[INFO] updating cached repository Direnol/Simplex-Method [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Direnol/Simplex-Method [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Direnol/Simplex-Method" "work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Direnol/Simplex-Method" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Direnol/Simplex-Method"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Direnol/Simplex-Method'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 91ee756515c4e946fc1cd49edbdaf9fd10c3aaec [INFO] sha for GitHub repo Direnol/Simplex-Method: 91ee756515c4e946fc1cd49edbdaf9fd10c3aaec [INFO] validating manifest of Direnol/Simplex-Method 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 Direnol/Simplex-Method 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 Direnol/Simplex-Method [INFO] finished frobbing Direnol/Simplex-Method [INFO] frobbed toml for Direnol/Simplex-Method written to work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method/Cargo.toml [INFO] started frobbing Direnol/Simplex-Method [INFO] finished frobbing Direnol/Simplex-Method [INFO] frobbed toml for Direnol/Simplex-Method written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Direnol/Simplex-Method/Cargo.toml [INFO] crate Direnol/Simplex-Method 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 Direnol/Simplex-Method 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method:/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] 90c8a2746c29b58f30f11ac2497ceec730603002201dd8385c61ea88dcc79102 [INFO] running `"docker" "start" "-a" "90c8a2746c29b58f30f11ac2497ceec730603002201dd8385c61ea88dcc79102"` [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling rsimpl v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | ::std::io::stdin().read(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | write!(f, "X: {: ^6}", 'z'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:196:13 [INFO] [stderr] | [INFO] [stderr] 196 | write!(f, "{:^8}", format!("x{}", i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | writeln!(f, " | {: ^5}", "res"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:201:13 [INFO] [stderr] | [INFO] [stderr] 201 | / writeln!( [INFO] [stderr] 202 | | f, [INFO] [stderr] 203 | | "{}: {:>6.3?} | {:.3}", [INFO] [stderr] 204 | | self.names.get(row).or(Some(&zero)).unwrap(), [INFO] [stderr] 205 | | v.0, [INFO] [stderr] 206 | | v.1 [INFO] [stderr] 207 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:7:29 [INFO] [stderr] | [INFO] [stderr] 7 | fn main() -> 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] Finished dev [unoptimized + debuginfo] target(s) in 34.65s [INFO] running `"docker" "inspect" "90c8a2746c29b58f30f11ac2497ceec730603002201dd8385c61ea88dcc79102"` [INFO] running `"docker" "rm" "-f" "90c8a2746c29b58f30f11ac2497ceec730603002201dd8385c61ea88dcc79102"` [INFO] [stdout] 90c8a2746c29b58f30f11ac2497ceec730603002201dd8385c61ea88dcc79102 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method:/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] 08d1aec09e06b85d20aabf501ef6999bf349ce2e1be83114fdb9cc47d7125a5a [INFO] running `"docker" "start" "-a" "08d1aec09e06b85d20aabf501ef6999bf349ce2e1be83114fdb9cc47d7125a5a"` [INFO] [stderr] Compiling rsimpl v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:7:29 [INFO] [stderr] | [INFO] [stderr] 7 | fn main() -> 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | ::std::io::stdin().read(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | write!(f, "X: {: ^6}", 'z'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:196:13 [INFO] [stderr] | [INFO] [stderr] 196 | write!(f, "{:^8}", format!("x{}", i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | writeln!(f, " | {: ^5}", "res"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/simplex/structs.rs:201:13 [INFO] [stderr] | [INFO] [stderr] 201 | / writeln!( [INFO] [stderr] 202 | | f, [INFO] [stderr] 203 | | "{}: {:>6.3?} | {:.3}", [INFO] [stderr] 204 | | self.names.get(row).or(Some(&zero)).unwrap(), [INFO] [stderr] 205 | | v.0, [INFO] [stderr] 206 | | v.1 [INFO] [stderr] 207 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "08d1aec09e06b85d20aabf501ef6999bf349ce2e1be83114fdb9cc47d7125a5a"` [INFO] running `"docker" "rm" "-f" "08d1aec09e06b85d20aabf501ef6999bf349ce2e1be83114fdb9cc47d7125a5a"` [INFO] [stdout] 08d1aec09e06b85d20aabf501ef6999bf349ce2e1be83114fdb9cc47d7125a5a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Direnol/Simplex-Method:/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] 3a9bb8f34538009ce2c02f55a2078df7e1f704a0fb6387e5f0392447d41b9838 [INFO] running `"docker" "start" "-a" "3a9bb8f34538009ce2c02f55a2078df7e1f704a0fb6387e5f0392447d41b9838"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/rsimpl-7787eda212bddda7 [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/rsimpl-227cc680f453d5e1 [INFO] [stderr] Doc-tests rsimpl [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" "3a9bb8f34538009ce2c02f55a2078df7e1f704a0fb6387e5f0392447d41b9838"` [INFO] running `"docker" "rm" "-f" "3a9bb8f34538009ce2c02f55a2078df7e1f704a0fb6387e5f0392447d41b9838"` [INFO] [stdout] 3a9bb8f34538009ce2c02f55a2078df7e1f704a0fb6387e5f0392447d41b9838