[INFO] fetching crate embly-wrapper 0.0.2...
[INFO] checking embly-wrapper-0.0.2 against beta for pr-78714
[INFO] extracting crate embly-wrapper 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate embly-wrapper 0.0.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate embly-wrapper 0.0.2
[INFO] finished tweaking crates.io crate embly-wrapper 0.0.2
[INFO] tweaked toml for crates.io crate embly-wrapper 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate embly-wrapper 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 421f183b30b13740de59eb9b9af98c1ccb8ffd1f5a9229c8e4b3626b86f11247
[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" "421f183b30b13740de59eb9b9af98c1ccb8ffd1f5a9229c8e4b3626b86f11247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "421f183b30b13740de59eb9b9af98c1ccb8ffd1f5a9229c8e4b3626b86f11247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421f183b30b13740de59eb9b9af98c1ccb8ffd1f5a9229c8e4b3626b86f11247", kill_on_drop: false }`
[INFO] [stdout] 421f183b30b13740de59eb9b9af98c1ccb8ffd1f5a9229c8e4b3626b86f11247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 19b0a96df0d06ca5e3d551a51186948337cf5595011dd6204b7ee93a7da5457a
[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" "19b0a96df0d06ca5e3d551a51186948337cf5595011dd6204b7ee93a7da5457a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling protobuf v2.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking cranelift-entity v0.46.1
[INFO] [stderr]     Checking xfailure v0.1.0
[INFO] [stderr]    Compiling lucet-wasi v0.4.1
[INFO] [stderr]     Checking human-size v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling protoc v2.10.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling lucet-runtime-internals v0.4.1
[INFO] [stderr]    Compiling lucet-runtime v0.4.1
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking rpassword v4.0.3
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking minisign v0.5.14
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling protobuf-codegen v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling protoc-rust v2.10.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling embly-wrapper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking object v0.14.1
[INFO] [stderr]     Checking lucet-module v0.4.1
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hostcalls.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     (match rest {
[INFO] [stdout] 85 | |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 | |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 | |     } as u16)
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 |     match rest {
[INFO] [stdout] 85 |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 |     } as u16
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hostcalls.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     (match rest {
[INFO] [stdout] 85 | |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 | |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 | |     } as u16)
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 |     match rest {
[INFO] [stdout] 85 |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 |     } as u16
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hostcalls.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     (match rest {
[INFO] [stdout] 85 | |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 | |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 | |     } as u16)
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![warn(unused_import_braces, unused_parens)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 |     match rest {
[INFO] [stdout] 85 |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 |     } as u16
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hostcalls.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     (match rest {
[INFO] [stdout] 85 | |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 | |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 | |     } as u16)
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![warn(unused_import_braces, unused_parens)]
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 |     match rest {
[INFO] [stdout] 85 |         Ok(_) => host::__WASI_ESUCCESS,
[INFO] [stdout] 86 |         Err(err) => err.to_wasi_err(),
[INFO] [stdout] 87 |     } as u16
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "19b0a96df0d06ca5e3d551a51186948337cf5595011dd6204b7ee93a7da5457a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b0a96df0d06ca5e3d551a51186948337cf5595011dd6204b7ee93a7da5457a", kill_on_drop: false }`
[INFO] [stdout] 19b0a96df0d06ca5e3d551a51186948337cf5595011dd6204b7ee93a7da5457a