[INFO] fetching crate sputnikvm-callback 0.1.0...
[INFO] checking sputnikvm-callback-0.1.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate sputnikvm-callback 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sputnikvm-callback 0.1.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sputnikvm-callback 0.1.0
[INFO] finished tweaking crates.io crate sputnikvm-callback 0.1.0
[INFO] tweaked toml for crates.io crate sputnikvm-callback 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sputnikvm v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd1b87c618216daf12f646c864213d5b9211ddb0057f16804e73c4669ff7b747
[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" "fd1b87c618216daf12f646c864213d5b9211ddb0057f16804e73c4669ff7b747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd1b87c618216daf12f646c864213d5b9211ddb0057f16804e73c4669ff7b747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1b87c618216daf12f646c864213d5b9211ddb0057f16804e73c4669ff7b747", kill_on_drop: false }`
[INFO] [stdout] fd1b87c618216daf12f646c864213d5b9211ddb0057f16804e73c4669ff7b747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7efecd98a5440950eebd8bc0640bc0abc903c1621f4074a96fa79cb113d1f9
[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" "1f7efecd98a5440950eebd8bc0640bc0abc903c1621f4074a96fa79cb113d1f9", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking blockchain v0.2.0
[INFO] [stderr]     Checking etcommon-rlp v0.2.5
[INFO] [stderr]     Checking etcommon-bigint v0.2.10
[INFO] [stderr]     Checking etcommon-bloom v0.2.1
[INFO] [stderr]     Checking etcommon-block-core v0.1.0
[INFO] [stderr]     Checking etcommon-trie v0.3.11
[INFO] [stderr]     Checking etcommon-block v0.3.4
[INFO] [stderr]     Checking sputnikvm v0.7.8
[INFO] [stderr]     Checking sputnikvm-callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "1f7efecd98a5440950eebd8bc0640bc0abc903c1621f4074a96fa79cb113d1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7efecd98a5440950eebd8bc0640bc0abc903c1621f4074a96fa79cb113d1f9", kill_on_drop: false }`
[INFO] [stdout] 1f7efecd98a5440950eebd8bc0640bc0abc903c1621f4074a96fa79cb113d1f9