[INFO] fetching crate chao 0.1.0... [INFO] checking chao-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate chao 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate chao 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libchao v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e4f5b1943e4e01dadce214e0d58c306d0a6f5e18d8b5335bcc768436bb81748 [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" "1e4f5b1943e4e01dadce214e0d58c306d0a6f5e18d8b5335bcc768436bb81748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e4f5b1943e4e01dadce214e0d58c306d0a6f5e18d8b5335bcc768436bb81748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e4f5b1943e4e01dadce214e0d58c306d0a6f5e18d8b5335bcc768436bb81748", kill_on_drop: false }` [INFO] [stdout] 1e4f5b1943e4e01dadce214e0d58c306d0a6f5e18d8b5335bcc768436bb81748 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae7570c0d8d2c48855916e35b437ec81236b18a540f5e2d325642bf2a5af8145 [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" "ae7570c0d8d2c48855916e35b437ec81236b18a540f5e2d325642bf2a5af8145", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking libchao v0.1.0 [INFO] [stdout] error[E0425]: cannot find value `rest` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `rest` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:122:33 [INFO] [stdout] | [INFO] [stdout] 122 | for expr in rest.iter() { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `rest` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:132:36 [INFO] [stdout] | [INFO] [stdout] 132 | self.bind_args(rest.to_vec(), arg_names.clone()); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:31 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:31 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `tail` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:36 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] = help: add `#![feature(half_open_range_patterns)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] = help: add `#![feature(half_open_range_patterns)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] = help: add `#![feature(half_open_range_patterns)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: half-open range patterns are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #67264 for more information [INFO] [stdout] = help: add `#![feature(half_open_range_patterns)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 118 | [expr, rest..] => match self.eval(expr) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] = help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 177 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc - x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] = help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:197:20 [INFO] [stdout] | [INFO] [stdout] 197 | [head, tail..] => tail.iter().fold(head.clone(), |acc, x| acc / x.clone()), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] = help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: exclusive range pattern syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libchao-0.1.0/src/env.rs:224:20 [INFO] [stdout] | [INFO] [stdout] 224 | [head, tail..] => Bool(tail.iter().all(|ref x| *x == head)), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #37854 for more information [INFO] [stdout] = help: add `#![feature(exclusive_range_pattern)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 17 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libchao` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "ae7570c0d8d2c48855916e35b437ec81236b18a540f5e2d325642bf2a5af8145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae7570c0d8d2c48855916e35b437ec81236b18a540f5e2d325642bf2a5af8145", kill_on_drop: false }` [INFO] [stdout] ae7570c0d8d2c48855916e35b437ec81236b18a540f5e2d325642bf2a5af8145