[INFO] cloning repository https://github.com/ben0x539/twif [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben0x539/twif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87c35f915ea49fd97c8b4cf9b55ba5a8c61bd9b0 [INFO] testing ben0x539/twif against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben0x539/twif on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/ben0x539/twif already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-futures v0.2.3 [INFO] [stderr] Downloaded paw v1.0.0 [INFO] [stderr] Downloaded schannel v0.1.17 [INFO] [stderr] Downloaded spandoc v0.1.2 [INFO] [stderr] Downloaded paw-raw v1.0.0 [INFO] [stderr] Downloaded hyper v0.13.2 [INFO] [stderr] Downloaded tokio-macros v0.2.4 [INFO] [stderr] Downloaded matchers v0.0.1 [INFO] [stderr] Downloaded pin-project-internal v0.4.8 [INFO] [stderr] Downloaded pin-project v0.4.8 [INFO] [stderr] Downloaded reqwest v0.10.3 [INFO] [stderr] Downloaded trackable_derive v0.1.3 [INFO] [stderr] Downloaded trackable v0.2.23 [INFO] [stderr] Downloaded sharded-slab v0.0.8 [INFO] [stderr] Downloaded tracing-serde v0.1.0 [INFO] [stderr] Downloaded tracing-log v0.1.1 [INFO] [stderr] Downloaded paw-attributes v1.0.2 [INFO] [stderr] Downloaded tokio v0.2.11 [INFO] [stderr] Downloaded tracing-attributes v0.1.7 [INFO] [stderr] Downloaded tracing v0.1.13 [INFO] [stderr] Downloaded aho-corasick v0.7.9 [INFO] [stderr] Downloaded tracing-error v0.1.1 [INFO] [stderr] Downloaded indenter v0.1.1 [INFO] [stderr] Downloaded eyre v0.3.0 [INFO] [stderr] Downloaded tracing-subscriber v0.2.1 [INFO] [stderr] Downloaded hls_m3u8 v0.2.1 [INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77214189e907fcac2edb414a0a6f398630662f25f792cc865ad1508a3ec427e7 [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" "77214189e907fcac2edb414a0a6f398630662f25f792cc865ad1508a3ec427e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77214189e907fcac2edb414a0a6f398630662f25f792cc865ad1508a3ec427e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77214189e907fcac2edb414a0a6f398630662f25f792cc865ad1508a3ec427e7", kill_on_drop: false }` [INFO] [stdout] 77214189e907fcac2edb414a0a6f398630662f25f792cc865ad1508a3ec427e7 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c14a886fdef4e6c657f96acd7df2c38a7e9de9b4a7b7d7ddda85e55d027cf1a9 [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" "c14a886fdef4e6c657f96acd7df2c38a7e9de9b4a7b7d7ddda85e55d027cf1a9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling eyre v0.3.0 [INFO] [stderr] Compiling paw-raw v1.0.0 [INFO] [stderr] Compiling indenter v0.1.1 [INFO] [stderr] Compiling tracing-core v0.1.10 [INFO] [stderr] Compiling sharded-slab v0.0.8 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.104 [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 tokio v0.2.11 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling paw v1.0.0 [INFO] [stderr] Compiling hls_m3u8 v0.2.1 [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 serde_json v1.0.48 [INFO] [stderr] Compiling tracing-serde v0.1.0 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling hyper-tls v0.4.1 [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] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 140 | / loop { [INFO] [stdout] 141 | | let n = child_output.read(&mut buf).await?; [INFO] [stdout] 142 | | if n <= 0 { [INFO] [stdout] 143 | | continue; [INFO] [stdout] ... | [INFO] [stdout] 158 | | } [INFO] [stdout] 159 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 160 | Ok::<_, eyre::ErrReport>(()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 29s [INFO] running `Command { std: "docker" "inspect" "c14a886fdef4e6c657f96acd7df2c38a7e9de9b4a7b7d7ddda85e55d027cf1a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c14a886fdef4e6c657f96acd7df2c38a7e9de9b4a7b7d7ddda85e55d027cf1a9", kill_on_drop: false }` [INFO] [stdout] c14a886fdef4e6c657f96acd7df2c38a7e9de9b4a7b7d7ddda85e55d027cf1a9 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2661f9702f19339c576d0b47d25edd5005f2f39bd2ee93a74c1904800be13c56 [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" "2661f9702f19339c576d0b47d25edd5005f2f39bd2ee93a74c1904800be13c56", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling twif v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 140 | / loop { [INFO] [stdout] 141 | | let n = child_output.read(&mut buf).await?; [INFO] [stdout] 142 | | if n <= 0 { [INFO] [stdout] 143 | | continue; [INFO] [stdout] ... | [INFO] [stdout] 158 | | } [INFO] [stdout] 159 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 160 | Ok::<_, eyre::ErrReport>(()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` 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 4.38s [INFO] running `Command { std: "docker" "inspect" "2661f9702f19339c576d0b47d25edd5005f2f39bd2ee93a74c1904800be13c56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2661f9702f19339c576d0b47d25edd5005f2f39bd2ee93a74c1904800be13c56", kill_on_drop: false }` [INFO] [stdout] 2661f9702f19339c576d0b47d25edd5005f2f39bd2ee93a74c1904800be13c56 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8bbcb69b9113090f5ed0d22fea26b4a3b25f32b1b301083924c8f58f2a9abf29 [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" "8bbcb69b9113090f5ed0d22fea26b4a3b25f32b1b301083924c8f58f2a9abf29", kill_on_drop: false }` [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 0.21s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twif-33853f240128d5ad [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" "8bbcb69b9113090f5ed0d22fea26b4a3b25f32b1b301083924c8f58f2a9abf29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bbcb69b9113090f5ed0d22fea26b4a3b25f32b1b301083924c8f58f2a9abf29", kill_on_drop: false }` [INFO] [stdout] 8bbcb69b9113090f5ed0d22fea26b4a3b25f32b1b301083924c8f58f2a9abf29