[INFO] crate chao 0.1.0 is already in cache [INFO] testing chao-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate chao 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate chao 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate chao 0.1.0 [INFO] finished tweaking crates.io crate chao 0.1.0 [INFO] tweaked toml for crates.io crate chao 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] abd495468ab949e99c76fcacc6d2e0ca1450ad300055e3070686c2451aa59b6c [INFO] running `"docker" "start" "-a" "abd495468ab949e99c76fcacc6d2e0ca1450ad300055e3070686c2451aa59b6c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Compiling encode_unicode v0.1.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling rustyline v1.0.0 [INFO] [stderr] Compiling libchao v0.1.0 [INFO] [stderr] error[E0425]: cannot find value `rest` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stderr] | [INFO] [stderr] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `rest` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:122:33 [INFO] [stderr] | [INFO] [stderr] 122 | for expr in rest.iter() { [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `rest` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:132:36 [INFO] [stderr] | [INFO] [stderr] 132 | self.bind_args(rest.to_vec(), arg_names.clone()); [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stderr] | [INFO] [stderr] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:31 [INFO] [stderr] | [INFO] [stderr] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stderr] | [INFO] [stderr] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:31 [INFO] [stderr] | [INFO] [stderr] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stderr] | [INFO] [stderr] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `tail` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:36 [INFO] [stderr] | [INFO] [stderr] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stderr] | ^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: half-open range patterns are unstable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stderr] | [INFO] [stderr] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #67264 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: half-open range patterns are unstable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stderr] | [INFO] [stderr] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #67264 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: half-open range patterns are unstable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stderr] | [INFO] [stderr] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #67264 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: half-open range patterns are unstable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stderr] | [INFO] [stderr] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #67264 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stderr] | [INFO] [stderr] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #37854 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stderr] | [INFO] [stderr] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #37854 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stderr] | [INFO] [stderr] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #37854 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stderr] | [INFO] [stderr] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #37854 for more information [INFO] [stderr] [INFO] [stderr] error: aborting due to 18 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0554, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `libchao`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "abd495468ab949e99c76fcacc6d2e0ca1450ad300055e3070686c2451aa59b6c"` [INFO] running `"docker" "rm" "-f" "abd495468ab949e99c76fcacc6d2e0ca1450ad300055e3070686c2451aa59b6c"` [INFO] [stdout] abd495468ab949e99c76fcacc6d2e0ca1450ad300055e3070686c2451aa59b6c