[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 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben0x539/twif on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom v4.2.3 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.58 [INFO] [stderr] Downloaded web-sys v0.3.35 [INFO] [stderr] Downloaded pin-project v0.4.8 [INFO] [stderr] Downloaded wasm-bindgen v0.2.58 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.8 [INFO] [stderr] Downloaded cc v1.0.50 [INFO] [stderr] Downloaded mime_guess v2.0.1 [INFO] [stderr] Downloaded js-sys v0.3.35 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded signal-hook-registry v1.2.0 [INFO] [stderr] Downloaded native-tls v0.2.3 [INFO] [stderr] Downloaded security-framework v0.3.4 [INFO] [stderr] Downloaded socket2 v0.3.11 [INFO] [stderr] Downloaded openssl-sys v0.9.54 [INFO] [stderr] Downloaded tokio-util v0.2.0 [INFO] [stderr] Downloaded paw v1.0.0 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded arc-swap v0.4.4 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded hyper v0.13.2 [INFO] [stderr] Downloaded pin-project-lite v0.1.4 [INFO] [stderr] Downloaded tokio-macros v0.2.4 [INFO] [stderr] Downloaded mio-named-pipes v0.1.6 [INFO] [stderr] Downloaded structopt-derive v0.2.18 [INFO] [stderr] Downloaded structopt v0.2.18 [INFO] [stderr] Downloaded miow v0.3.3 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.58 [INFO] [stderr] Downloaded anyhow v1.0.26 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.58 [INFO] [stderr] Downloaded bumpalo v3.2.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.58 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded paw-attributes v1.0.2 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.58 [INFO] [stderr] Downloaded tracing-futures v0.2.3 [INFO] [stderr] Downloaded h2 v0.2.1 [INFO] [stderr] Downloaded security-framework-sys v0.3.3 [INFO] [stderr] Downloaded trackable_derive v0.1.3 [INFO] [stderr] Downloaded reqwest v0.10.3 [INFO] [stderr] Downloaded sourcefile v0.1.4 [INFO] [stderr] Downloaded vcpkg v0.2.8 [INFO] [stderr] Downloaded winreg v0.6.2 [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded openssl v0.10.28 [INFO] [stderr] Downloaded schannel v0.1.17 [INFO] [stderr] Downloaded http v0.2.0 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded paw-raw v1.0.0 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded trackable v0.2.23 [INFO] [stderr] Downloaded weedle v0.10.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded tokio-tls v0.3.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.8 [INFO] [stderr] Downloaded indenter v0.1.1 [INFO] [stderr] Downloaded tokio v0.2.11 [INFO] [stderr] Downloaded eyre v0.3.0 [INFO] [stderr] Downloaded hls_m3u8 v0.2.1 [INFO] [stderr] Downloaded encoding_rs v0.8.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4f194d7ff631817a5a62772999cad16ac125e75fd9510be038a4cc9c08dc9dc [INFO] running `Command { std: "docker" "start" "-a" "f4f194d7ff631817a5a62772999cad16ac125e75fd9510be038a4cc9c08dc9dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4f194d7ff631817a5a62772999cad16ac125e75fd9510be038a4cc9c08dc9dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4f194d7ff631817a5a62772999cad16ac125e75fd9510be038a4cc9c08dc9dc", kill_on_drop: false }` [INFO] [stdout] f4f194d7ff631817a5a62772999cad16ac125e75fd9510be038a4cc9c08dc9dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86ffee0557fd29f5266f2659c13d220a2b87ce90e728105f2f47f13b28e5633c [INFO] running `Command { std: "docker" "start" "-a" "86ffee0557fd29f5266f2659c13d220a2b87ce90e728105f2f47f13b28e5633c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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 pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling eyre v0.3.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling indenter v0.1.1 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling paw-raw v1.0.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling tracing-core v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling sharded-slab v0.0.8 [INFO] [stderr] Compiling aho-corasick v0.7.9 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [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 atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling http-body v0.3.1 [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 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 tokio v0.2.11 [INFO] [stderr] Compiling trackable v0.2.23 [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 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 27.04s [INFO] running `Command { std: "docker" "inspect" "86ffee0557fd29f5266f2659c13d220a2b87ce90e728105f2f47f13b28e5633c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86ffee0557fd29f5266f2659c13d220a2b87ce90e728105f2f47f13b28e5633c", kill_on_drop: false }` [INFO] [stdout] 86ffee0557fd29f5266f2659c13d220a2b87ce90e728105f2f47f13b28e5633c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18d25644ee4a4949248d3f33e24104ba3eb0447b0294cb3bd37bf383ca6e566a [INFO] running `Command { std: "docker" "start" "-a" "18d25644ee4a4949248d3f33e24104ba3eb0447b0294cb3bd37bf383ca6e566a", 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 1.71s [INFO] running `Command { std: "docker" "inspect" "18d25644ee4a4949248d3f33e24104ba3eb0447b0294cb3bd37bf383ca6e566a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18d25644ee4a4949248d3f33e24104ba3eb0447b0294cb3bd37bf383ca6e566a", kill_on_drop: false }` [INFO] [stdout] 18d25644ee4a4949248d3f33e24104ba3eb0447b0294cb3bd37bf383ca6e566a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 993f9d04a023ececac63b303c0499c969b7ad83c013dd7484d4df344345935c7 [INFO] running `Command { std: "docker" "start" "-a" "993f9d04a023ececac63b303c0499c969b7ad83c013dd7484d4df344345935c7", 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: `twif` (bin "twif" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/twif-f824fb3ae4dba9f5) [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" "993f9d04a023ececac63b303c0499c969b7ad83c013dd7484d4df344345935c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993f9d04a023ececac63b303c0499c969b7ad83c013dd7484d4df344345935c7", kill_on_drop: false }` [INFO] [stdout] 993f9d04a023ececac63b303c0499c969b7ad83c013dd7484d4df344345935c7