[INFO] fetching crate loot 0.1.0...
[INFO] testing loot-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate loot 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate loot 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loot 0.1.0
[INFO] finished tweaking crates.io crate loot 0.1.0
[INFO] tweaked toml for crates.io crate loot 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate loot 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af5daa32d726472d2a8e14ed73fdece224eff4843e4cb1c7e81751de28a6a93
[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" "8af5daa32d726472d2a8e14ed73fdece224eff4843e4cb1c7e81751de28a6a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af5daa32d726472d2a8e14ed73fdece224eff4843e4cb1c7e81751de28a6a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af5daa32d726472d2a8e14ed73fdece224eff4843e4cb1c7e81751de28a6a93", kill_on_drop: false }`
[INFO] [stdout] 8af5daa32d726472d2a8e14ed73fdece224eff4843e4cb1c7e81751de28a6a93
[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" "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" "+1.49.0" "build" "--frozen" "--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] 81fbab704d74c728f11dd2e218b2992760a737767a03d0051ecaddcd1699bc47
[INFO] running `Command { std: "docker" "start" "-a" "81fbab704d74c728f11dd2e218b2992760a737767a03d0051ecaddcd1699bc47", kill_on_drop: false }`
[INFO] [stderr]    Compiling loot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "81fbab704d74c728f11dd2e218b2992760a737767a03d0051ecaddcd1699bc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fbab704d74c728f11dd2e218b2992760a737767a03d0051ecaddcd1699bc47", kill_on_drop: false }`
[INFO] [stdout] 81fbab704d74c728f11dd2e218b2992760a737767a03d0051ecaddcd1699bc47
[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" "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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c60867d667829ef75113fde8d772a76a5ef35384d5600031f52c58f9cb9268c
[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" "1c60867d667829ef75113fde8d772a76a5ef35384d5600031f52c58f9cb9268c", kill_on_drop: false }`
[INFO] [stderr]    Compiling loot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "1c60867d667829ef75113fde8d772a76a5ef35384d5600031f52c58f9cb9268c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c60867d667829ef75113fde8d772a76a5ef35384d5600031f52c58f9cb9268c", kill_on_drop: false }`
[INFO] [stdout] 1c60867d667829ef75113fde8d772a76a5ef35384d5600031f52c58f9cb9268c
[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" "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" "+1.49.0" "test" "--frozen", 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] a9482db7afcb0386d3e0f5ef2319322da7d5a6a600b22cd6147cbf6821f39445
[INFO] running `Command { std: "docker" "start" "-a" "a9482db7afcb0386d3e0f5ef2319322da7d5a6a600b22cd6147cbf6821f39445", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loot-1c382f6d0be15e26
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9482db7afcb0386d3e0f5ef2319322da7d5a6a600b22cd6147cbf6821f39445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9482db7afcb0386d3e0f5ef2319322da7d5a6a600b22cd6147cbf6821f39445", kill_on_drop: false }`
[INFO] [stdout] a9482db7afcb0386d3e0f5ef2319322da7d5a6a600b22cd6147cbf6821f39445