[INFO] updating cached repository tiziano88/xyz [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tiziano88/xyz [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/xyz" "work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/xyz"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/xyz'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/xyz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2dc1aac59585230bfb1752ed0b1c3475b252911d [INFO] sha for GitHub repo tiziano88/xyz: 2dc1aac59585230bfb1752ed0b1c3475b252911d [INFO] validating manifest of tiziano88/xyz 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 tiziano88/xyz 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 tiziano88/xyz [INFO] finished frobbing tiziano88/xyz [INFO] frobbed toml for tiziano88/xyz written to work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/xyz/Cargo.toml [INFO] started frobbing tiziano88/xyz [INFO] finished frobbing tiziano88/xyz [INFO] frobbed toml for tiziano88/xyz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz/Cargo.toml [INFO] crate tiziano88/xyz 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tiziano88/xyz against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 5c5e59ec253608e3d8b11101fa656c52062d4ae76437f9fc97c2f399bcee4fbf [INFO] running `"docker" "start" "-a" "5c5e59ec253608e3d8b11101fa656c52062d4ae76437f9fc97c2f399bcee4fbf"` [INFO] [stderr] Compiling termion v1.1.4 [INFO] [stderr] Compiling xyz v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:96:22 [INFO] [stderr] | [INFO] [stderr] 96 | let colors: Vec<&termion::color::Color> = vec![blue, green, yellow, red]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | let mut rng = thread_rng(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:115:17 [INFO] [stderr] | [INFO] [stderr] 115 | let mut s = "".to_string(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: variable `v` is assigned to, but never used [INFO] [stderr] --> src/main.rs:61:25 [INFO] [stderr] | [INFO] [stderr] 61 | let mut v = self.grid[x][y]; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_v` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut g = Grid::default(); [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:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let mut rng = thread_rng(); [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:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let mut s = "".to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `max` should have an upper case name [INFO] [stderr] --> src/main.rs:9:7 [INFO] [stderr] | [INFO] [stderr] 9 | const max: u32 = 128; [INFO] [stderr] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `"docker" "inspect" "5c5e59ec253608e3d8b11101fa656c52062d4ae76437f9fc97c2f399bcee4fbf"` [INFO] running `"docker" "rm" "-f" "5c5e59ec253608e3d8b11101fa656c52062d4ae76437f9fc97c2f399bcee4fbf"` [INFO] [stdout] 5c5e59ec253608e3d8b11101fa656c52062d4ae76437f9fc97c2f399bcee4fbf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 6e06c1fc2ce89657b8d3a5e63c305fdbb1ddc4802a1f531bf3cb4273ae97c498 [INFO] running `"docker" "start" "-a" "6e06c1fc2ce89657b8d3a5e63c305fdbb1ddc4802a1f531bf3cb4273ae97c498"` [INFO] [stderr] Compiling xyz v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:96:22 [INFO] [stderr] | [INFO] [stderr] 96 | let colors: Vec<&termion::color::Color> = vec![blue, green, yellow, red]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | let mut rng = thread_rng(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:115:17 [INFO] [stderr] | [INFO] [stderr] 115 | let mut s = "".to_string(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: variable `v` is assigned to, but never used [INFO] [stderr] --> src/main.rs:61:25 [INFO] [stderr] | [INFO] [stderr] 61 | let mut v = self.grid[x][y]; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_v` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut g = Grid::default(); [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:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let mut rng = thread_rng(); [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:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let mut s = "".to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `max` should have an upper case name [INFO] [stderr] --> src/main.rs:9:7 [INFO] [stderr] | [INFO] [stderr] 9 | const max: u32 = 128; [INFO] [stderr] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "6e06c1fc2ce89657b8d3a5e63c305fdbb1ddc4802a1f531bf3cb4273ae97c498"` [INFO] running `"docker" "rm" "-f" "6e06c1fc2ce89657b8d3a5e63c305fdbb1ddc4802a1f531bf3cb4273ae97c498"` [INFO] [stdout] 6e06c1fc2ce89657b8d3a5e63c305fdbb1ddc4802a1f531bf3cb4273ae97c498 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/xyz:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 8fc613540fb19885a4f481e30e8e49376b532b68051685d7c8c1383c21f8bdbe [INFO] running `"docker" "start" "-a" "8fc613540fb19885a4f481e30e8e49376b532b68051685d7c8c1383c21f8bdbe"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/xyz-8569cdf059d0e86b [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" "8fc613540fb19885a4f481e30e8e49376b532b68051685d7c8c1383c21f8bdbe"` [INFO] running `"docker" "rm" "-f" "8fc613540fb19885a4f481e30e8e49376b532b68051685d7c8c1383c21f8bdbe"` [INFO] [stdout] 8fc613540fb19885a4f481e30e8e49376b532b68051685d7c8c1383c21f8bdbe