[INFO] fetching crate iref 1.4.3...
[INFO] checking iref-1.4.3 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate iref 1.4.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate iref 1.4.3 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iref 1.4.3
[INFO] finished tweaking crates.io crate iref 1.4.3
[INFO] tweaked toml for crates.io crate iref 1.4.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate iref 1.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1d78131c943102c89a1395311e7e7022f5b5ca0aa08553a5e43d42bfa682d5
[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" "9e1d78131c943102c89a1395311e7e7022f5b5ca0aa08553a5e43d42bfa682d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1d78131c943102c89a1395311e7e7022f5b5ca0aa08553a5e43d42bfa682d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1d78131c943102c89a1395311e7e7022f5b5ca0aa08553a5e43d42bfa682d5", kill_on_drop: false }`
[INFO] [stdout] 9e1d78131c943102c89a1395311e7e7022f5b5ca0aa08553a5e43d42bfa682d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd6f44ac0ae0a255133b9ab6953c3845e4d44eeb912900442f4a6302bae87f22
[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" "bd6f44ac0ae0a255133b9ab6953c3845e4d44eeb912900442f4a6302bae87f22", kill_on_drop: false }`
[INFO] [stderr]     Checking pct-str v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking iref v1.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "bd6f44ac0ae0a255133b9ab6953c3845e4d44eeb912900442f4a6302bae87f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6f44ac0ae0a255133b9ab6953c3845e4d44eeb912900442f4a6302bae87f22", kill_on_drop: false }`
[INFO] [stdout] bd6f44ac0ae0a255133b9ab6953c3845e4d44eeb912900442f4a6302bae87f22