[INFO] fetching crate joss 0.0.2...
[INFO] testing joss-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate joss 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate joss 0.0.2 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 joss 0.0.2
[INFO] finished tweaking crates.io crate joss 0.0.2
[INFO] tweaked toml for crates.io crate joss 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 203ab4f73a152e88fd72bac24b4d4dcbb9d7e7bcb2856eb9c0f7e9668a21246b
[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" "203ab4f73a152e88fd72bac24b4d4dcbb9d7e7bcb2856eb9c0f7e9668a21246b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203ab4f73a152e88fd72bac24b4d4dcbb9d7e7bcb2856eb9c0f7e9668a21246b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203ab4f73a152e88fd72bac24b4d4dcbb9d7e7bcb2856eb9c0f7e9668a21246b", kill_on_drop: false }`
[INFO] [stdout] 203ab4f73a152e88fd72bac24b4d4dcbb9d7e7bcb2856eb9c0f7e9668a21246b
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 828f146535ef4c0f298bfd127bc9c1842a4befcec77d5af821a5da22306b8cf8
[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" "828f146535ef4c0f298bfd127bc9c1842a4befcec77d5af821a5da22306b8cf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cstring v0.0.2
[INFO] [stderr]    Compiling joss v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "828f146535ef4c0f298bfd127bc9c1842a4befcec77d5af821a5da22306b8cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828f146535ef4c0f298bfd127bc9c1842a4befcec77d5af821a5da22306b8cf8", kill_on_drop: false }`
[INFO] [stdout] 828f146535ef4c0f298bfd127bc9c1842a4befcec77d5af821a5da22306b8cf8
[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" "+1.49.0" "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] c4df4e7a4ffa4fbe63564faf99d0e8c807a48faa6a72e9c56731bcdbc8a88668
[INFO] running `Command { std: "docker" "start" "-a" "c4df4e7a4ffa4fbe63564faf99d0e8c807a48faa6a72e9c56731bcdbc8a88668", kill_on_drop: false }`
[INFO] [stderr]    Compiling joss v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "c4df4e7a4ffa4fbe63564faf99d0e8c807a48faa6a72e9c56731bcdbc8a88668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4df4e7a4ffa4fbe63564faf99d0e8c807a48faa6a72e9c56731bcdbc8a88668", kill_on_drop: false }`
[INFO] [stdout] c4df4e7a4ffa4fbe63564faf99d0e8c807a48faa6a72e9c56731bcdbc8a88668
[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" "+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] f87e3632e2adf790122ad36b757160975c2d75853e492661025742ec2f395493
[INFO] running `Command { std: "docker" "start" "-a" "f87e3632e2adf790122ad36b757160975c2d75853e492661025742ec2f395493", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/joss-e133dcabccb7f85b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests joss
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f87e3632e2adf790122ad36b757160975c2d75853e492661025742ec2f395493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87e3632e2adf790122ad36b757160975c2d75853e492661025742ec2f395493", kill_on_drop: false }`
[INFO] [stdout] f87e3632e2adf790122ad36b757160975c2d75853e492661025742ec2f395493