[INFO] fetching crate cargo-wasm 0.4.1...
[INFO] checking cargo-wasm-0.4.1 against beta for pr-78714
[INFO] extracting crate cargo-wasm 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-wasm 0.4.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-wasm 0.4.1
[INFO] finished tweaking crates.io crate cargo-wasm 0.4.1
[INFO] tweaked toml for crates.io crate cargo-wasm 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] a8d80677fa837894c6bf0fb5ce68fc957d832f7e9176f49c8cbfead50ae4f4fa
[INFO] running `Command { std: "docker" "start" "-a" "a8d80677fa837894c6bf0fb5ce68fc957d832f7e9176f49c8cbfead50ae4f4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d80677fa837894c6bf0fb5ce68fc957d832f7e9176f49c8cbfead50ae4f4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d80677fa837894c6bf0fb5ce68fc957d832f7e9176f49c8cbfead50ae4f4fa", kill_on_drop: false }`
[INFO] [stdout] a8d80677fa837894c6bf0fb5ce68fc957d832f7e9176f49c8cbfead50ae4f4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 802faad0688756027f11ddde10ae3c9e324a81d60e0b686246b7e6bcc2426bc1
[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" "802faad0688756027f11ddde10ae3c9e324a81d60e0b686246b7e6bcc2426bc1", kill_on_drop: false }`
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cargo-wasm v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "802faad0688756027f11ddde10ae3c9e324a81d60e0b686246b7e6bcc2426bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802faad0688756027f11ddde10ae3c9e324a81d60e0b686246b7e6bcc2426bc1", kill_on_drop: false }`
[INFO] [stdout] 802faad0688756027f11ddde10ae3c9e324a81d60e0b686246b7e6bcc2426bc1