[INFO] fetching crate nonblock-logger 0.1.6...
[INFO] checking nonblock-logger-0.1.6 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate nonblock-logger 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nonblock-logger 0.1.6 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nonblock-logger 0.1.6
[INFO] finished tweaking crates.io crate nonblock-logger 0.1.6
[INFO] tweaked toml for crates.io crate nonblock-logger 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate nonblock-logger 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8b9daa879573f9bc2c59c93536c4a47aed0f1b7c3e035c0eec8e9be23a6f54
[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" "4b8b9daa879573f9bc2c59c93536c4a47aed0f1b7c3e035c0eec8e9be23a6f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8b9daa879573f9bc2c59c93536c4a47aed0f1b7c3e035c0eec8e9be23a6f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8b9daa879573f9bc2c59c93536c4a47aed0f1b7c3e035c0eec8e9be23a6f54", kill_on_drop: false }`
[INFO] [stdout] 4b8b9daa879573f9bc2c59c93536c4a47aed0f1b7c3e035c0eec8e9be23a6f54
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f6cf52fb4d3f0b98f5774a0a089dff1739b7397902bd647c968b3b165282cb2
[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" "5f6cf52fb4d3f0b98f5774a0a089dff1739b7397902bd647c968b3b165282cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nonblock-logger v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "5f6cf52fb4d3f0b98f5774a0a089dff1739b7397902bd647c968b3b165282cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6cf52fb4d3f0b98f5774a0a089dff1739b7397902bd647c968b3b165282cb2", kill_on_drop: false }`
[INFO] [stdout] 5f6cf52fb4d3f0b98f5774a0a089dff1739b7397902bd647c968b3b165282cb2