e
[INFO] running `Command { std: "docker" "start" "-a" "197e6b6ad3b003291ea04dedda86ec4d1f277be5402462216e55089798c0527e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197e6b6ad3b003291ea04dedda86ec4d1f277be5402462216e55089798c0527e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197e6b6ad3b003291ea04dedda86ec4d1f277be5402462216e55089798c0527e", kill_on_drop: false }`
[INFO] [stdout] 197e6b6ad3b003291ea04dedda86ec4d1f277be5402462216e55089798c0527e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c991c4d59e8b2c45f1d8bc85117a4e080eea368463dc610548457f9ae4ccf86f
[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" "c991c4d59e8b2c45f1d8bc85117a4e080eea368463dc610548457f9ae4ccf86f", kill_on_drop: false }`
[INFO] [stderr]     Checking len-trait v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]     Checking push-trait v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking stream-unconsume v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `check_lifetime_is_propagated_right`
[INFO] [stdout]    --> src/lib.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn check_lifetime_is_propagated_right() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "c991c4d59e8b2c45f1d8bc85117a4e080eea368463dc610548457f9ae4ccf86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c991c4d59e8b2c45f1d8bc85117a4e080eea368463dc610548457f9ae4ccf86f", kill_on_drop: false }`
[INFO] [stdout] c991c4d59e8b2c45f1d8bc85117a4e080eea368463dc610548457f9ae4ccf86f