[INFO] updating cached repository https://github.com/bellskinling/rust_big_number [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a820d69fd7f61e7c4b02f4aaefa206527030107c [INFO] testing bellskinling/rust_big_number against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbellskinling%2Frust_big_number" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bellskinling/rust_big_number on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bellskinling/rust_big_number [INFO] finished tweaking git repo https://github.com/bellskinling/rust_big_number [INFO] tweaked toml for git repo https://github.com/bellskinling/rust_big_number written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/bellskinling/rust_big_number already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3de7cf39d55223a5c926e29ea6f8fdd97ed56094cdde8542fd8edccc8bc5a7c4 [INFO] running `"docker" "start" "-a" "3de7cf39d55223a5c926e29ea6f8fdd97ed56094cdde8542fd8edccc8bc5a7c4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling big_number v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:23:30 [INFO] [stderr] | [INFO] [stderr] 23 | pub type BigNumberRevIterMut<'_> = iter::Take>>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:24:27 [INFO] [stderr] | [INFO] [stderr] 24 | pub type BigNumberRevIter<'_> = iter::Take>>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:26:27 [INFO] [stderr] | [INFO] [stderr] 26 | pub type BigNumberIterMut<'_> = iter::Take>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:27:24 [INFO] [stderr] | [INFO] [stderr] 27 | pub type BigNumberIter<'_> = iter::Take>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/big_number_core/big_number.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `from_digit`, `pow10`, `to_base_length`, `to_digit` [INFO] [stderr] --> src/big_number_core/big_number.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | use super::tools::{to_base_length, from_digit, to_digit, pow10}; [INFO] [stderr] | ^^^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/big_number_core/tools.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::big_number::BigNumber` [INFO] [stderr] --> src/big_number_core/tools.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use super::big_number::BigNumber; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::big_number::Sign` [INFO] [stderr] --> src/big_number_core/tools.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use super::big_number::Sign; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:23:83 [INFO] [stderr] | [INFO] [stderr] 23 | pub type BigNumberRevIterMut<'_> = iter::Take>>>; [INFO] [stderr] | ^^ expected named lifetime parameter [INFO] [stderr] | [INFO] [stderr] help: consider introducing a named lifetime parameter [INFO] [stderr] | [INFO] [stderr] 23 | pub type BigNumberRevIterMut<'a, '_> = iter::Take>>>; [INFO] [stderr] | ^^^ ^^ [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:24:77 [INFO] [stderr] | [INFO] [stderr] 24 | pub type BigNumberRevIter<'_> = iter::Take>>>; [INFO] [stderr] | ^^ expected named lifetime parameter [INFO] [stderr] | [INFO] [stderr] help: consider introducing a named lifetime parameter [INFO] [stderr] | [INFO] [stderr] 24 | pub type BigNumberRevIter<'a, '_> = iter::Take>>>; [INFO] [stderr] | ^^^ ^^ [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:26:70 [INFO] [stderr] | [INFO] [stderr] 26 | pub type BigNumberIterMut<'_> = iter::Take>>; [INFO] [stderr] | ^^ expected named lifetime parameter [INFO] [stderr] | [INFO] [stderr] help: consider introducing a named lifetime parameter [INFO] [stderr] | [INFO] [stderr] 26 | pub type BigNumberIterMut<'a, '_> = iter::Take>>; [INFO] [stderr] | ^^^ ^^ [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | pub type BigNumberIter<'_> = iter::Take>>; [INFO] [stderr] | ^^ expected named lifetime parameter [INFO] [stderr] | [INFO] [stderr] help: consider introducing a named lifetime parameter [INFO] [stderr] | [INFO] [stderr] 27 | pub type BigNumberIter<'a, '_> = iter::Take>>; [INFO] [stderr] | ^^^ ^^ [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter in function call due to conflicting requirements [INFO] [stderr] --> src/big_number_core/big_number.