[INFO] fetching crate twasm-std 0.0.0...
[INFO] testing twasm-std-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate twasm-std 0.0.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate twasm-std 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twasm-std 0.0.0
[INFO] finished tweaking crates.io crate twasm-std 0.0.0
[INFO] tweaked toml for crates.io crate twasm-std 0.0.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c6da1c4b1d019caf424cd420326934d666b34ec4b114ff9d0fb2ae9c95aa1ea
[INFO] running `Command { std: "docker" "start" "-a" "2c6da1c4b1d019caf424cd420326934d666b34ec4b114ff9d0fb2ae9c95aa1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6da1c4b1d019caf424cd420326934d666b34ec4b114ff9d0fb2ae9c95aa1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6da1c4b1d019caf424cd420326934d666b34ec4b114ff9d0fb2ae9c95aa1ea", kill_on_drop: false }`
[INFO] [stdout] 2c6da1c4b1d019caf424cd420326934d666b34ec4b114ff9d0fb2ae9c95aa1ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73fd5bd350082f5038039097165734af0d81aa562456d4d50678aebe30c8543b
[INFO] running `Command { std: "docker" "start" "-a" "73fd5bd350082f5038039097165734af0d81aa562456d4d50678aebe30c8543b", kill_on_drop: false }`
[INFO] [stderr]    Compiling twasm-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "73fd5bd350082f5038039097165734af0d81aa562456d4d50678aebe30c8543b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fd5bd350082f5038039097165734af0d81aa562456d4d50678aebe30c8543b", kill_on_drop: false }`
[INFO] [stdout] 73fd5bd350082f5038039097165734af0d81aa562456d4d50678aebe30c8543b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd4d209add6c99394ab9b59ca5e61f915879383adca7991939cb16fc1d9ee8c
[INFO] running `Command { std: "docker" "start" "-a" "2fd4d209add6c99394ab9b59ca5e61f915879383adca7991939cb16fc1d9ee8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling twasm-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "2fd4d209add6c99394ab9b59ca5e61f915879383adca7991939cb16fc1d9ee8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd4d209add6c99394ab9b59ca5e61f915879383adca7991939cb16fc1d9ee8c", kill_on_drop: false }`
[INFO] [stdout] 2fd4d209add6c99394ab9b59ca5e61f915879383adca7991939cb16fc1d9ee8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 706731b253ca1156788952f8c8ebab55e6bd804b27910eefc36df5754cf2cc5f
[INFO] running `Command { std: "docker" "start" "-a" "706731b253ca1156788952f8c8ebab55e6bd804b27910eefc36df5754cf2cc5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twasm_std-a54b5f25a419f5d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twasm-std
[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" "706731b253ca1156788952f8c8ebab55e6bd804b27910eefc36df5754cf2cc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706731b253ca1156788952f8c8ebab55e6bd804b27910eefc36df5754cf2cc5f", kill_on_drop: false }`
[INFO] [stdout] 706731b253ca1156788952f8c8ebab55e6bd804b27910eefc36df5754cf2cc5f