[INFO] cloning repository https://github.com/9999years/concat_strs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9999years/concat_strs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fconcat_strs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fconcat_strs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10e280f740476fd5b08ae0ce0381a56aba2ffc3b [INFO] testing 9999years/concat_strs against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fconcat_strs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/9999years/concat_strs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/9999years/concat_strs [INFO] finished tweaking git repo https://github.com/9999years/concat_strs [INFO] tweaked toml for git repo https://github.com/9999years/concat_strs written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/9999years/concat_strs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 1417f80928ca1592ee9aa9f8425d1f7eba65c2c19ebe06d7fc15af64d9225e9d [INFO] running `Command { std: "docker" "start" "-a" "1417f80928ca1592ee9aa9f8425d1f7eba65c2c19ebe06d7fc15af64d9225e9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1417f80928ca1592ee9aa9f8425d1f7eba65c2c19ebe06d7fc15af64d9225e9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1417f80928ca1592ee9aa9f8425d1f7eba65c2c19ebe06d7fc15af64d9225e9d", kill_on_drop: false }` [INFO] [stdout] 1417f80928ca1592ee9aa9f8425d1f7eba65c2c19ebe06d7fc15af64d9225e9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 151e466d3cfc2694389e1aaf201a230cfd04160bbd6fb47155d89f942f264fe9 [INFO] running `Command { std: "docker" "start" "-a" "151e466d3cfc2694389e1aaf201a230cfd04160bbd6fb47155d89f942f264fe9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir/impl) [INFO] [stderr] Compiling concat_strs v1.0.3 (/opt/rustwide/workdir/decl) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.17s [INFO] running `Command { std: "docker" "inspect" "151e466d3cfc2694389e1aaf201a230cfd04160bbd6fb47155d89f942f264fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "151e466d3cfc2694389e1aaf201a230cfd04160bbd6fb47155d89f942f264fe9", kill_on_drop: false }` [INFO] [stdout] 151e466d3cfc2694389e1aaf201a230cfd04160bbd6fb47155d89f942f264fe9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 029fa8d534207575c0dab1df9cb06b5911021dac80d56e2e37e164c115fac529 [INFO] running `Command { std: "docker" "start" "-a" "029fa8d534207575c0dab1df9cb06b5911021dac80d56e2e37e164c115fac529", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling oorandom v11.1.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir/impl) [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling criterion-plot v0.4.2 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.3.2 [INFO] [stderr] Compiling concat_strs v1.0.3 (/opt/rustwide/workdir/decl) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 05s [INFO] [stderr] Executable unittests lib.rs (/opt/rustwide/target/debug/deps/concat_strs-180fbc14a42671df) [INFO] [stderr] Executable tests/main.rs (/opt/rustwide/target/debug/deps/main-5465016bfcb26f57) [INFO] [stderr] Executable unittests lib.rs (/opt/rustwide/target/debug/deps/concat_strs_impl-b3587ef555e7367b) [INFO] running `Command { std: "docker" "inspect" "029fa8d534207575c0dab1df9cb06b5911021dac80d56e2e37e164c115fac529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "029fa8d534207575c0dab1df9cb06b5911021dac80d56e2e37e164c115fac529", kill_on_drop: false }` [INFO] [stdout] 029fa8d534207575c0dab1df9cb06b5911021dac80d56e2e37e164c115fac529 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 5d7ba422ec500f9e7e65c777164c506a32052c07766853bd416bf24f27f5b7e1 [INFO] running `Command { std: "docker" "start" "-a" "5d7ba422ec500f9e7e65c777164c506a32052c07766853bd416bf24f27f5b7e1", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests lib.rs (/opt/rustwide/target/debug/deps/concat_strs-180fbc14a42671df) [INFO] [stderr] Running tests/main.rs (/opt/rustwide/target/debug/deps/main-5465016bfcb26f57) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test simple ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests lib.rs (/opt/rustwide/target/debug/deps/concat_strs_impl-b3587ef555e7367b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests concat_strs [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lib.rs - concat_strs (line 41) ... ok [INFO] [stdout] test lib.rs - concat_strs (line 27) ... ok [INFO] [stdout] test lib.rs - (line 6) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s [INFO] [stdout] [INFO] [stderr] Doc-tests concat_strs_impl [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d7ba422ec500f9e7e65c777164c506a32052c07766853bd416bf24f27f5b7e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7ba422ec500f9e7e65c777164c506a32052c07766853bd416bf24f27f5b7e1", kill_on_drop: false }` [INFO] [stdout] 5d7ba422ec500f9e7e65c777164c506a32052c07766853bd416bf24f27f5b7e1