[INFO] fetching crate rust-wasm-prelude 0.3.0...
[INFO] testing rust-wasm-prelude-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rust-wasm-prelude 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-wasm-prelude 0.3.0 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 rust-wasm-prelude 0.3.0
[INFO] finished tweaking crates.io crate rust-wasm-prelude 0.3.0
[INFO] tweaked toml for crates.io crate rust-wasm-prelude 0.3.0 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 3ebf902275d6d390ec6250e67210775104aebac0116f938e299bc26068c3349c
[INFO] running `Command { std: "docker" "start" "-a" "3ebf902275d6d390ec6250e67210775104aebac0116f938e299bc26068c3349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ebf902275d6d390ec6250e67210775104aebac0116f938e299bc26068c3349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebf902275d6d390ec6250e67210775104aebac0116f938e299bc26068c3349c", kill_on_drop: false }`
[INFO] [stdout] 3ebf902275d6d390ec6250e67210775104aebac0116f938e299bc26068c3349c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c633742478a91ede3d725ffcc5a42beaa5484c0a8427935ccb03d4dc79e70153
[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" "c633742478a91ede3d725ffcc5a42beaa5484c0a8427935ccb03d4dc79e70153", kill_on_drop: false }`
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling rust-wasm-prelude v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "c633742478a91ede3d725ffcc5a42beaa5484c0a8427935ccb03d4dc79e70153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c633742478a91ede3d725ffcc5a42beaa5484c0a8427935ccb03d4dc79e70153", kill_on_drop: false }`
[INFO] [stdout] c633742478a91ede3d725ffcc5a42beaa5484c0a8427935ccb03d4dc79e70153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cfddc0e70a56342e430cb08d8c187f835e624d6c5b84b4e66d12888eba1fc46
[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" "3cfddc0e70a56342e430cb08d8c187f835e624d6c5b84b4e66d12888eba1fc46", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-wasm-prelude v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3cfddc0e70a56342e430cb08d8c187f835e624d6c5b84b4e66d12888eba1fc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfddc0e70a56342e430cb08d8c187f835e624d6c5b84b4e66d12888eba1fc46", kill_on_drop: false }`
[INFO] [stdout] 3cfddc0e70a56342e430cb08d8c187f835e624d6c5b84b4e66d12888eba1fc46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 2646273b2de6566a3a9373d0157eb7ac4435cd1919278e8f03580771b6745fa4
[INFO] running `Command { std: "docker" "start" "-a" "2646273b2de6566a3a9373d0157eb7ac4435cd1919278e8f03580771b6745fa4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_wasm_prelude-0cecbab3eed4b9a7
[INFO] [stderr]    Doc-tests rust_wasm_prelude
[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] [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" "2646273b2de6566a3a9373d0157eb7ac4435cd1919278e8f03580771b6745fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2646273b2de6566a3a9373d0157eb7ac4435cd1919278e8f03580771b6745fa4", kill_on_drop: false }`
[INFO] [stdout] 2646273b2de6566a3a9373d0157eb7ac4435cd1919278e8f03580771b6745fa4