[INFO] fetching crate ego 0.3.1...
[INFO] checking ego-0.3.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ego 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ego 0.3.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ego 0.3.1
[INFO] finished tweaking crates.io crate ego 0.3.1
[INFO] tweaked toml for crates.io crate ego 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ego 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c70f1db7046b9137c5e4cc26b6c2ee3e5dd5afedaa27c73622e46e9579a2d71
[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" "7c70f1db7046b9137c5e4cc26b6c2ee3e5dd5afedaa27c73622e46e9579a2d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c70f1db7046b9137c5e4cc26b6c2ee3e5dd5afedaa27c73622e46e9579a2d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c70f1db7046b9137c5e4cc26b6c2ee3e5dd5afedaa27c73622e46e9579a2d71", kill_on_drop: false }`
[INFO] [stdout] 7c70f1db7046b9137c5e4cc26b6c2ee3e5dd5afedaa27c73622e46e9579a2d71
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d92c9445b144f970590c08ef3c0cfb5a8e9fc1bf351fe390be8c41c3a225b6
[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" "f2d92c9445b144f970590c08ef3c0cfb5a8e9fc1bf351fe390be8c41c3a225b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking acl-sys v1.2.0
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking posix-acl v0.5.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking ego v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "f2d92c9445b144f970590c08ef3c0cfb5a8e9fc1bf351fe390be8c41c3a225b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d92c9445b144f970590c08ef3c0cfb5a8e9fc1bf351fe390be8c41c3a225b6", kill_on_drop: false }`
[INFO] [stdout] f2d92c9445b144f970590c08ef3c0cfb5a8e9fc1bf351fe390be8c41c3a225b6