[INFO] updating cached repository rjmholt/mips-disasm-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rjmholt/mips-disasm-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rjmholt/mips-disasm-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rjmholt/mips-disasm-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjmholt/mips-disasm-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjmholt/mips-disasm-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a26360d906f4b7a2bd57e00702baa590ed8ff044 [INFO] sha for GitHub repo rjmholt/mips-disasm-rust: a26360d906f4b7a2bd57e00702baa590ed8ff044 [INFO] validating manifest of rjmholt/mips-disasm-rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rjmholt/mips-disasm-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rjmholt/mips-disasm-rust [INFO] finished frobbing rjmholt/mips-disasm-rust [INFO] frobbed toml for rjmholt/mips-disasm-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust/Cargo.toml [INFO] started frobbing rjmholt/mips-disasm-rust [INFO] finished frobbing rjmholt/mips-disasm-rust [INFO] frobbed toml for rjmholt/mips-disasm-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjmholt/mips-disasm-rust/Cargo.toml [INFO] crate rjmholt/mips-disasm-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rjmholt/mips-disasm-rust against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 834dd67e63b7999b50c6f88cb2aa25932c8977155acd826988e4d5e25957f135 [INFO] running `"docker" "start" "-a" "834dd67e63b7999b50c6f88cb2aa25932c8977155acd826988e4d5e25957f135"` [INFO] [stderr] Compiling mips v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/mips/read.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Error` [INFO] [stderr] --> src/mips/read.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mips/print.rs:5:29 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn print_instrs(f: &mut Write, instr_vec: &Vec<(u32, Instr)>) -> () [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `curr_addr` is never read [INFO] [stderr] --> src/main.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | curr_addr = mips::START_ADDR; [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: unused variable: `curr_addr` [INFO] [stderr] --> src/mips/data.rs:398:27 [INFO] [stderr] | [INFO] [stderr] 398 | fn branch_addr(&self, curr_addr: u32) -> u32 [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_curr_addr` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `curr_addr` [INFO] [stderr] --> src/mips/data.rs:419:27 [INFO] [stderr] | [INFO] [stderr] 419 | fn branch_addr(&self, curr_addr: u32) -> u32 [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_curr_addr` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mips/print.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mips/print.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | write!(f, "\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "834dd67e63b7999b50c6f88cb2aa25932c8977155acd826988e4d5e25957f135"` [INFO] running `"docker" "rm" "-f" "834dd67e63b7999b50c6f88cb2aa25932c8977155acd826988e4d5e25957f135"` [INFO] [stdout] 834dd67e63b7999b50c6f88cb2aa25932c8977155acd826988e4d5e25957f135 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5813e71333d570c2b9e2371f13907ddd2938755068a0ceb70e1ef9f697e26a0a [INFO] running `"docker" "start" "-a" "5813e71333d570c2b9e2371f13907ddd2938755068a0ceb70e1ef9f697e26a0a"` [INFO] [stderr] Compiling mips v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/mips/read.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Error` [INFO] [stderr] --> src/mips/read.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mips/print.rs:5:29 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn print_instrs(f: &mut Write, instr_vec: &Vec<(u32, Instr)>) -> () [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `curr_addr` is never read [INFO] [stderr] --> src/main.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | curr_addr = mips::START_ADDR; [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: unused variable: `curr_addr` [INFO] [stderr] --> src/mips/data.rs:398:27 [INFO] [stderr] | [INFO] [stderr] 398 | fn branch_addr(&self, curr_addr: u32) -> u32 [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_curr_addr` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `curr_addr` [INFO] [stderr] --> src/mips/data.rs:419:27 [INFO] [stderr] | [INFO] [stderr] 419 | fn branch_addr(&self, curr_addr: u32) -> u32 [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_curr_addr` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mips/print.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | write!(f, "[0x{:08x}] 0x{:08x} {}\n", curr_addr, code, instr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/mips/print.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | write!(f, "\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `"docker" "inspect" "5813e71333d570c2b9e2371f13907ddd2938755068a0ceb70e1ef9f697e26a0a"` [INFO] running `"docker" "rm" "-f" "5813e71333d570c2b9e2371f13907ddd2938755068a0ceb70e1ef9f697e26a0a"` [INFO] [stdout] 5813e71333d570c2b9e2371f13907ddd2938755068a0ceb70e1ef9f697e26a0a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjmholt/mips-disasm-rust:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 5054d7d96d93833c66f7945a10a742dcc396bd11213046985c47aa3d16defaf5 [INFO] running `"docker" "start" "-a" "5054d7d96d93833c66f7945a10a742dcc396bd11213046985c47aa3d16defaf5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/mips-ec93b5704dfe4a8d [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" "5054d7d96d93833c66f7945a10a742dcc396bd11213046985c47aa3d16defaf5"` [INFO] running `"docker" "rm" "-f" "5054d7d96d93833c66f7945a10a742dcc396bd11213046985c47aa3d16defaf5"` [INFO] [stdout] 5054d7d96d93833c66f7945a10a742dcc396bd11213046985c47aa3d16defaf5