[INFO] fetching crate wasm-smith 0.1.5...
[INFO] checking wasm-smith-0.1.5 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate wasm-smith 0.1.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasm-smith 0.1.5 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-smith 0.1.5
[INFO] finished tweaking crates.io crate wasm-smith 0.1.5
[INFO] tweaked toml for crates.io crate wasm-smith 0.1.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate wasm-smith 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded arbitrary v0.4.6
[INFO] [stderr]   Downloaded structopt v0.3.16
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded structopt-derive v0.4.9
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80bf43a6799e0d8e6fd632cea5a088ff80b9c92ac6ab3a7ddbd82629831d0b3d
[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" "80bf43a6799e0d8e6fd632cea5a088ff80b9c92ac6ab3a7ddbd82629831d0b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80bf43a6799e0d8e6fd632cea5a088ff80b9c92ac6ab3a7ddbd82629831d0b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80bf43a6799e0d8e6fd632cea5a088ff80b9c92ac6ab3a7ddbd82629831d0b3d", kill_on_drop: false }`
[INFO] [stdout] 80bf43a6799e0d8e6fd632cea5a088ff80b9c92ac6ab3a7ddbd82629831d0b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537c87467c49f33be85dcdaf1a1b3ef42d955bea3ebb7e38781973a6f7d78f6c
[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" "537c87467c49f33be85dcdaf1a1b3ef42d955bea3ebb7e38781973a6f7d78f6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive_arbitrary v0.4.6
[INFO] [stderr]     Checking arbitrary v0.4.6
[INFO] [stderr]     Checking wasm-smith v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.66s
[INFO] running `Command { std: "docker" "inspect" "537c87467c49f33be85dcdaf1a1b3ef42d955bea3ebb7e38781973a6f7d78f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537c87467c49f33be85dcdaf1a1b3ef42d955bea3ebb7e38781973a6f7d78f6c", kill_on_drop: false }`
[INFO] [stdout] 537c87467c49f33be85dcdaf1a1b3ef42d955bea3ebb7e38781973a6f7d78f6c