[INFO] cloning repository https://github.com/zhiqiangxu/rs-build
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhiqiangxu/rs-build" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiqiangxu%2Frs-build", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiqiangxu%2Frs-build'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b036c2c93754bdbb33fb71fcfb6f1050d145f69b
[INFO] checking zhiqiangxu/rs-build against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiqiangxu%2Frs-build" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhiqiangxu/rs-build on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhiqiangxu/rs-build
[INFO] finished tweaking git repo https://github.com/zhiqiangxu/rs-build
[INFO] tweaked toml for git repo https://github.com/zhiqiangxu/rs-build written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zhiqiangxu/rs-build already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dbff1b89c4ab55fb3ee7738b897a5d812f73dc7fb0a3ccfae14cf898b36922d
[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" "0dbff1b89c4ab55fb3ee7738b897a5d812f73dc7fb0a3ccfae14cf898b36922d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dbff1b89c4ab55fb3ee7738b897a5d812f73dc7fb0a3ccfae14cf898b36922d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbff1b89c4ab55fb3ee7738b897a5d812f73dc7fb0a3ccfae14cf898b36922d", kill_on_drop: false }`
[INFO] [stdout] 0dbff1b89c4ab55fb3ee7738b897a5d812f73dc7fb0a3ccfae14cf898b36922d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 447e022c74505e18d4379e09deb81fa8f3bd22634d9ee169e07203fadd6aba87
[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" "447e022c74505e18d4379e09deb81fa8f3bd22634d9ee169e07203fadd6aba87", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking wasmparser v0.55.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking wasmprinter v0.2.5
[INFO] [stderr]     Checking rs-build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FuncBody`, `InitExpr`, `Instruction`
[INFO] [stdout]  --> src/build.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     External, FuncBody, FunctionType, InitExpr, Instruction, Internal, MemoryType, Module, Section,
[INFO] [stdout]   |               ^^^^^^^^                ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FuncBody`, `InitExpr`, `Instruction`
[INFO] [stdout]  --> src/build.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     External, FuncBody, FunctionType, InitExpr, Instruction, Internal, MemoryType, Module, Section,
[INFO] [stdout]   |               ^^^^^^^^                ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 10.71s
[INFO] running `Command { std: "docker" "inspect" "447e022c74505e18d4379e09deb81fa8f3bd22634d9ee169e07203fadd6aba87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447e022c74505e18d4379e09deb81fa8f3bd22634d9ee169e07203fadd6aba87", kill_on_drop: false }`
[INFO] [stdout] 447e022c74505e18d4379e09deb81fa8f3bd22634d9ee169e07203fadd6aba87