[INFO] updating cached repository https://github.com/ben0x539/twif [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87c35f915ea49fd97c8b4cf9b55ba5a8c61bd9b0 [INFO] testing ben0x539/twif against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben0x539/twif on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-1/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bd9d8c0617e6ea763870437547032f3729e8995344bd8ce8e2a07d99c1c0cb4 [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" "5bd9d8c0617e6ea763870437547032f3729e8995344bd8ce8e2a07d99c1c0cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bd9d8c0617e6ea763870437547032f3729e8995344bd8ce8e2a07d99c1c0cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bd9d8c0617e6ea763870437547032f3729e8995344bd8ce8e2a07d99c1c0cb4", kill_on_drop: false }` [INFO] [stdout] 5bd9d8c0617e6ea763870437547032f3729e8995344bd8ce8e2a07d99c1c0cb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a1c0dc925e16211f620f0ea5fcd297e62584060c82a3fd251a1f89ec8d67946 [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" "1a1c0dc925e16211f620f0ea5fcd297e62584060c82a3fd251a1f89ec8d67946", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [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 unicode-normalization v0.1.12 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling aho-corasick v0.7.9 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling matchers v0.0.1 [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] [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 3m 36s [INFO] running `Command { std: "docker" "inspect" "1a1c0dc925e16211f620f0ea5fcd297e62584060c82a3fd251a1f89ec8d67946", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a1c0dc925e16211f620f0ea5fcd297e62584060c82a3fd251a1f89ec8d67946", kill_on_drop: false }` [INFO] [stdout] 1a1c0dc925e16211f620f0ea5fcd297e62584060c82a3fd251a1f89ec8d67946 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 862d00091f9b1717fb880d47995af174890317acd769063b9723929d51a3c5f7 [INFO] running `Command { std: "docker" "start" "-a" "862d00091f9b1717fb880d47995af174890317acd769063b9723929d51a3c5f7", kill_on_drop: false }` [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 2.66s [INFO] running `Command { std: "docker" "inspect" "862d00091f9b1717fb880d47995af174890317acd769063b9723929d51a3c5f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "862d00091f9b1717fb880d47995af174890317acd769063b9723929d51a3c5f7", kill_on_drop: false }` [INFO] [stdout] 862d00091f9b1717fb880d47995af174890317acd769063b9723929d51a3c5f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cec4b7631f44112d937f652fc1e2549033cec3edf9d485ba861e8d3ee3417639 [INFO] running `Command { std: "docker" "start" "-a" "cec4b7631f44112d937f652fc1e2549033cec3edf9d485ba861e8d3ee3417639", 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 0.34s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/twif-06c94e6fb8f4b064 [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 `Command { std: "docker" "inspect" "cec4b7631f44112d937f652fc1e2549033cec3edf9d485ba861e8d3ee3417639", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec4b7631f44112d937f652fc1e2549033cec3edf9d485ba861e8d3ee3417639", kill_on_drop: false }` [INFO] [stdout] cec4b7631f44112d937f652fc1e2549033cec3edf9d485ba861e8d3ee3417639