[INFO] updating cached repository rummolprod999/rust_generics [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rummolprod999/rust_generics [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/rust_generics" "work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/rust_generics"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/rust_generics'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/rust_generics" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/rust_generics"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/rust_generics'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b8b176b1f85a90ade432385d8429cf05ed59c6a9 [INFO] sha for GitHub repo rummolprod999/rust_generics: b8b176b1f85a90ade432385d8429cf05ed59c6a9 [INFO] validating manifest of rummolprod999/rust_generics 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 rummolprod999/rust_generics 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 rummolprod999/rust_generics [INFO] finished frobbing rummolprod999/rust_generics [INFO] frobbed toml for rummolprod999/rust_generics written to work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/rust_generics/Cargo.toml [INFO] started frobbing rummolprod999/rust_generics [INFO] finished frobbing rummolprod999/rust_generics [INFO] frobbed toml for rummolprod999/rust_generics written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/rust_generics/Cargo.toml [INFO] crate rummolprod999/rust_generics 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 rummolprod999/rust_generics 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/rummolprod999/rust_generics:/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] 24ef8ead6ee43cb277faa0ffa5dcd51c900e13ced38fd215930d3be8cdfcacce [INFO] running `"docker" "start" "-a" "24ef8ead6ee43cb277faa0ffa5dcd51c900e13ced38fd215930d3be8cdfcacce"` [INFO] [stderr] Compiling rust_generics v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `graph` [INFO] [stderr] --> src/main.rs:40:37 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_graph` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/main.rs:40:48 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end` [INFO] [stderr] --> src/main.rs:40:59 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_end` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `graph` [INFO] [stderr] --> src/main.rs:44:28 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_graph` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/main.rs:44:39 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end` [INFO] [stderr] --> src/main.rs:44:53 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_end` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n1` [INFO] [stderr] --> src/main.rs:21:24 [INFO] [stderr] | [INFO] [stderr] 21 | fn has_edge(&self, n1: &G, n2: &G) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n2` [INFO] [stderr] --> src/main.rs:21:32 [INFO] [stderr] | [INFO] [stderr] 21 | fn has_edge(&self, n1: &G, n2: &G) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:25:21 [INFO] [stderr] | [INFO] [stderr] 25 | fn edges(&self, n: &G) -> Vec { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n1` [INFO] [stderr] --> src/main.rs:31:26 [INFO] [stderr] | [INFO] [stderr] 31 | fn i_has_edge(&self, n1: &T, n2: &T) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n2` [INFO] [stderr] --> src/main.rs:31:34 [INFO] [stderr] | [INFO] [stderr] 31 | fn i_has_edge(&self, n1: &T, n2: &T) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:35:23 [INFO] [stderr] | [INFO] [stderr] 35 | fn i_edges(&self, n: &T) -> Vec { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `i_distance` [INFO] [stderr] --> src/main.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `distance` [INFO] [stderr] --> src/main.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "24ef8ead6ee43cb277faa0ffa5dcd51c900e13ced38fd215930d3be8cdfcacce"` [INFO] running `"docker" "rm" "-f" "24ef8ead6ee43cb277faa0ffa5dcd51c900e13ced38fd215930d3be8cdfcacce"` [INFO] [stdout] 24ef8ead6ee43cb277faa0ffa5dcd51c900e13ced38fd215930d3be8cdfcacce [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/rummolprod999/rust_generics:/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] 8b5ef80770926d2c9224b4a89bd786c35666a0a7ebbfd0b1f0b8538ec8de358b [INFO] running `"docker" "start" "-a" "8b5ef80770926d2c9224b4a89bd786c35666a0a7ebbfd0b1f0b8538ec8de358b"` [INFO] [stderr] Compiling rust_generics v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `graph` [INFO] [stderr] --> src/main.rs:40:37 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_graph` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/main.rs:40:48 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end` [INFO] [stderr] --> src/main.rs:40:59 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_end` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `graph` [INFO] [stderr] --> src/main.rs:44:28 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_graph` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/main.rs:44:39 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end` [INFO] [stderr] --> src/main.rs:44:53 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_end` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n1` [INFO] [stderr] --> src/main.rs:21:24 [INFO] [stderr] | [INFO] [stderr] 21 | fn has_edge(&self, n1: &G, n2: &G) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n2` [INFO] [stderr] --> src/main.rs:21:32 [INFO] [stderr] | [INFO] [stderr] 21 | fn has_edge(&self, n1: &G, n2: &G) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:25:21 [INFO] [stderr] | [INFO] [stderr] 25 | fn edges(&self, n: &G) -> Vec { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n1` [INFO] [stderr] --> src/main.rs:31:26 [INFO] [stderr] | [INFO] [stderr] 31 | fn i_has_edge(&self, n1: &T, n2: &T) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n2` [INFO] [stderr] --> src/main.rs:31:34 [INFO] [stderr] | [INFO] [stderr] 31 | fn i_has_edge(&self, n1: &T, n2: &T) -> bool { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:35:23 [INFO] [stderr] | [INFO] [stderr] 35 | fn i_edges(&self, n: &T) -> Vec { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `i_distance` [INFO] [stderr] --> src/main.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn i_distance>(graph: &G, start: &N, end: &N) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `distance` [INFO] [stderr] --> src/main.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | fn distance(graph: &G, start: &G::N, end: &G::N) -> u32 { 32 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `"docker" "inspect" "8b5ef80770926d2c9224b4a89bd786c35666a0a7ebbfd0b1f0b8538ec8de358b"` [INFO] running `"docker" "rm" "-f" "8b5ef80770926d2c9224b4a89bd786c35666a0a7ebbfd0b1f0b8538ec8de358b"` [INFO] [stdout] 8b5ef80770926d2c9224b4a89bd786c35666a0a7ebbfd0b1f0b8538ec8de358b [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/rummolprod999/rust_generics:/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] d3e7ee7a106f2204296e808aa60f15d94f1a294025d29f0d62de858172d42c21 [INFO] running `"docker" "start" "-a" "d3e7ee7a106f2204296e808aa60f15d94f1a294025d29f0d62de858172d42c21"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_generics-b74b2c49225dbee6 [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" "d3e7ee7a106f2204296e808aa60f15d94f1a294025d29f0d62de858172d42c21"` [INFO] running `"docker" "rm" "-f" "d3e7ee7a106f2204296e808aa60f15d94f1a294025d29f0d62de858172d42c21"` [INFO] [stdout] d3e7ee7a106f2204296e808aa60f15d94f1a294025d29f0d62de858172d42c21