[INFO] fetching crate btfs 0.0.4...
[INFO] checking btfs-0.0.4 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate btfs 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate btfs 0.0.4 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfs 0.0.4
[INFO] finished tweaking crates.io crate btfs 0.0.4
[INFO] tweaked toml for crates.io crate btfs 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate btfs 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9917c2b4027f682e5ee954100f3de3998611c5f5b12ea2fe1d74e0c5715ed96
[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" "e9917c2b4027f682e5ee954100f3de3998611c5f5b12ea2fe1d74e0c5715ed96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9917c2b4027f682e5ee954100f3de3998611c5f5b12ea2fe1d74e0c5715ed96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9917c2b4027f682e5ee954100f3de3998611c5f5b12ea2fe1d74e0c5715ed96", kill_on_drop: false }`
[INFO] [stdout] e9917c2b4027f682e5ee954100f3de3998611c5f5b12ea2fe1d74e0c5715ed96
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e23e890d2c14aaf9201895530adf78e52df24a0c41704690db99a559de2e78ce
[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" "e23e890d2c14aaf9201895530adf78e52df24a0c41704690db99a559de2e78ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking btfs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "e23e890d2c14aaf9201895530adf78e52df24a0c41704690db99a559de2e78ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23e890d2c14aaf9201895530adf78e52df24a0c41704690db99a559de2e78ce", kill_on_drop: false }`
[INFO] [stdout] e23e890d2c14aaf9201895530adf78e52df24a0c41704690db99a559de2e78ce