[INFO] fetching crate cruncher 0.2.1...
[INFO] testing cruncher-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate cruncher 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cruncher 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7ea94fd0e545e1078df6ab7b4c0b3f3e38042576bcf4ed8ce151fe893e2c88
[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" "7c7ea94fd0e545e1078df6ab7b4c0b3f3e38042576bcf4ed8ce151fe893e2c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7ea94fd0e545e1078df6ab7b4c0b3f3e38042576bcf4ed8ce151fe893e2c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7ea94fd0e545e1078df6ab7b4c0b3f3e38042576bcf4ed8ce151fe893e2c88", kill_on_drop: false }`
[INFO] [stdout] 7c7ea94fd0e545e1078df6ab7b4c0b3f3e38042576bcf4ed8ce151fe893e2c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34ab50dc555ccdae9d1b7a2b41b97a8de2383948267200f47bee650b00f561b
[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" "e34ab50dc555ccdae9d1b7a2b41b97a8de2383948267200f47bee650b00f561b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling errno v0.2.6
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]    Compiling cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]    Compiling cranelift-native v0.56.0
[INFO] [stderr]    Compiling cranelift-module v0.56.0
[INFO] [stderr]    Compiling cranelift-frontend v0.56.0
[INFO] [stderr]    Compiling cranelift-simplejit v0.56.0
[INFO] [stderr]    Compiling cranelift v0.56.0
[INFO] [stderr]    Compiling 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "e34ab50dc555ccdae9d1b7a2b41b97a8de2383948267200f47bee650b00f561b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34ab50dc555ccdae9d1b7a2b41b97a8de2383948267200f47bee650b00f561b", kill_on_drop: false }`
[INFO] [stdout] e34ab50dc555ccdae9d1b7a2b41b97a8de2383948267200f47bee650b00f561b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c6e3c31d185892adbe95c741bb4f43346dd87b4a44a606cd82533ed5589246b
[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" "9c6e3c31d185892adbe95c741bb4f43346dd87b4a44a606cd82533ed5589246b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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: 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: 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 test [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "9c6e3c31d185892adbe95c741bb4f43346dd87b4a44a606cd82533ed5589246b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6e3c31d185892adbe95c741bb4f43346dd87b4a44a606cd82533ed5589246b", kill_on_drop: false }`
[INFO] [stdout] 9c6e3c31d185892adbe95c741bb4f43346dd87b4a44a606cd82533ed5589246b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 430034c118afbff15e53f4618a1e2d9fd841e43fcbebbf06b09d8b81e62734e3
[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" "430034c118afbff15e53f4618a1e2d9fd841e43fcbebbf06b09d8b81e62734e3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stmts`
[INFO] [stderr]    --> src/jit.rs:447:5
[INFO] [stderr]     |
[INFO] [stderr] 447 |     stmts: &Ast,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `translate_global_data_addr`
[INFO] [stderr]    --> src/jit.rs:430:8
[INFO] [stderr]     |
[INFO] [stderr] 430 |     fn translate_global_data_addr(&mut self, name: String) -> Value {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/expr.rs:172:35
[INFO] [stderr]     |
[INFO] [stderr] 172 |             result.err().unwrap().description(),
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/expr.rs:177:35
[INFO] [stderr]     |
[INFO] [stderr] 177 |             result.err().unwrap().description(),
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stmts`
[INFO] [stderr]    --> src/jit.rs:447:5
[INFO] [stderr]     |
[INFO] [stderr] 447 |     stmts: &Ast,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `translate_global_data_addr`
[INFO] [stderr]    --> src/jit.rs:430:8
[INFO] [stderr]     |
[INFO] [stderr] 430 |     fn translate_global_data_addr(&mut self, name: String) -> Value {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cruncher-a724be6b9c127aa8
[INFO] [stdout] test expr::tests::eval ... ok
[INFO] [stdout] test lexer::tests::idents ... ok
[INFO] [stdout] test expr::tests::parse ... ok
[INFO] [stdout] test lexer::tests::values ... ok
[INFO] [stdout] test ast::tests::optimize ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test jit::tests::bench ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cruncher
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lexer.rs - lexer::is_variable (line 12) ... ok
[INFO] [stdout] test src/expr.rs - expr::eval (line 13) ... ok
[INFO] [stdout] test src/expr.rs - expr::Expr::parse (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/expr.rs - expr::Expr::eval (line 73) ... ok
[INFO] [stdout] test src/expr.rs - expr::Expr (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "430034c118afbff15e53f4618a1e2d9fd841e43fcbebbf06b09d8b81e62734e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430034c118afbff15e53f4618a1e2d9fd841e43fcbebbf06b09d8b81e62734e3", kill_on_drop: false }`
[INFO] [stdout] 430034c118afbff15e53f4618a1e2d9fd841e43fcbebbf06b09d8b81e62734e3