[INFO] updating cached repository owensc84/synacor [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/owensc84/synacor [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/owensc84/synacor" "work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/owensc84/synacor" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/owensc84/synacor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/owensc84/synacor'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 387e46f9144f4e7616b704b430ff8677c93e4179 [INFO] sha for GitHub repo owensc84/synacor: 387e46f9144f4e7616b704b430ff8677c93e4179 [INFO] validating manifest of owensc84/synacor on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of owensc84/synacor on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing owensc84/synacor [INFO] finished frobbing owensc84/synacor [INFO] frobbed toml for owensc84/synacor written to work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor/Cargo.toml [INFO] started frobbing owensc84/synacor [INFO] finished frobbing owensc84/synacor [INFO] frobbed toml for owensc84/synacor written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/owensc84/synacor/Cargo.toml [INFO] crate owensc84/synacor already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing owensc84/synacor against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] c597d27b9b2b2f70f2cd8c738558b2fe201ccb8bea89807fba1178cdfe9cab1a [INFO] running `"docker" "start" "-a" "c597d27b9b2b2f70f2cd8c738558b2fe201ccb8bea89807fba1178cdfe9cab1a"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling synacor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:168:16 [INFO] [stderr] | [INFO] [stderr] 168 | traceptr &= (TRACE_SIZE-1); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:349:28 [INFO] [stderr] | [INFO] [stderr] 349 | register[reg_num] = (get_val(b, ®ister) & get_val(c, ®ister)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:364:28 [INFO] [stderr] | [INFO] [stderr] 364 | register[reg_num] = (get_val(b, ®ister) | get_val(c, ®ister)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/main.rs:96:58 [INFO] [stderr] | [INFO] [stderr] 96 | fn call_trace(v: &[usize], ptr: usize, memory: Vec, pc: usize, register:&Vec) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `exs` is never read [INFO] [stderr] --> src/main.rs:154:11 [INFO] [stderr] | [INFO] [stderr] 154 | let mut exs: i32 = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:105:7 [INFO] [stderr] | [INFO] [stderr] 105 | let mut ts = format!(""); [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/main.rs:110:7 [INFO] [stderr] | [INFO] [stderr] 110 | let mut s = format!("{:<7}{:<7}{:<7}{:<7}",trace_pc, memory[trace_pc], get_opcode_debug_string(trace_pc, &memory, register), ts); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:116:7 [INFO] [stderr] | [INFO] [stderr] 116 | let mut ts = format!(""); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:7 [INFO] [stderr] | [INFO] [stderr] 120 | let mut s = format!("{:<7}{:<7}{:<7}{:<7}",trace_pc, memory[trace_pc], get_opcode_debug_string(trace_pc, &memory, register), ts); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_reg` [INFO] [stderr] --> src/main.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | fn is_reg(operand: u16) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `totalExecutions` should have a snake case name [INFO] [stderr] --> src/main.rs:145:10 [INFO] [stderr] | [INFO] [stderr] 145 | let mut totalExecutions = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `total_executions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `"docker" "inspect" "c597d27b9b2b2f70f2cd8c738558b2fe201ccb8bea89807fba1178cdfe9cab1a"` [INFO] running `"docker" "rm" "-f" "c597d27b9b2b2f70f2cd8c738558b2fe201ccb8bea89807fba1178cdfe9cab1a"` [INFO] [stdout] c597d27b9b2b2f70f2cd8c738558b2fe201ccb8bea89807fba1178cdfe9cab1a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e8d82d5026337360a25ab4400becd657cf828ecc8cd08d29203af41473352496 [INFO] running `"docker" "start" "-a" "e8d82d5026337360a25ab4400becd657cf828ecc8cd08d29203af41473352496"` [INFO] [stderr] Compiling synacor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:168:16 [INFO] [stderr] | [INFO] [stderr] 168 | traceptr &= (TRACE_SIZE-1); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:349:28 [INFO] [stderr] | [INFO] [stderr] 349 | register[reg_num] = (get_val(b, ®ister) & get_val(c, ®ister)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:364:28 [INFO] [stderr] | [INFO] [stderr] 364 | register[reg_num] = (get_val(b, ®ister) | get_val(c, ®ister)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/main.rs:96:58 [INFO] [stderr] | [INFO] [stderr] 96 | fn call_trace(v: &[usize], ptr: usize, memory: Vec, pc: usize, register:&Vec) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `exs` is never read [INFO] [stderr] --> src/main.rs:154:11 [INFO] [stderr] | [INFO] [stderr] 154 | let mut exs: i32 = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:105:7 [INFO] [stderr] | [INFO] [stderr] 105 | let mut ts = format!(""); [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/main.rs:110:7 [INFO] [stderr] | [INFO] [stderr] 110 | let mut s = format!("{:<7}{:<7}{:<7}{:<7}",trace_pc, memory[trace_pc], get_opcode_debug_string(trace_pc, &memory, register), ts); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:116:7 [INFO] [stderr] | [INFO] [stderr] 116 | let mut ts = format!(""); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:7 [INFO] [stderr] | [INFO] [stderr] 120 | let mut s = format!("{:<7}{:<7}{:<7}{:<7}",trace_pc, memory[trace_pc], get_opcode_debug_string(trace_pc, &memory, register), ts); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_reg` [INFO] [stderr] --> src/main.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | fn is_reg(operand: u16) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `totalExecutions` should have a snake case name [INFO] [stderr] --> src/main.rs:145:10 [INFO] [stderr] | [INFO] [stderr] 145 | let mut totalExecutions = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `total_executions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "e8d82d5026337360a25ab4400becd657cf828ecc8cd08d29203af41473352496"` [INFO] running `"docker" "rm" "-f" "e8d82d5026337360a25ab4400becd657cf828ecc8cd08d29203af41473352496"` [INFO] [stdout] e8d82d5026337360a25ab4400becd657cf828ecc8cd08d29203af41473352496 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/owensc84/synacor:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 0e2697a886f47b7ca52f23461aeb59461e7e4c595c149fce7b2dbc0940e5d219 [INFO] running `"docker" "start" "-a" "0e2697a886f47b7ca52f23461aeb59461e7e4c595c149fce7b2dbc0940e5d219"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/synacor-b76f566ff9150658 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "0e2697a886f47b7ca52f23461aeb59461e7e4c595c149fce7b2dbc0940e5d219"` [INFO] running `"docker" "rm" "-f" "0e2697a886f47b7ca52f23461aeb59461e7e4c595c149fce7b2dbc0940e5d219"` [INFO] [stdout] 0e2697a886f47b7ca52f23461aeb59461e7e4c595c149fce7b2dbc0940e5d219