[INFO] fetching crate cerberus 0.0.1...
[INFO] testing cerberus-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cerberus 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cerberus 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cerberus 0.0.1
[INFO] finished tweaking crates.io crate cerberus 0.0.1
[INFO] tweaked toml for crates.io crate cerberus 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cerberus 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d22186166b7f383d71694fe98f2a25f5cdeb568704ddd56021baebdd98bab91
[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" "4d22186166b7f383d71694fe98f2a25f5cdeb568704ddd56021baebdd98bab91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d22186166b7f383d71694fe98f2a25f5cdeb568704ddd56021baebdd98bab91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d22186166b7f383d71694fe98f2a25f5cdeb568704ddd56021baebdd98bab91", kill_on_drop: false }`
[INFO] [stdout] 4d22186166b7f383d71694fe98f2a25f5cdeb568704ddd56021baebdd98bab91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02f8d85f6b6ba934fd8e397623b16fc6314af8d9fa0bc5254718c3302ae4b1c
[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" "e02f8d85f6b6ba934fd8e397623b16fc6314af8d9fa0bc5254718c3302ae4b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cerberus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "e02f8d85f6b6ba934fd8e397623b16fc6314af8d9fa0bc5254718c3302ae4b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02f8d85f6b6ba934fd8e397623b16fc6314af8d9fa0bc5254718c3302ae4b1c", kill_on_drop: false }`
[INFO] [stdout] e02f8d85f6b6ba934fd8e397623b16fc6314af8d9fa0bc5254718c3302ae4b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 102f209a3698cfb12ea4d8d53bc0f079701e65b338291e7a157a2e848d4a1ffa
[INFO] running `Command { std: "docker" "start" "-a" "102f209a3698cfb12ea4d8d53bc0f079701e65b338291e7a157a2e848d4a1ffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cerberus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "102f209a3698cfb12ea4d8d53bc0f079701e65b338291e7a157a2e848d4a1ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102f209a3698cfb12ea4d8d53bc0f079701e65b338291e7a157a2e848d4a1ffa", kill_on_drop: false }`
[INFO] [stdout] 102f209a3698cfb12ea4d8d53bc0f079701e65b338291e7a157a2e848d4a1ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cc38f39315d1c4b1642c5f3bfdf8951ca47e9945e1a995d256a40d8488a657b
[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" "1cc38f39315d1c4b1642c5f3bfdf8951ca47e9945e1a995d256a40d8488a657b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cerberus-bb7ebde35569d909
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cc38f39315d1c4b1642c5f3bfdf8951ca47e9945e1a995d256a40d8488a657b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc38f39315d1c4b1642c5f3bfdf8951ca47e9945e1a995d256a40d8488a657b", kill_on_drop: false }`
[INFO] [stdout] 1cc38f39315d1c4b1642c5f3bfdf8951ca47e9945e1a995d256a40d8488a657b