[INFO] fetching crate webrtc-media 0.0.0...
[INFO] checking webrtc-media-0.0.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate webrtc-media 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate webrtc-media 0.0.0 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 webrtc-media 0.0.0
[INFO] finished tweaking crates.io crate webrtc-media 0.0.0
[INFO] tweaked toml for crates.io crate webrtc-media 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b77aa95b397c52c4ea33e2c4415d2d1a95ca669f11bfc26f12c0a2ffdf97185
[INFO] running `Command { std: "docker" "start" "-a" "2b77aa95b397c52c4ea33e2c4415d2d1a95ca669f11bfc26f12c0a2ffdf97185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b77aa95b397c52c4ea33e2c4415d2d1a95ca669f11bfc26f12c0a2ffdf97185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b77aa95b397c52c4ea33e2c4415d2d1a95ca669f11bfc26f12c0a2ffdf97185", kill_on_drop: false }`
[INFO] [stdout] 2b77aa95b397c52c4ea33e2c4415d2d1a95ca669f11bfc26f12c0a2ffdf97185
[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] 4663e1ed69ff001de7d9115bb6f955926105c45b4b2b1305af722cf7911cdca0
[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" "4663e1ed69ff001de7d9115bb6f955926105c45b4b2b1305af722cf7911cdca0", kill_on_drop: false }`
[INFO] [stderr]     Checking webrtc-media v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "4663e1ed69ff001de7d9115bb6f955926105c45b4b2b1305af722cf7911cdca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4663e1ed69ff001de7d9115bb6f955926105c45b4b2b1305af722cf7911cdca0", kill_on_drop: false }`
[INFO] [stdout] 4663e1ed69ff001de7d9115bb6f955926105c45b4b2b1305af722cf7911cdca0