[INFO] fetching crate log4rs-cases 0.2.0...
[INFO] checking log4rs-cases-0.2.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate log4rs-cases 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate log4rs-cases 0.2.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log4rs-cases 0.2.0
[INFO] finished tweaking crates.io crate log4rs-cases 0.2.0
[INFO] tweaked toml for crates.io crate log4rs-cases 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388bc6be8b004ecde8f0d73e78b391d481aacce32782170b233ff514952b7420
[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" "388bc6be8b004ecde8f0d73e78b391d481aacce32782170b233ff514952b7420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388bc6be8b004ecde8f0d73e78b391d481aacce32782170b233ff514952b7420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388bc6be8b004ecde8f0d73e78b391d481aacce32782170b233ff514952b7420", kill_on_drop: false }`
[INFO] [stdout] 388bc6be8b004ecde8f0d73e78b391d481aacce32782170b233ff514952b7420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d36d320e8b124d28f070e6d656d62d921ad959aaf9f83e0c512c1f8bb941d8d8
[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" "d36d320e8b124d28f070e6d656d62d921ad959aaf9f83e0c512c1f8bb941d8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking log4rs v0.13.0
[INFO] [stderr]     Checking log4rs-cases v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.06s
[INFO] running `Command { std: "docker" "inspect" "d36d320e8b124d28f070e6d656d62d921ad959aaf9f83e0c512c1f8bb941d8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36d320e8b124d28f070e6d656d62d921ad959aaf9f83e0c512c1f8bb941d8d8", kill_on_drop: false }`
[INFO] [stdout] d36d320e8b124d28f070e6d656d62d921ad959aaf9f83e0c512c1f8bb941d8d8