[INFO] fetching crate malbolge 1.0.1...
[INFO] checking malbolge-1.0.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate malbolge 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate malbolge 1.0.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malbolge 1.0.1
[INFO] finished tweaking crates.io crate malbolge 1.0.1
[INFO] tweaked toml for crates.io crate malbolge 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3181cc3766a11843f07ee79f11e6925fde793c33635b28a813f1588124cc0760
[INFO] running `Command { std: "docker" "start" "-a" "3181cc3766a11843f07ee79f11e6925fde793c33635b28a813f1588124cc0760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3181cc3766a11843f07ee79f11e6925fde793c33635b28a813f1588124cc0760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3181cc3766a11843f07ee79f11e6925fde793c33635b28a813f1588124cc0760", kill_on_drop: false }`
[INFO] [stdout] 3181cc3766a11843f07ee79f11e6925fde793c33635b28a813f1588124cc0760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807fcccf8ae3e53101ef75aa5afe77a5a0ebac88aa91e96bc988b5eb19adebec
[INFO] running `Command { std: "docker" "start" "-a" "807fcccf8ae3e53101ef75aa5afe77a5a0ebac88aa91e96bc988b5eb19adebec", kill_on_drop: false }`
[INFO] [stderr]     Checking malbolge v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `op_code` is never read
[INFO] [stdout]    --> src/vm.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut op_code = 0;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `op_code` is never read
[INFO] [stdout]    --> src/vm.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut op_code = 0;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:124:32
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         panic!(format!{"Invalid VM instruction at line: {}, op_code: {}, decrypted_op_code: {}", source_index, x, op_code});
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         panic!("Invalid VM instruction at line: {}, op_code: {}, decrypted_op_code: {}", source_index, x, op_code);
[INFO] [stdout]     |                               --                                                                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     panic!(format!{"Input file is too long!"});
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     panic!("Input file is too long!");
[INFO] [stdout]     |                           --                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p9` should have an upper case name
[INFO] [stdout]   --> src/util.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         const p9: [usize; 5] = [1, 9, 81, 729, 6561];
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `P9`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_table` should have an upper case name
[INFO] [stdout]   --> src/util.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         const o_table: [[usize; 9]; 9] = [
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `O_TABLE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:124:32
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         panic!(format!{"Invalid VM instruction at line: {}, op_code: {}, decrypted_op_code: {}", source_index, x, op_code});
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         panic!("Invalid VM instruction at line: {}, op_code: {}, decrypted_op_code: {}", source_index, x, op_code);
[INFO] [stdout]     |                               --                                                                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/vm.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     panic!(format!{"Input file is too long!"});
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     panic!("Input file is too long!");
[INFO] [stdout]     |                           --                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p9` should have an upper case name
[INFO] [stdout]   --> src/util.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         const p9: [usize; 5] = [1, 9, 81, 729, 6561];
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `P9`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_table` should have an upper case name
[INFO] [stdout]   --> src/util.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         const o_table: [[usize; 9]; 9] = [
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `O_TABLE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "807fcccf8ae3e53101ef75aa5afe77a5a0ebac88aa91e96bc988b5eb19adebec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807fcccf8ae3e53101ef75aa5afe77a5a0ebac88aa91e96bc988b5eb19adebec", kill_on_drop: false }`
[INFO] [stdout] 807fcccf8ae3e53101ef75aa5afe77a5a0ebac88aa91e96bc988b5eb19adebec