[INFO] fetching crate completion-io 0.2.0...
[INFO] checking completion-io-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate completion-io 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate completion-io 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate completion-io 0.2.0
[INFO] finished tweaking crates.io crate completion-io 0.2.0
[INFO] tweaked toml for crates.io crate completion-io 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] a65c14df6fb4fce710539dbf3db707d75d7a6a3416de106a687ff6ae52b7b53e
[INFO] running `Command { std: "docker" "start" "-a" "a65c14df6fb4fce710539dbf3db707d75d7a6a3416de106a687ff6ae52b7b53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65c14df6fb4fce710539dbf3db707d75d7a6a3416de106a687ff6ae52b7b53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65c14df6fb4fce710539dbf3db707d75d7a6a3416de106a687ff6ae52b7b53e", kill_on_drop: false }`
[INFO] [stdout] a65c14df6fb4fce710539dbf3db707d75d7a6a3416de106a687ff6ae52b7b53e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa38423d17e6c624d0f1177f47c55104ac9ac84964e1f821bc6d0610c6814a3
[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" "9fa38423d17e6c624d0f1177f47c55104ac9ac84964e1f821bc6d0610c6814a3", kill_on_drop: false }`
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking completion-core v0.2.0
[INFO] [stderr]     Checking completion-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "9fa38423d17e6c624d0f1177f47c55104ac9ac84964e1f821bc6d0610c6814a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa38423d17e6c624d0f1177f47c55104ac9ac84964e1f821bc6d0610c6814a3", kill_on_drop: false }`
[INFO] [stdout] 9fa38423d17e6c624d0f1177f47c55104ac9ac84964e1f821bc6d0610c6814a3