[INFO] updating cached repository tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa" "work/ex/beta-1.38-1/sources/1.37.0/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 711646bcb7d841928c02268d3ca07747db13c311 [INFO] sha for GitHub repo tbelaire/dailyprogrammer_challenge247_easy_secret_santa: 711646bcb7d841928c02268d3ca07747db13c311 [INFO] validating manifest of tbelaire/dailyprogrammer_challenge247_easy_secret_santa 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 tbelaire/dailyprogrammer_challenge247_easy_secret_santa 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 tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] finished frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] frobbed toml for tbelaire/dailyprogrammer_challenge247_easy_secret_santa written to work/ex/beta-1.38-1/sources/1.37.0/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa/Cargo.toml [INFO] started frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] finished frobbing tbelaire/dailyprogrammer_challenge247_easy_secret_santa [INFO] frobbed toml for tbelaire/dailyprogrammer_challenge247_easy_secret_santa written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tbelaire/dailyprogrammer_challenge247_easy_secret_santa/Cargo.toml [INFO] crate tbelaire/dailyprogrammer_challenge247_easy_secret_santa 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 tbelaire/dailyprogrammer_challenge247_easy_secret_santa 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-0/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/tbelaire/dailyprogrammer_challenge247_easy_secret_santa:/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] 9c05804492442f1834a831868d52beedb290b0008db2e9a36ff4ec2d7cca84c6 [INFO] running `"docker" "start" "-a" "9c05804492442f1834a831868d52beedb290b0008db2e9a36ff4ec2d7cca84c6"` [INFO] [stderr] Compiling challenge_247_easy_secret_santa v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:73:56 [INFO] [stderr] | [INFO] [stderr] 73 | fn load_family(path: &Path) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | / pub fn new(people: Vec) -> Self [INFO] [stderr] 18 | | where T: Into [INFO] [stderr] 19 | | { [INFO] [stderr] 20 | | Family { [INFO] [stderr] ... | [INFO] [stderr] 23 | | } [INFO] [stderr] 24 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new2` [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | / pub fn new2(people: V) -> Self [INFO] [stderr] 26 | | where V: Into>, [INFO] [stderr] 27 | | T: Into [INFO] [stderr] 28 | | { [INFO] [stderr] ... | [INFO] [stderr] 32 | | } [INFO] [stderr] 33 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `"docker" "inspect" "9c05804492442f1834a831868d52beedb290b0008db2e9a36ff4ec2d7cca84c6"` [INFO] running `"docker" "rm" "-f" "9c05804492442f1834a831868d52beedb290b0008db2e9a36ff4ec2d7cca84c6"` [INFO] [stdout] 9c05804492442f1834a831868d52beedb290b0008db2e9a36ff4ec2d7cca84c6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/tbelaire/dailyprogrammer_challenge247_easy_secret_santa:/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] 9dac98c73faa23e82da0b43fc1efb1cf64fa5cf843d61075fa96202ad5ab6848 [INFO] running `"docker" "start" "-a" "9dac98c73faa23e82da0b43fc1efb1cf64fa5cf843d61075fa96202ad5ab6848"` [INFO] [stderr] Compiling challenge_247_easy_secret_santa v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:73:56 [INFO] [stderr] | [INFO] [stderr] 73 | fn load_family(path: &Path) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `"docker" "inspect" "9dac98c73faa23e82da0b43fc1efb1cf64fa5cf843d61075fa96202ad5ab6848"` [INFO] running `"docker" "rm" "-f" "9dac98c73faa23e82da0b43fc1efb1cf64fa5cf843d61075fa96202ad5ab6848"` [INFO] [stdout] 9dac98c73faa23e82da0b43fc1efb1cf64fa5cf843d61075fa96202ad5ab6848 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/tbelaire/dailyprogrammer_challenge247_easy_secret_santa:/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] c67fba77af6345dd673161773279d882366d4057d5a1a6ff3f4e45b10d724411 [INFO] running `"docker" "start" "-a" "c67fba77af6345dd673161773279d882366d4057d5a1a6ff3f4e45b10d724411"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/challenge_247_easy_secret_santa-cd42f2f8574512e9 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_family_constructor ... ok [INFO] [stdout] test test_infeasible ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c67fba77af6345dd673161773279d882366d4057d5a1a6ff3f4e45b10d724411"` [INFO] running `"docker" "rm" "-f" "c67fba77af6345dd673161773279d882366d4057d5a1a6ff3f4e45b10d724411"` [INFO] [stdout] c67fba77af6345dd673161773279d882366d4057d5a1a6ff3f4e45b10d724411