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | self.buffer.iter().skip(pos).take(len) [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 146:5... [INFO] [stderr] --> src/big_number_core/big_number.rs:146:5 [INFO] [stderr] | [INFO] [stderr] 146 | / pub fn get_iter(&mut self, pos: usize, len: usize) -> BigNumberIter { [INFO] [stderr] 147 | | self.buffer.iter().skip(pos).take(len) [INFO] [stderr] 148 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/big_number_core/big_number.rs:147:9 [INFO] [stderr] | [INFO] [stderr] 147 | self.buffer.iter().skip(pos).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/big_number_core/big_number.rs:147:9 [INFO] [stderr] | [INFO] [stderr] 147 | self.buffer.iter().skip(pos).take(len) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `std::iter::Take>>` [INFO] [stderr] found `std::iter::Take>>` [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter in function call due to conflicting requirements [INFO] [stderr] --> src/big_number_core/big_number.rs:151:9 [INFO] [stderr] | [INFO] [stderr] 151 | self.buffer.iter_mut().skip(pos).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 150:5... [INFO] [stderr] --> src/big_number_core/big_number.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | / pub fn get_iter_mut(&mut self, pos: usize, len: usize) -> BigNumberIterMut { [INFO] [stderr] 151 | | self.buffer.iter_mut().skip(pos).take(len) [INFO] [stderr] 152 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/big_number_core/big_number.rs:151:9 [INFO] [stderr] | [INFO] [stderr] 151 | self.buffer.iter_mut().skip(pos).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/big_number_core/big_number.rs:151:9 [INFO] [stderr] | [INFO] [stderr] 151 | self.buffer.iter_mut().skip(pos).take(len) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `std::iter::Take>>` [INFO] [stderr] found `std::iter::Take>>` [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter in function call due to conflicting requirements [INFO] [stderr] --> src/big_number_core/big_number.rs:155:21 [INFO] [stderr] | [INFO] [stderr] 155 | self.buffer.iter().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 154:5... [INFO] [stderr] --> src/big_number_core/big_number.rs:154:5 [INFO] [stderr] | [INFO] [stderr] 154 | / pub fn get_iter_rev(&self, pos: usize, len: usize) -> BigNumberRevIter { [INFO] [stderr] 155 | | self.buffer.iter().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] 156 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/big_number_core/big_number.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | self.buffer.iter().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/big_number_core/big_number.rs:155:9 [INFO] [stderr] | [INFO] [stderr] 155 | self.buffer.iter().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `std::iter::Take>>>` [INFO] [stderr] found `std::iter::Take>>>` [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter in function call due to conflicting requirements [INFO] [stderr] --> src/big_number_core/big_number.rs:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | self.buffer.iter_mut().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 158:5... [INFO] [stderr] --> src/big_number_core/big_number.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | / pub fn get_iter_rev_mut(&mut self, pos: usize, len: usize) -> BigNumberRevIterMut { [INFO] [stderr] 159 | | self.buffer.iter_mut().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] 160 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/big_number_core/big_number.rs:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | self.buffer.iter_mut().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/big_number_core/big_number.rs:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | self.buffer.iter_mut().rev().skip(self.buffer.len() - pos - 1).take(len) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `std::iter::Take>>>` [INFO] [stderr] found `std::iter::Take>>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 12 previous errors; 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0106, E0495, E0637. [INFO] [stderr] For more information about an error, try `rustc --explain E0106`. [INFO] [stderr] error: could not compile `big_number`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3de7cf39d55223a5c926e29ea6f8fdd97ed56094cdde8542fd8edccc8bc5a7c4"` [INFO] running `"docker" "rm" "-f" "3de7cf39d55223a5c926e29ea6f8fdd97ed56094cdde8542fd8edccc8bc5a7c4"` [INFO] [stdout] 3de7cf39d55223a5c926e29ea6f8fdd97ed56094cdde8542fd8edccc8bc5a7c4