[INFO] fetching crate cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22...
[INFO] testing cargo-wasi-exe-x86_64-unknown-linux-musl-0.1.22 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22 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 cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22
[INFO] finished tweaking crates.io crate cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22
[INFO] tweaked toml for crates.io crate cargo-wasi-exe-x86_64-unknown-linux-musl 0.1.22 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] be62dd13ef5cb0c8f2e7e5a63f74b995586131f718fa595a58d41b54347e2223
[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" "be62dd13ef5cb0c8f2e7e5a63f74b995586131f718fa595a58d41b54347e2223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be62dd13ef5cb0c8f2e7e5a63f74b995586131f718fa595a58d41b54347e2223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be62dd13ef5cb0c8f2e7e5a63f74b995586131f718fa595a58d41b54347e2223", kill_on_drop: false }`
[INFO] [stdout] be62dd13ef5cb0c8f2e7e5a63f74b995586131f718fa595a58d41b54347e2223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7b451c05214630eeaf2db746da2db167c06f3eaa30ddb10782ae639c58bd4acc
[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" "7b451c05214630eeaf2db746da2db167c06f3eaa30ddb10782ae639c58bd4acc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-wasi-exe-x86_64-unknown-linux-musl v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7b451c05214630eeaf2db746da2db167c06f3eaa30ddb10782ae639c58bd4acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b451c05214630eeaf2db746da2db167c06f3eaa30ddb10782ae639c58bd4acc", kill_on_drop: false }`
[INFO] [stdout] 7b451c05214630eeaf2db746da2db167c06f3eaa30ddb10782ae639c58bd4acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 445a4b50ce6763fb0a41e9dd14a11a37dc54c0bd064c4c4922146705de0b6a50
[INFO] running `Command { std: "docker" "start" "-a" "445a4b50ce6763fb0a41e9dd14a11a37dc54c0bd064c4c4922146705de0b6a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-wasi-exe-x86_64-unknown-linux-musl v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "445a4b50ce6763fb0a41e9dd14a11a37dc54c0bd064c4c4922146705de0b6a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445a4b50ce6763fb0a41e9dd14a11a37dc54c0bd064c4c4922146705de0b6a50", kill_on_drop: false }`
[INFO] [stdout] 445a4b50ce6763fb0a41e9dd14a11a37dc54c0bd064c4c4922146705de0b6a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0186f3e14b6bc9535568300ca880c6fba51dab5a72765dd1fa539a6f99dbf3bf
[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" "0186f3e14b6bc9535568300ca880c6fba51dab5a72765dd1fa539a6f99dbf3bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_wasi_exe_x86_64_unknown_linux_musl-e0b23afc58f46b8f
[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] [stderr]    Doc-tests cargo-wasi-exe-x86_64-unknown-linux-musl
[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" "0186f3e14b6bc9535568300ca880c6fba51dab5a72765dd1fa539a6f99dbf3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0186f3e14b6bc9535568300ca880c6fba51dab5a72765dd1fa539a6f99dbf3bf", kill_on_drop: false }`
[INFO] [stdout] 0186f3e14b6bc9535568300ca880c6fba51dab5a72765dd1fa539a6f99dbf3bf