[INFO] cloning repository https://github.com/alexcrichton/wasm64-timings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexcrichton/wasm64-timings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm64-timings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm64-timings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 160131c7c08102d9cccf0f69c9a938a6206fcb53
[INFO] checking alexcrichton/wasm64-timings against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fwasm64-timings" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/wasm64-timings on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexcrichton/wasm64-timings
[INFO] finished tweaking git repo https://github.com/alexcrichton/wasm64-timings
[INFO] tweaked toml for git repo https://github.com/alexcrichton/wasm64-timings written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alexcrichton/wasm64-timings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c34fc6583934da275d8488372ad18b272a7eaa133a93a0889730346d06a72655
[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" "c34fc6583934da275d8488372ad18b272a7eaa133a93a0889730346d06a72655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c34fc6583934da275d8488372ad18b272a7eaa133a93a0889730346d06a72655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34fc6583934da275d8488372ad18b272a7eaa133a93a0889730346d06a72655", kill_on_drop: false }`
[INFO] [stdout] c34fc6583934da275d8488372ad18b272a7eaa133a93a0889730346d06a72655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168f79f4a61a1cb71e7a50b370a1ded8efbc6620b4c304f697d712a3b13813c2
[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" "168f79f4a61a1cb71e7a50b370a1ded8efbc6620b4c304f697d712a3b13813c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking cranelift-wasm v0.78.0
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[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]     Checking zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]     Checking wasm64-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ret_ptr`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let ret_ptr = wasm_ptr.call(&mut store, wasm_obj)?;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_len`
[INFO] [stdout]    --> src/main.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let ret_len = wasm_len.call(&mut store, wasm_obj)?;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_ptr`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let ret_ptr = wasm_ptr.call(&mut store, wasm_obj)?;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ptr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_len`
[INFO] [stdout]    --> src/main.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let ret_len = wasm_len.call(&mut store, wasm_obj)?;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `Command { std: "docker" "inspect" "168f79f4a61a1cb71e7a50b370a1ded8efbc6620b4c304f697d712a3b13813c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168f79f4a61a1cb71e7a50b370a1ded8efbc6620b4c304f697d712a3b13813c2", kill_on_drop: false }`
[INFO] [stdout] 168f79f4a61a1cb71e7a50b370a1ded8efbc6620b4c304f697d712a3b13813c2