[INFO] fetching crate embly-wrapper 0.0.2...
[INFO] checking embly-wrapper-0.0.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate embly-wrapper 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate embly-wrapper 0.0.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/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-6/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81307b130edc7f3405ee713b7141b5cd97f5f7c44f8d93fa31230abb6647ac1b
[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" "81307b130edc7f3405ee713b7141b5cd97f5f7c44f8d93fa31230abb6647ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81307b130edc7f3405ee713b7141b5cd97f5f7c44f8d93fa31230abb6647ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81307b130edc7f3405ee713b7141b5cd97f5f7c44f8d93fa31230abb6647ac1b", kill_on_drop: false }`
[INFO] [stdout] 81307b130edc7f3405ee713b7141b5cd97f5f7c44f8d93fa31230abb6647ac1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] 6c94ec80833bb9b215ca6aa7bc22343b5cc4a42ab6af71b8c4e85e5f23266de4
[INFO] running `Command { std: "docker" "start" "-a" "6c94ec80833bb9b215ca6aa7bc22343b5cc4a42ab6af71b8c4e85e5f23266de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling protobuf v2.10.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cranelift-entity v0.46.1
[INFO] [stderr]     Checking xfailure v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling lucet-wasi v0.4.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking human-size v0.4.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling protoc v2.10.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking rpassword v4.0.3
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[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]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking minisign v0.5.14
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.10.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling protoc-rust v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling num-derive v0.3.0
[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 53s
[INFO] running `Command { std: "docker" "inspect" "6c94ec80833bb9b215ca6aa7bc22343b5cc4a42ab6af71b8c4e85e5f23266de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c94ec80833bb9b215ca6aa7bc22343b5cc4a42ab6af71b8c4e85e5f23266de4", kill_on_drop: false }`
[INFO] [stdout] 6c94ec80833bb9b215ca6aa7bc22343b5cc4a42ab6af71b8c4e85e5f23266de4
