[INFO] updating cached repository rockisch/project-euler-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rockisch/project-euler-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rockisch/project-euler-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/rockisch/project-euler-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rockisch/project-euler-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rockisch/project-euler-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rockisch/project-euler-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rockisch/project-euler-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5b307d61eed68c012889e32498e10fba7d801f25 [INFO] sha for GitHub repo rockisch/project-euler-rust: 5b307d61eed68c012889e32498e10fba7d801f25 [INFO] validating manifest of rockisch/project-euler-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 rockisch/project-euler-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 rockisch/project-euler-rust [INFO] finished frobbing rockisch/project-euler-rust [INFO] frobbed toml for rockisch/project-euler-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/rockisch/project-euler-rust/Cargo.toml [INFO] started frobbing rockisch/project-euler-rust [INFO] finished frobbing rockisch/project-euler-rust [INFO] frobbed toml for rockisch/project-euler-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rockisch/project-euler-rust/Cargo.toml [INFO] crate rockisch/project-euler-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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rockisch/project-euler-rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 rockisch/project-euler-rust 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-3/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/rockisch/project-euler-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 238e113f683339008268e04cd4037b5376d1f7b20ffe856b7b1ce10241ea28af [INFO] running `"docker" "start" "-a" "238e113f683339008268e04cd4037b5376d1f7b20ffe856b7b1ce10241ea28af"` [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling rust-euler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:31:52 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:31:52 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `primes_until` [INFO] [stderr] --> src/lib.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | / pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] 32 | | where [INFO] [stderr] 33 | | T: Integer + Copy + std::fmt::Debug + TryFrom, [INFO] [stderr] 34 | | u8: Into, [INFO] [stderr] ... | [INFO] [stderr] 49 | | Ok(primes) [INFO] [stderr] 50 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.61s [INFO] running `"docker" "inspect" "238e113f683339008268e04cd4037b5376d1f7b20ffe856b7b1ce10241ea28af"` [INFO] running `"docker" "rm" "-f" "238e113f683339008268e04cd4037b5376d1f7b20ffe856b7b1ce10241ea28af"` [INFO] [stdout] 238e113f683339008268e04cd4037b5376d1f7b20ffe856b7b1ce10241ea28af [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/rockisch/project-euler-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] cef2c54fad3f19a4572f45b895de7f9361f2746edf06dd08afbeb290a9bc434a [INFO] running `"docker" "start" "-a" "cef2c54fad3f19a4572f45b895de7f9361f2746edf06dd08afbeb290a9bc434a"` [INFO] [stderr] Compiling rust-euler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:31:52 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:31:52 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `primes_until` [INFO] [stderr] --> src/lib.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | / pub fn primes_until(n: T) -> Result, Box> [INFO] [stderr] 32 | | where [INFO] [stderr] 33 | | T: Integer + Copy + std::fmt::Debug + TryFrom, [INFO] [stderr] 34 | | u8: Into, [INFO] [stderr] ... | [INFO] [stderr] 49 | | Ok(primes) [INFO] [stderr] 50 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "cef2c54fad3f19a4572f45b895de7f9361f2746edf06dd08afbeb290a9bc434a"` [INFO] running `"docker" "rm" "-f" "cef2c54fad3f19a4572f45b895de7f9361f2746edf06dd08afbeb290a9bc434a"` [INFO] [stdout] cef2c54fad3f19a4572f45b895de7f9361f2746edf06dd08afbeb290a9bc434a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/rockisch/project-euler-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] e077a2ea8d07e481c167335cd0b1c9486596abd981ac7113493c70d6ffe555c3 [INFO] running `"docker" "start" "-a" "e077a2ea8d07e481c167335cd0b1c9486596abd981ac7113493c70d6ffe555c3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [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] [stderr] Running /opt/crater/target/debug/deps/rust_euler-21a29f0969b947d6 [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_euler-e946f14ff5173ffe [INFO] [stderr] Doc-tests rust-euler [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] [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" "e077a2ea8d07e481c167335cd0b1c9486596abd981ac7113493c70d6ffe555c3"` [INFO] running `"docker" "rm" "-f" "e077a2ea8d07e481c167335cd0b1c9486596abd981ac7113493c70d6ffe555c3"` [INFO] [stdout] e077a2ea8d07e481c167335cd0b1c9486596abd981ac7113493c70d6ffe555c3