[INFO] updating cached repository https://github.com/archer884/otter [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] 7bce06d3678b2615182b2d0bcd42e1c9533ddfae [INFO] checking archer884/otter against master#08dfbfb61871a83f720c6e97a3b737076e89fe3e for pr-71796 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fotter" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/archer884/otter on toolchain 08dfbfb61871a83f720c6e97a3b737076e89fe3e [INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/archer884/otter [INFO] finished tweaking git repo https://github.com/archer884/otter [INFO] tweaked toml for git repo https://github.com/archer884/otter written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/archer884/otter already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1054a4c8d2efc1f62c89df47a862b5e141e7a9e837618599fb3c6efcbb3f7f3b [INFO] running `"docker" "start" "-a" "1054a4c8d2efc1f62c89df47a862b5e141e7a9e837618599fb3c6efcbb3f7f3b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking otter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:159:26 [INFO] [stderr] | [INFO] [stderr] 159 | letter @ b'a'...b'z' => Some(self.shift(letter - OFFSET) + OFFSET), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:159:26 [INFO] [stderr] | [INFO] [stderr] 159 | letter @ b'a'...b'z' => Some(self.shift(letter - OFFSET) + OFFSET), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.51s [INFO] running `"docker" "inspect" "1054a4c8d2efc1f62c89df47a862b5e141e7a9e837618599fb3c6efcbb3f7f3b"` [INFO] running `"docker" "rm" "-f" "1054a4c8d2efc1f62c89df47a862b5e141e7a9e837618599fb3c6efcbb3f7f3b"` [INFO] [stdout] 1054a4c8d2efc1f62c89df47a862b5e141e7a9e837618599fb3c6efcbb3f7f3b