[INFO] updating cached repository TechnoCrunch/acro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TechnoCrunch/acro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TechnoCrunch/acro" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/TechnoCrunch/acro"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/TechnoCrunch/acro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TechnoCrunch/acro" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/TechnoCrunch/acro"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/TechnoCrunch/acro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d92755b30efae61f32bd33eb2f9fc26b020db037
[INFO] sha for GitHub repo TechnoCrunch/acro: d92755b30efae61f32bd33eb2f9fc26b020db037
[INFO] validating manifest of TechnoCrunch/acro on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TechnoCrunch/acro on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TechnoCrunch/acro
[INFO] finished frobbing TechnoCrunch/acro
[INFO] frobbed toml for TechnoCrunch/acro written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/TechnoCrunch/acro/Cargo.toml
[INFO] started frobbing TechnoCrunch/acro
[INFO] finished frobbing TechnoCrunch/acro
[INFO] frobbed toml for TechnoCrunch/acro written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/TechnoCrunch/acro/Cargo.toml
[INFO] crate TechnoCrunch/acro already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TechnoCrunch/acro against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/TechnoCrunch/acro:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f6a46e37c8923cc838edd1281157d0c152ab6ffbb2ea079363f5388e1dad66cd
[INFO] running `"docker" "start" "-a" "f6a46e37c8923cc838edd1281157d0c152ab6ffbb2ea079363f5388e1dad66cd"`
[INFO] [stderr]     Checking acro v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::memory`
[INFO] [stderr]  --> src/arm/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::memory;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LittleEndian`
[INFO] [stderr]  --> src/arm/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::byteorder::{ByteOrder, LittleEndian};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/arm/mod.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::byteorder::{ByteOrder, LittleEndian};
[INFO] [stderr]   |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inter`
[INFO] [stderr]   --> src/arm/mod.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn execute(&mut self, inter: &mut Interconnect, instr: Instruction) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_inter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read_u8(&self, addr: u32) -> u8 {
[INFO] [stderr]    |                           ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read_u16(&self, addr: u32) -> u16 {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn write_u8(&mut self, addr: u32) {
[INFO] [stderr]    |                                ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn write_u16(&mut self, addr: u32) {
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn write_u32(&mut self, addr: u32) {
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::memory`
[INFO] [stderr]  --> src/arm/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::memory;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LittleEndian`
[INFO] [stderr]  --> src/arm/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::byteorder::{ByteOrder, LittleEndian};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/arm/mod.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::byteorder::{ByteOrder, LittleEndian};
[INFO] [stderr]   |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inter`
[INFO] [stderr]   --> src/arm/mod.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn execute(&mut self, inter: &mut Interconnect, instr: Instruction) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_inter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read_u8(&self, addr: u32) -> u8 {
[INFO] [stderr]    |                           ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn read_u16(&self, addr: u32) -> u16 {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn write_u8(&mut self, addr: u32) {
[INFO] [stderr]    |                                ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn write_u16(&mut self, addr: u32) {
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory/mod.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn write_u32(&mut self, addr: u32) {
[INFO] [stderr]    |                                 ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "f6a46e37c8923cc838edd1281157d0c152ab6ffbb2ea079363f5388e1dad66cd"`
[INFO] running `"docker" "rm" "-f" "f6a46e37c8923cc838edd1281157d0c152ab6ffbb2ea079363f5388e1dad66cd"`
[INFO] [stdout] f6a46e37c8923cc838edd1281157d0c152ab6ffbb2ea079363f5388e1dad66cd