[INFO] updating cached repository https://github.com/ben0x539/twif [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] 87c35f915ea49fd97c8b4cf9b55ba5a8c61bd9b0 [INFO] testing ben0x539/twif against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben0x539/twif on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ben0x539/twif [INFO] finished tweaking git repo https://github.com/ben0x539/twif [INFO] tweaked toml for git repo https://github.com/ben0x539/twif written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ben0x539/twif already has a lockfile, it will not be regenerated [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] 7c8e08a2dd5bb00e3c8b9009d2db3f57fb95ef691e81cd310693e8d0de319b33 [INFO] running `"docker" "start" "-a" "7c8e08a2dd5bb00e3c8b9009d2db3f57fb95ef691e81cd310693e8d0de319b33"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling eyre v0.3.0 [INFO] [stderr] Compiling indenter v0.1.1 [INFO] [stderr] Compiling paw-raw v1.0.0 [INFO] [stderr] Compiling tracing-core v0.1.10 [INFO] [stderr] Compiling sharded-slab v0.0.8 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling aho-corasick v0.7.9 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling trackable_derive v0.1.3 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Compiling spandoc v0.1.2 [INFO] [stderr] Compiling paw v1.0.0 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling hls_m3u8 v0.2.1 [INFO] [stderr] Compiling tokio v0.2.11 [INFO] [stderr] Compiling tracing v0.1.13 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling tracing-futures v0.2.3 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.2.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling hyper v0.13.2 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling tracing-serde v0.1.0 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling tracing-subscriber v0.2.1 [INFO] [stderr] Compiling reqwest v0.10.3 [INFO] [stderr] Compiling tracing-error v0.1.1 [INFO] [stderr] Compiling twif v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 140 | / loop { [INFO] [stderr] 141 | | let n = child_output.read(&mut buf).await?; [INFO] [stderr] 142 | | if n <= 0 { [INFO] [stderr] 143 | | continue; [INFO] [stderr] ... | [INFO] [stderr] 158 | | } [INFO] [stderr] 159 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 160 | Ok::<_, eyre::ErrReport>(()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 23s [INFO] running `"docker" "inspect" "7c8e08a2dd5bb00e3c8b9009d2db3f57fb95ef691e81cd310693e8d0de319b33"` [INFO] running `"docker" "rm" "-f" "7c8e08a2dd5bb00e3c8b9009d2db3f57fb95ef691e81cd310693e8d0de319b33"` [INFO] [stdout] 7c8e08a2dd5bb00e3c8b9009d2db3f57fb95ef691e81cd310693e8d0de319b33 [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" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dd2d6f9e2056e3432ca6918d2e4f80ebc44c142258b330b9f48d8abc56574cee [INFO] running `"docker" "start" "-a" "dd2d6f9e2056e3432ca6918d2e4f80ebc44c142258b330b9f48d8abc56574cee"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling twif v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 140 | / loop { [INFO] [stderr] 141 | | let n = child_output.read(&mut buf).await?; [INFO] [stderr] 142 | | if n <= 0 { [INFO] [stderr] 143 | | continue; [INFO] [stderr] ... | [INFO] [stderr] 158 | | } [INFO] [stderr] 159 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 160 | Ok::<_, eyre::ErrReport>(()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `"docker" "inspect" "dd2d6f9e2056e3432ca6918d2e4f80ebc44c142258b330b9f48d8abc56574cee"` [INFO] running `"docker" "rm" "-f" "dd2d6f9e2056e3432ca6918d2e4f80ebc44c142258b330b9f48d8abc56574cee"` [INFO] [stdout] dd2d6f9e2056e3432ca6918d2e4f80ebc44c142258b330b9f48d8abc56574cee [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" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1d815202023663bcd80947344e2fdcfb41d38854791711d3e10a336f017c6711 [INFO] running `"docker" "start" "-a" "1d815202023663bcd80947344e2fdcfb41d38854791711d3e10a336f017c6711"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 140 | / loop { [INFO] [stderr] 141 | | let n = child_output.read(&mut buf).await?; [INFO] [stderr] 142 | | if n <= 0 { [INFO] [stderr] 143 | | continue; [INFO] [stderr] ... | [INFO] [stderr] 158 | | } [INFO] [stderr] 159 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 160 | Ok::<_, eyre::ErrReport>(()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twif-10fb8926bab22458 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "1d815202023663bcd80947344e2fdcfb41d38854791711d3e10a336f017c6711"` [INFO] running `"docker" "rm" "-f" "1d815202023663bcd80947344e2fdcfb41d38854791711d3e10a336f017c6711"` [INFO] [stdout] 1d815202023663bcd80947344e2fdcfb41d38854791711d3e10a336f017c6711