[INFO] fetching crate uu_readlink 0.0.2...
[INFO] checking uu_readlink-0.0.2 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate uu_readlink 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate uu_readlink 0.0.2 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_readlink 0.0.2
[INFO] finished tweaking crates.io crate uu_readlink 0.0.2
[INFO] tweaked toml for crates.io crate uu_readlink 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate uu_readlink 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a219ae5da401966a758c0594f2aee22255ca367e223ba2068c194865a49927f
[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" "6a219ae5da401966a758c0594f2aee22255ca367e223ba2068c194865a49927f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a219ae5da401966a758c0594f2aee22255ca367e223ba2068c194865a49927f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a219ae5da401966a758c0594f2aee22255ca367e223ba2068c194865a49927f", kill_on_drop: false }`
[INFO] [stdout] 6a219ae5da401966a758c0594f2aee22255ca367e223ba2068c194865a49927f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a116030539e74d8a453dadb04a3fa6a07e2c73623df9a0ac49992eb050b6fb
[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" "29a116030539e74d8a453dadb04a3fa6a07e2c73623df9a0ac49992eb050b6fb", kill_on_drop: false }`
[INFO] [stderr]     Checking uucore v0.0.5
[INFO] [stderr]     Checking uu_readlink v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "29a116030539e74d8a453dadb04a3fa6a07e2c73623df9a0ac49992eb050b6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a116030539e74d8a453dadb04a3fa6a07e2c73623df9a0ac49992eb050b6fb", kill_on_drop: false }`
[INFO] [stdout] 29a116030539e74d8a453dadb04a3fa6a07e2c73623df9a0ac49992eb050b6fb