[INFO] fetching crate parity-wasm-cp 0.1.6...
[INFO] checking parity-wasm-cp-0.1.6 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate parity-wasm-cp 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate parity-wasm-cp 0.1.6 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parity-wasm-cp 0.1.6
[INFO] finished tweaking crates.io crate parity-wasm-cp 0.1.6
[INFO] tweaked toml for crates.io crate parity-wasm-cp 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d01cf05a807c10e0e9e5bf0d819b2573f62236124c373c770b2f8b722e25abd
[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" "6d01cf05a807c10e0e9e5bf0d819b2573f62236124c373c770b2f8b722e25abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d01cf05a807c10e0e9e5bf0d819b2573f62236124c373c770b2f8b722e25abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d01cf05a807c10e0e9e5bf0d819b2573f62236124c373c770b2f8b722e25abd", kill_on_drop: false }`
[INFO] [stdout] 6d01cf05a807c10e0e9e5bf0d819b2573f62236124c373c770b2f8b722e25abd
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c62174accafae21eaa52dbc5dee7668fc58689c71d06c2592dc7a491c1470699
[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" "c62174accafae21eaa52dbc5dee7668fc58689c71d06c2592dc7a491c1470699", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parity-wasm-cp v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Instructions`, `serialize`
[INFO] [stdout]  --> src/elements/module.rs:6:85
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{Deserialize, Serialize, Error, Uint32, External, InitExpr, DataSegment, serialize, Instruction, Instructions};
[INFO] [stdout]   |                                                                                     ^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InitExpr`
[INFO] [stdout]   --> src/elements/section.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     InitExpr,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockType` is imported redundantly
[INFO] [stdout]     --> src/elements/ops.rs:1158:7
[INFO] [stdout]      |
[INFO] [stdout] 7    |     Uint8, VarUint32, CountedList, BlockType,
[INFO] [stdout]      |                                    --------- the item `BlockType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1158 |         use super::BlockType;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instructions`, `serialize`
[INFO] [stdout]  --> src/elements/module.rs:6:85
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{Deserialize, Serialize, Error, Uint32, External, InitExpr, DataSegment, serialize, Instruction, Instructions};
[INFO] [stdout]   |                                                                                     ^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InitExpr`
[INFO] [stdout]   --> src/elements/section.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     InitExpr,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockType` is imported redundantly
[INFO] [stdout]     --> src/elements/ops.rs:1158:7
[INFO] [stdout]      |
[INFO] [stdout] 7    |     Uint8, VarUint32, CountedList, BlockType,
[INFO] [stdout]      |                                    --------- the item `BlockType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1158 |         use super::BlockType;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "c62174accafae21eaa52dbc5dee7668fc58689c71d06c2592dc7a491c1470699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62174accafae21eaa52dbc5dee7668fc58689c71d06c2592dc7a491c1470699", kill_on_drop: false }`
[INFO] [stdout] c62174accafae21eaa52dbc5dee7668fc58689c71d06c2592dc7a491c1470699