[INFO] fetching crate air-interpreter-wasm 0.2.1-stepper-version.0...
[INFO] testing air-interpreter-wasm-0.2.1-stepper-version.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate air-interpreter-wasm 0.2.1-stepper-version.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate air-interpreter-wasm 0.2.1-stepper-version.0 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 air-interpreter-wasm 0.2.1-stepper-version.0
[INFO] finished tweaking crates.io crate air-interpreter-wasm 0.2.1-stepper-version.0
[INFO] tweaked toml for crates.io crate air-interpreter-wasm 0.2.1-stepper-version.0 written to /workspace/builds/worker-8/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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2ddd9f71d6a504396f3bee57fdc25a08967bc426fb1e9433b6579787e7ea58e
[INFO] running `Command { std: "docker" "start" "-a" "e2ddd9f71d6a504396f3bee57fdc25a08967bc426fb1e9433b6579787e7ea58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ddd9f71d6a504396f3bee57fdc25a08967bc426fb1e9433b6579787e7ea58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ddd9f71d6a504396f3bee57fdc25a08967bc426fb1e9433b6579787e7ea58e", kill_on_drop: false }`
[INFO] [stdout] e2ddd9f71d6a504396f3bee57fdc25a08967bc426fb1e9433b6579787e7ea58e
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07c7ffa2a3dc389b3490f1a5d4ac3d9f86f2d8ab1fb9bbda761af251546e6f03
[INFO] running `Command { std: "docker" "start" "-a" "07c7ffa2a3dc389b3490f1a5d4ac3d9f86f2d8ab1fb9bbda761af251546e6f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling air-interpreter-wasm v0.2.1-stepper-version.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "07c7ffa2a3dc389b3490f1a5d4ac3d9f86f2d8ab1fb9bbda761af251546e6f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c7ffa2a3dc389b3490f1a5d4ac3d9f86f2d8ab1fb9bbda761af251546e6f03", kill_on_drop: false }`
[INFO] [stdout] 07c7ffa2a3dc389b3490f1a5d4ac3d9f86f2d8ab1fb9bbda761af251546e6f03
[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] [stdout] d48f88a810ef2fb1d9b93c92c93fea845acaab8d1ff81bbeb5b74f01c7093237
[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" "d48f88a810ef2fb1d9b93c92c93fea845acaab8d1ff81bbeb5b74f01c7093237", kill_on_drop: false }`
[INFO] [stderr]    Compiling air-interpreter-wasm v0.2.1-stepper-version.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d48f88a810ef2fb1d9b93c92c93fea845acaab8d1ff81bbeb5b74f01c7093237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48f88a810ef2fb1d9b93c92c93fea845acaab8d1ff81bbeb5b74f01c7093237", kill_on_drop: false }`
[INFO] [stdout] d48f88a810ef2fb1d9b93c92c93fea845acaab8d1ff81bbeb5b74f01c7093237
[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] f4372f87cb0a445587fe92011b5820a51878862e8725f5d59b727669a3d436af
[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" "f4372f87cb0a445587fe92011b5820a51878862e8725f5d59b727669a3d436af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/air_interpreter_wasm-c27cae9475e535df
[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] [stderr]    Doc-tests air-interpreter-wasm
[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" "f4372f87cb0a445587fe92011b5820a51878862e8725f5d59b727669a3d436af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4372f87cb0a445587fe92011b5820a51878862e8725f5d59b727669a3d436af", kill_on_drop: false }`
[INFO] [stdout] f4372f87cb0a445587fe92011b5820a51878862e8725f5d59b727669a3d436af