[INFO] crate ttk91 0.1.0-alpha.1 is already in cache
[INFO] checking ttk91-0.1.0-alpha.1 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate ttk91 0.1.0-alpha.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ttk91 0.1.0-alpha.1 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ttk91 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate ttk91 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate ttk91 0.1.0-alpha.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ttk91 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 348689d6d1ef2d67af443274f36b95cfd56b57762f5c3a3f56ad9a5d03e8e19a
[INFO] running `"docker" "start" "-a" "348689d6d1ef2d67af443274f36b95cfd56b57762f5c3a3f56ad9a5d03e8e19a"`
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking nom v5.0.1
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]     Checking ttk91 v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/symbolic/program.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RelocationKind`
[INFO] [stderr]  --> src/compiler.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         RelocationKind,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/compiler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]   --> src/compiler.rs:16:39
[INFO] [stderr]    |
[INFO] [stderr] 16 | use slog::{o, Logger, Discard, trace, debug};
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::symbolic::parser::parse_symbolic_file`
[INFO] [stderr]    --> src/compiler.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |     use crate::symbolic::parser::parse_symbolic_file;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/emulator.rs:943:1
[INFO] [stderr]     |
[INFO] [stderr] 943 | / macro_rules! assert_register {
[INFO] [stderr] 944 | |     ($emulator:expr, $register:expr, $value:expr) => {
[INFO] [stderr] 945 | |         assert_eq!($emulator.context.r[$register], $value, "Register {} != {}", $register, $value);
[INFO] [stderr] 946 | |     };
[INFO] [stderr] 947 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/emulator.rs:949:1
[INFO] [stderr]     |
[INFO] [stderr] 949 | / macro_rules! assert_symbol {
[INFO] [stderr] 950 | |     ($emulator:expr, $program:expr, $symbol:expr, $value:expr) => {
[INFO] [stderr] 951 | |         let addr = $program.symbol_table.get($symbol)
[INFO] [stderr] 952 | |             .expect("no such symbol");
[INFO] [stderr] ...   |
[INFO] [stderr] 956 | |     };
[INFO] [stderr] 957 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/symbolic/program.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RelocationKind`
[INFO] [stderr]  --> src/compiler.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         RelocationKind,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/compiler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]   --> src/compiler.rs:16:39
[INFO] [stderr]    |
[INFO] [stderr] 16 | use slog::{o, Logger, Discard, trace, debug};
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/instruction.rs:394:17
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let mut res = self.opcode.as_byte();
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instruction.rs:394:13
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let mut res = self.opcode.as_byte();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/instruction.rs:394:17
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let mut res = self.opcode.as_byte();
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/emulator.rs:1045:9
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     let mut memory = BalloonMemory::new(program.clone());
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instruction.rs:394:13
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let mut res = self.opcode.as_byte();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/emulator.rs:857:5
[INFO] [stderr]     |
[INFO] [stderr] 857 |     fn new(size: u16, stack: u16) -> FixedMemory {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/emulator.rs:864:5
[INFO] [stderr]     |
[INFO] [stderr] 864 |     fn load(&mut self, program: crate::bytecode::Program) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_usize`
[INFO] [stderr]   --> src/bytecode/parser.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn parse_usize(s: &str) -> std::result::Result<usize, std::num::ParseIntError> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_u32`
[INFO] [stderr]   --> src/bytecode/parser.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_u32(s: &str) -> std::result::Result<u32, std::num::ParseIntError> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_digit`
[INFO] [stderr]   --> src/bytecode/parser.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn is_digit(c: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_i32`
[INFO] [stderr]    --> src/bytecode/parser.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn take_i32(input: Span) -> Result<u32> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jump_instruction`
[INFO] [stderr]    --> src/symbolic/parser.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn jump_instruction(input: Span) -> Result<OpCode> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_usize`
[INFO] [stderr]   --> src/bytecode/parser.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn parse_usize(s: &str) -> std::result::Result<usize, std::num::ParseIntError> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_u32`
[INFO] [stderr]   --> src/bytecode/parser.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_u32(s: &str) -> std::result::Result<u32, std::num::ParseIntError> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_digit`
[INFO] [stderr]   --> src/bytecode/parser.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn is_digit(c: char) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `take_i32`
[INFO] [stderr]    --> src/bytecode/parser.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn take_i32(input: Span) -> Result<u32> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jump_instruction`
[INFO] [stderr]    --> src/symbolic/parser.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn jump_instruction(input: Span) -> Result<OpCode> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Instruction`, `Mode`, `OpCode`, `Register`, `StdIo`
[INFO] [stderr]  --> tests/sum.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 |     emulator::{Emulator, StdIo, TestIo, Memory},
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 4 |     instruction::{Mode, OpCode, Register, Instruction},
[INFO] [stderr]   |                   ^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Instruction`, `Mode`, `OpCode`, `Register`, `StdIo`
[INFO] [stderr]  --> tests/hello.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 |     emulator::{Emulator, StdIo, Memory},
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 4 |     symbolic,
[INFO] [stderr] 5 |     instruction::{Mode, OpCode, Register, Instruction},
[INFO] [stderr]   |                   ^^^^  ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `"docker" "inspect" "348689d6d1ef2d67af443274f36b95cfd56b57762f5c3a3f56ad9a5d03e8e19a"`
[INFO] running `"docker" "rm" "-f" "348689d6d1ef2d67af443274f36b95cfd56b57762f5c3a3f56ad9a5d03e8e19a"`
[INFO] [stdout] 348689d6d1ef2d67af443274f36b95cfd56b57762f5c3a3f56ad9a5d03e8e19a