[INFO] updating cached repository calebmeyer/war [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/calebmeyer/war [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/calebmeyer/war" "work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/calebmeyer/war" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/calebmeyer/war"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/calebmeyer/war'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2fd9de348d859400167c76291aac0fe208a84876 [INFO] sha for GitHub repo calebmeyer/war: 2fd9de348d859400167c76291aac0fe208a84876 [INFO] validating manifest of calebmeyer/war 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 calebmeyer/war 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 calebmeyer/war [INFO] finished frobbing calebmeyer/war [INFO] frobbed toml for calebmeyer/war written to work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war/Cargo.toml [INFO] started frobbing calebmeyer/war [INFO] finished frobbing calebmeyer/war [INFO] frobbed toml for calebmeyer/war written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/calebmeyer/war/Cargo.toml [INFO] crate calebmeyer/war 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 calebmeyer/war 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war:/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] 13a7cb41267f5b2ae473c90277dc3880a0a1999cce73796b1bc8806440bd486e [INFO] running `"docker" "start" "-a" "13a7cb41267f5b2ae473c90277dc3880a0a1999cce73796b1bc8806440bd486e"` [INFO] [stderr] Compiling war v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | for n in 1..=10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cards` [INFO] [stderr] --> src/deck/mod.rs:43:28 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_cards` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other_deck` [INFO] [stderr] --> src/deck/mod.rs:43:46 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_other_deck` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | let mut my_deck = deck.deal(26); [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:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut your_deck = deck.deal(26); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `give` [INFO] [stderr] --> src/deck/mod.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `DiscardPile` [INFO] [stderr] --> src/deck/mod.rs:49:1 [INFO] [stderr] | [INFO] [stderr] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `"docker" "inspect" "13a7cb41267f5b2ae473c90277dc3880a0a1999cce73796b1bc8806440bd486e"` [INFO] running `"docker" "rm" "-f" "13a7cb41267f5b2ae473c90277dc3880a0a1999cce73796b1bc8806440bd486e"` [INFO] [stdout] 13a7cb41267f5b2ae473c90277dc3880a0a1999cce73796b1bc8806440bd486e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war:/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] fb292953e72add0c0fb40625a1b53d997b3e609b2b634ce597db09d385e29bdb [INFO] running `"docker" "start" "-a" "fb292953e72add0c0fb40625a1b53d997b3e609b2b634ce597db09d385e29bdb"` [INFO] [stderr] Compiling war v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | for n in 1..=10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cards` [INFO] [stderr] --> src/deck/mod.rs:43:28 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_cards` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other_deck` [INFO] [stderr] --> src/deck/mod.rs:43:46 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_other_deck` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | let mut my_deck = deck.deal(26); [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:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut your_deck = deck.deal(26); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `give` [INFO] [stderr] --> src/deck/mod.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn give(&mut self, cards: Vec, other_deck: &mut Deck) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `DiscardPile` [INFO] [stderr] --> src/deck/mod.rs:49:1 [INFO] [stderr] | [INFO] [stderr] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "fb292953e72add0c0fb40625a1b53d997b3e609b2b634ce597db09d385e29bdb"` [INFO] running `"docker" "rm" "-f" "fb292953e72add0c0fb40625a1b53d997b3e609b2b634ce597db09d385e29bdb"` [INFO] [stdout] fb292953e72add0c0fb40625a1b53d997b3e609b2b634ce597db09d385e29bdb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/calebmeyer/war:/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] 759af878f153337cfd000b720bf8e2838561745878754dd758a107c5def95640 [INFO] running `"docker" "start" "-a" "759af878f153337cfd000b720bf8e2838561745878754dd758a107c5def95640"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/war-f76fc4963644ff40 [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" "759af878f153337cfd000b720bf8e2838561745878754dd758a107c5def95640"` [INFO] running `"docker" "rm" "-f" "759af878f153337cfd000b720bf8e2838561745878754dd758a107c5def95640"` [INFO] [stdout] 759af878f153337cfd000b720bf8e2838561745878754dd758a107c5def95640