[INFO] crate rgb 0.8.20 is already in cache
[INFO] checking rgb-0.8.20 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate rgb 0.8.20 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rgb 0.8.20 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb 0.8.20
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.20
[INFO] tweaked toml for crates.io crate rgb 0.8.20 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] 204acfbbb63552a2bc62c530924a4d11587d265ca2e537f7df5f1b09b9f2d492
[INFO] running `Command { std: "docker" "start" "-a" "204acfbbb63552a2bc62c530924a4d11587d265ca2e537f7df5f1b09b9f2d492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204acfbbb63552a2bc62c530924a4d11587d265ca2e537f7df5f1b09b9f2d492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204acfbbb63552a2bc62c530924a4d11587d265ca2e537f7df5f1b09b9f2d492", kill_on_drop: false }`
[INFO] [stdout] 204acfbbb63552a2bc62c530924a4d11587d265ca2e537f7df5f1b09b9f2d492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83719e47c3ebf9ebd2b19b5265cc28b94206b83c0505d6608ef12aeab1027f0f
[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" "83719e47c3ebf9ebd2b19b5265cc28b94206b83c0505d6608ef12aeab1027f0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking rgb v0.8.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "83719e47c3ebf9ebd2b19b5265cc28b94206b83c0505d6608ef12aeab1027f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83719e47c3ebf9ebd2b19b5265cc28b94206b83c0505d6608ef12aeab1027f0f", kill_on_drop: false }`
[INFO] [stdout] 83719e47c3ebf9ebd2b19b5265cc28b94206b83c0505d6608ef12aeab1027f0f