[INFO] fetching crate cruncher 0.2.1...
[INFO] checking cruncher-0.2.1 against beta for pr-78714
[INFO] extracting crate cruncher 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cruncher 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cruncher 0.2.1
[INFO] finished tweaking crates.io crate cruncher 0.2.1
[INFO] tweaked toml for crates.io crate cruncher 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20fa636a709f1b9bb3da20e9a2e64c259583799234b093d212a0b23cb0398998
[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" "20fa636a709f1b9bb3da20e9a2e64c259583799234b093d212a0b23cb0398998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20fa636a709f1b9bb3da20e9a2e64c259583799234b093d212a0b23cb0398998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fa636a709f1b9bb3da20e9a2e64c259583799234b093d212a0b23cb0398998", kill_on_drop: false }`
[INFO] [stdout] 20fa636a709f1b9bb3da20e9a2e64c259583799234b093d212a0b23cb0398998
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce86d27cc0d19f623a70cf5e0c02ad5d38e974547fc1e6379b29627b3a48b956
[INFO] running `Command { std: "docker" "start" "-a" "ce86d27cc0d19f623a70cf5e0c02ad5d38e974547fc1e6379b29627b3a48b956", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]     Checking cranelift-module v0.56.0
[INFO] [stderr]     Checking cranelift-native v0.56.0
[INFO] [stderr]     Checking cranelift-frontend v0.56.0
[INFO] [stderr]     Checking cranelift-simplejit v0.56.0
[INFO] [stderr]     Checking cranelift v0.56.0
[INFO] [stderr]     Checking cruncher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]    --> src/jit.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 |     stmts: &Ast,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/expr.rs:172:35
[INFO] [stdout]     |
[INFO] [stdout] 172 |             result.err().unwrap().description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/expr.rs:177:35
[INFO] [stdout]     |
[INFO] [stdout] 177 |             result.err().unwrap().description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_global_data_addr`
[INFO] [stdout]    --> src/jit.rs:430:8
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn translate_global_data_addr(&mut self, name: String) -> Value {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]    --> src/jit.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 |     stmts: &Ast,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate_global_data_addr`
[INFO] [stdout]    --> src/jit.rs:430:8
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn translate_global_data_addr(&mut self, name: String) -> Value {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.71s
[INFO] running `Command { std: "docker" "inspect" "ce86d27cc0d19f623a70cf5e0c02ad5d38e974547fc1e6379b29627b3a48b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce86d27cc0d19f623a70cf5e0c02ad5d38e974547fc1e6379b29627b3a48b956", kill_on_drop: false }`
[INFO] [stdout] ce86d27cc0d19f623a70cf5e0c02ad5d38e974547fc1e6379b29627b3a48b956