[INFO] fetching crate cardinal_backend 0.1.1...
[INFO] testing cardinal_backend-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cardinal_backend 0.1.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate cardinal_backend 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cardinal_backend 0.1.1
[INFO] finished tweaking crates.io crate cardinal_backend 0.1.1
[INFO] tweaked toml for crates.io crate cardinal_backend 0.1.1 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate cardinal_backend 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa774fc066513540c7621364ee70e11b33b32b962c7bf96ec7f3a79c5a9e9b2
[INFO] running `Command { std: "docker" "start" "-a" "afa774fc066513540c7621364ee70e11b33b32b962c7bf96ec7f3a79c5a9e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa774fc066513540c7621364ee70e11b33b32b962c7bf96ec7f3a79c5a9e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa774fc066513540c7621364ee70e11b33b32b962c7bf96ec7f3a79c5a9e9b2", kill_on_drop: false }`
[INFO] [stdout] afa774fc066513540c7621364ee70e11b33b32b962c7bf96ec7f3a79c5a9e9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e468ea7aaa76134083cf49a330adb5685304ef82c6ef0e673a2496fdfeb1d346
[INFO] running `Command { std: "docker" "start" "-a" "e468ea7aaa76134083cf49a330adb5685304ef82c6ef0e673a2496fdfeb1d346", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cardinal_backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "e468ea7aaa76134083cf49a330adb5685304ef82c6ef0e673a2496fdfeb1d346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e468ea7aaa76134083cf49a330adb5685304ef82c6ef0e673a2496fdfeb1d346", kill_on_drop: false }`
[INFO] [stdout] e468ea7aaa76134083cf49a330adb5685304ef82c6ef0e673a2496fdfeb1d346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2313e614224cdf994e629896e883b2c4528d8e70315dff3f04c4587ddc04e008
[INFO] running `Command { std: "docker" "start" "-a" "2313e614224cdf994e629896e883b2c4528d8e70315dff3f04c4587ddc04e008", kill_on_drop: false }`
[INFO] [stderr]    Compiling cardinal_backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ValueType`
[INFO] [stdout]  --> examples/function.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cardinal_backend::{ Function, FunctionBuilder, ValueType, Value };
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "2313e614224cdf994e629896e883b2c4528d8e70315dff3f04c4587ddc04e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2313e614224cdf994e629896e883b2c4528d8e70315dff3f04c4587ddc04e008", kill_on_drop: false }`
[INFO] [stdout] 2313e614224cdf994e629896e883b2c4528d8e70315dff3f04c4587ddc04e008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea91933541116b89586c54df0efc205bf7066cf08e16c29696d9046eb0b8e6bb
[INFO] running `Command { std: "docker" "start" "-a" "ea91933541116b89586c54df0efc205bf7066cf08e16c29696d9046eb0b8e6bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ValueType`
[INFO] [stderr]  --> examples/function.rs:1:52
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cardinal_backend::{ Function, FunctionBuilder, ValueType, Value };
[INFO] [stderr]   |                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cardinal_backend` (example "function") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cardinal_backend-83c0fd3a59a54b72)
[INFO] [stderr]    Doc-tests cardinal_backend
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/opcode.rs - opcode::Opcode::IntegerAdd (line 19) ... FAILED
[INFO] [stdout] test src/opcode.rs - opcode::Opcode::IntegerNegate (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/opcode.rs - opcode::Opcode::IntegerAdd (line 19) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]  --> src/opcode.rs:20:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | x = y + z
[INFO] [stdout]   | ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]  --> src/opcode.rs:20:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | x = y + z
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `z` in this scope
[INFO] [stdout]  --> src/opcode.rs:20:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | x = y + z
[INFO] [stdout]   |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/opcode.rs - opcode::Opcode::IntegerNegate (line 30) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `x` in this scope
[INFO] [stdout]  --> src/opcode.rs:31:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | x = -y
[INFO] [stdout]   | ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y` in this scope
[INFO] [stdout]  --> src/opcode.rs:31:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | x = -y
[INFO] [stdout]   |      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/opcode.rs - opcode::Opcode::IntegerAdd (line 19)
[INFO] [stdout]     src/opcode.rs - opcode::Opcode::IntegerNegate (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ea91933541116b89586c54df0efc205bf7066cf08e16c29696d9046eb0b8e6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea91933541116b89586c54df0efc205bf7066cf08e16c29696d9046eb0b8e6bb", kill_on_drop: false }`
[INFO] [stdout] ea91933541116b89586c54df0efc205bf7066cf08e16c29696d9046eb0b8e6bb