[INFO] cloning repository https://github.com/girazoki/wasmtime-try
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/girazoki/wasmtime-try" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirazoki%2Fwasmtime-try", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirazoki%2Fwasmtime-try'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6d0a30bc6e353facb492c978706872416d52399
[INFO] building girazoki/wasmtime-try against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirazoki%2Fwasmtime-try" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/girazoki/wasmtime-try
[INFO] finished tweaking git repo https://github.com/girazoki/wasmtime-try
[INFO] tweaked toml for git repo https://github.com/girazoki/wasmtime-try written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/girazoki/wasmtime-try on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/girazoki/wasmtime-try already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]  Downgrading cranelift-bforest v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-codegen v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-codegen-meta v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-codegen-shared v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-entity v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-frontend v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-native v0.78.0 -> v0.77.0
[INFO] [stderr]  Downgrading cranelift-wasm v0.78.0 -> v0.77.0
[INFO] [stderr]       Adding object v0.26.2
[INFO] [stderr]  Downgrading regalloc v0.0.32 -> v0.0.31
[INFO] [stderr]  Downgrading wasmparser v0.81.0 -> v0.80.2
[INFO] [stderr]  Downgrading wasmtime v0.31.0 -> v0.30.0 (available: v37.0.1)
[INFO] [stderr]  Downgrading wasmtime-cache v0.31.0 -> v0.30.0
[INFO] [stderr]  Downgrading wasmtime-cranelift v0.31.0 -> v0.30.0
[INFO] [stderr]  Downgrading wasmtime-environ v0.31.0 -> v0.30.0
[INFO] [stderr]  Downgrading wasmtime-jit v0.31.0 -> v0.30.0
[INFO] [stderr]  Downgrading wasmtime-runtime v0.31.0 -> v0.30.0
[INFO] [stderr]  Downgrading wasmtime-types v0.31.0 -> v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 802fdf2c2ba9419776046fe02ac6e9b601005b3aecf4338f9869459eadb7a4bd
[INFO] running `Command { std: "docker" "start" "-a" "802fdf2c2ba9419776046fe02ac6e9b601005b3aecf4338f9869459eadb7a4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802fdf2c2ba9419776046fe02ac6e9b601005b3aecf4338f9869459eadb7a4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802fdf2c2ba9419776046fe02ac6e9b601005b3aecf4338f9869459eadb7a4bd", kill_on_drop: false }`
[INFO] [stdout] 802fdf2c2ba9419776046fe02ac6e9b601005b3aecf4338f9869459eadb7a4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d49460409377f1bf741d2a06f48dbc13c122c13bc99cbd7536ad45ac44d4656c
[INFO] running `Command { std: "docker" "start" "-a" "d49460409377f1bf741d2a06f48dbc13c122c13bc99cbd7536ad45ac44d4656c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling wasmtime-runtime v0.30.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling wasmtime-cache v0.30.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling wasmtime v0.30.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling cranelift-bforest v0.77.0
[INFO] [stderr]    Compiling wasmtime-types v0.30.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling wasmtime-environ v0.30.0
[INFO] [stderr]    Compiling cranelift-codegen v0.77.0
[INFO] [stderr]    Compiling wasmtime-jit v0.30.0
[INFO] [stderr]    Compiling cranelift-frontend v0.77.0
[INFO] [stderr]    Compiling cranelift-native v0.77.0
[INFO] [stderr]    Compiling cranelift-wasm v0.77.0
[INFO] [stderr]    Compiling wasmtime-cranelift v0.30.0
[INFO] [stderr]    Compiling zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]    Compiling wasmtime-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let module = Module::from_file(&engine, &file_name)?;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     load("./moonbase_runtime_slow.wasm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = load("./moonbase_runtime_slow.wasm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     load("./moonbase_fast_runtime.wasm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = load("./moonbase_fast_runtime.wasm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "d49460409377f1bf741d2a06f48dbc13c122c13bc99cbd7536ad45ac44d4656c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49460409377f1bf741d2a06f48dbc13c122c13bc99cbd7536ad45ac44d4656c", kill_on_drop: false }`
[INFO] [stdout] d49460409377f1bf741d2a06f48dbc13c122c13bc99cbd7536ad45ac44d4656c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97958868a6167a3a64c3b76be53640ad8e9f426ba41257491b7b051381e3a35c
[INFO] running `Command { std: "docker" "start" "-a" "97958868a6167a3a64c3b76be53640ad8e9f426ba41257491b7b051381e3a35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmtime-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let module = Module::from_file(&engine, &file_name)?;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     load("./moonbase_runtime_slow.wasm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = load("./moonbase_runtime_slow.wasm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     load("./moonbase_fast_runtime.wasm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = load("./moonbase_fast_runtime.wasm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "97958868a6167a3a64c3b76be53640ad8e9f426ba41257491b7b051381e3a35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97958868a6167a3a64c3b76be53640ad8e9f426ba41257491b7b051381e3a35c", kill_on_drop: false }`
[INFO] [stdout] 97958868a6167a3a64c3b76be53640ad8e9f426ba41257491b7b051381e3a35c
