[INFO] cloning repository https://github.com/kgtkr/regex-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/regex-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fregex-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fregex-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1f3b0515afbee3a37f755ea2c9af759531fb3f1 [INFO] testing kgtkr/regex-rs against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fregex-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kgtkr/regex-rs on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kgtkr/regex-rs [INFO] finished tweaking git repo https://github.com/kgtkr/regex-rs [INFO] tweaked toml for git repo https://github.com/kgtkr/regex-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/kgtkr/regex-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b955cd9fa8ca8e6d15e383f029aa0a9ec34fb665f2cdd02ceb212e2a8930063e [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" "b955cd9fa8ca8e6d15e383f029aa0a9ec34fb665f2cdd02ceb212e2a8930063e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b955cd9fa8ca8e6d15e383f029aa0a9ec34fb665f2cdd02ceb212e2a8930063e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b955cd9fa8ca8e6d15e383f029aa0a9ec34fb665f2cdd02ceb212e2a8930063e", kill_on_drop: false }` [INFO] [stdout] b955cd9fa8ca8e6d15e383f029aa0a9ec34fb665f2cdd02ceb212e2a8930063e [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] c511ccad8e836c8d867759e7ca434fae00cd98f4a4b1259bfd9633e8e21f7f0b [INFO] running `Command { std: "docker" "start" "-a" "c511ccad8e836c8d867759e7ca434fae00cd98f4a4b1259bfd9633e8e21f7f0b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling ascii v1.0.0 [INFO] [stderr] Compiling combine v4.0.0-beta.1 [INFO] [stderr] Compiling regex-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `match_expr` [INFO] [stdout] --> src/interpreter.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn match_expr(pat: &Expr, s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `match_helper` [INFO] [stdout] --> src/interpreter.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn match_helper(s: &Vec, i: usize, pat: &Expr) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_expr` [INFO] [stdout] --> src/parser.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn parse_expr(s: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(maybe_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.87s [INFO] running `Command { std: "docker" "inspect" "c511ccad8e836c8d867759e7ca434fae00cd98f4a4b1259bfd9633e8e21f7f0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c511ccad8e836c8d867759e7ca434fae00cd98f4a4b1259bfd9633e8e21f7f0b", kill_on_drop: false }` [INFO] [stdout] c511ccad8e836c8d867759e7ca434fae00cd98f4a4b1259bfd9633e8e21f7f0b [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] 93216d749bd6a026a5506e1425245b4966bb318dec7dd47cbf2d4b1427f5d9bc [INFO] running `Command { std: "docker" "start" "-a" "93216d749bd6a026a5506e1425245b4966bb318dec7dd47cbf2d4b1427f5d9bc", kill_on_drop: false }` [INFO] [stderr] Compiling regex-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(maybe_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "93216d749bd6a026a5506e1425245b4966bb318dec7dd47cbf2d4b1427f5d9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93216d749bd6a026a5506e1425245b4966bb318dec7dd47cbf2d4b1427f5d9bc", kill_on_drop: false }` [INFO] [stdout] 93216d749bd6a026a5506e1425245b4966bb318dec7dd47cbf2d4b1427f5d9bc [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d37fe3b36c006f90e1cfdbafe85558c665cf1412e59dfaa13098be17d3f1def7 [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" "d37fe3b36c006f90e1cfdbafe85558c665cf1412e59dfaa13098be17d3f1def7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stdout] test parser::test ... ok [INFO] [stderr] | [INFO] [stdout] test test ... ok [INFO] [stderr] 1 | #![feature(maybe_uninit)] [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/regex_rs-0ad78352eb03fd52) [INFO] running `Command { std: "docker" "inspect" "d37fe3b36c006f90e1cfdbafe85558c665cf1412e59dfaa13098be17d3f1def7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37fe3b36c006f90e1cfdbafe85558c665cf1412e59dfaa13098be17d3f1def7", kill_on_drop: false }` [INFO] [stdout] d37fe3b36c006f90e1cfdbafe85558c665cf1412e59dfaa13098be17d3f1def7