[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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/rockisch/project-euler-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/rockisch/project-euler-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rockisch/project-euler-rust" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/rockisch/project-euler-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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 master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rockisch/project-euler-rust on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "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/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rockisch/project-euler-rust against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 93a4bfbf7acc2e847929f479976d988bd2a650cc031e668168338ec1d3d91e0a [INFO] running `"docker" "start" "-a" "93a4bfbf7acc2e847929f479976d988bd2a650cc031e668168338ec1d3d91e0a"` [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking num-complex v0.2.3 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking num-rational v0.2.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking 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: 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] 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 9.60s [INFO] running `"docker" "inspect" "93a4bfbf7acc2e847929f479976d988bd2a650cc031e668168338ec1d3d91e0a"` [INFO] running `"docker" "rm" "-f" "93a4bfbf7acc2e847929f479976d988bd2a650cc031e668168338ec1d3d91e0a"` [INFO] [stdout] 93a4bfbf7acc2e847929f479976d988bd2a650cc031e668168338ec1d3d91e0a