[INFO] updating cached repository https://github.com/mhazoglou/complex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] [stderr] From https://github.com/mhazoglou/complex [INFO] [stderr] f6219db..046668d master -> master [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 046668d53ccca24109b36045f68789128333877f [INFO] checking mhazoglou/complex against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2Fcomplex" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhazoglou/complex on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mhazoglou/complex [INFO] finished tweaking git repo https://github.com/mhazoglou/complex [INFO] tweaked toml for git repo https://github.com/mhazoglou/complex written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/mhazoglou/complex already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d599078b3d9dec79d6111ac5ce22f9f7e63ae886bb89fa2e6949d2f55592515f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d599078b3d9dec79d6111ac5ce22f9f7e63ae886bb89fa2e6949d2f55592515f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d599078b3d9dec79d6111ac5ce22f9f7e63ae886bb89fa2e6949d2f55592515f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d599078b3d9dec79d6111ac5ce22f9f7e63ae886bb89fa2e6949d2f55592515f", kill_on_drop: false }` [INFO] [stdout] d599078b3d9dec79d6111ac5ce22f9f7e63ae886bb89fa2e6949d2f55592515f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7cf3cb809635c716d70157117c1888104d9ef607a485414122ac06a660ca64b2 [INFO] running `Command { std: "docker" "start" "-a" "7cf3cb809635c716d70157117c1888104d9ef607a485414122ac06a660ca64b2", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking complex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | fn exp(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.exp() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | fn exp(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.exp() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | fn ln(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 73 | self.ln() [INFO] [stdout] | --------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | fn powf(&self, num: Self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 77 | self.powf(num) [INFO] [stdout] | -------------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:96:17 [INFO] [stdout] | [INFO] [stdout] 96 | fn powi(&self, num: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 97 | self.powi(num) [INFO] [stdout] | -------------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | fn exp(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.exp() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | fn exp(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.exp() [INFO] [stdout] | ---------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | fn ln(&self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 73 | self.ln() [INFO] [stdout] | --------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | fn powf(&self, num: Self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 77 | self.powf(num) [INFO] [stdout] | -------------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/fmt.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn type_of(_: &T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/lib.rs:96:17 [INFO] [stdout] | [INFO] [stdout] 96 | fn powi(&self, num: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 97 | self.powi(num) [INFO] [stdout] | -------------- recursive call site [INFO] [stdout] ... [INFO] [stdout] 190 | impl_functions_for_float!(f32, f64); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> tests/print_parse_tests.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let z = match "4b+1i".parse::>() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> tests/print_parse_tests.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let z = match "4b+1i".parse::>() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> tests/print_parse_tests.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | Err(err) => panic!("Didn't parse complex number correctly"), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/fmt.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn type_of(_: &T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.47s [INFO] running `Command { std: "docker" "inspect" "7cf3cb809635c716d70157117c1888104d9ef607a485414122ac06a660ca64b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf3cb809635c716d70157117c1888104d9ef607a485414122ac06a660ca64b2", kill_on_drop: false }` [INFO] [stdout] 7cf3cb809635c716d70157117c1888104d9ef607a485414122ac06a660ca64b2