[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] checking ben0x539/twif against try#8832a71d49053449d3904572ee8f2c79da2104ae for pr-95953
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben0x539%2Ftwif" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ben0x539/twif on toolchain 8832a71d49053449d3904572ee8f2c79da2104ae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "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-100/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" "+8832a71d49053449d3904572ee8f2c79da2104ae" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+8832a71d49053449d3904572ee8f2c79da2104ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69b34f5db659bb67ba2372d0c425c4e4ef94397157dbbe948ab6171df932779a
[INFO] running `Command { std: "docker" "start" "-a" "69b34f5db659bb67ba2372d0c425c4e4ef94397157dbbe948ab6171df932779a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b34f5db659bb67ba2372d0c425c4e4ef94397157dbbe948ab6171df932779a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b34f5db659bb67ba2372d0c425c4e4ef94397157dbbe948ab6171df932779a", kill_on_drop: false }`
[INFO] [stdout] 69b34f5db659bb67ba2372d0c425c4e4ef94397157dbbe948ab6171df932779a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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=forbid" "-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" "+8832a71d49053449d3904572ee8f2c79da2104ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59282682d0534fe5f4f011d00e0d56f3ecfa0a0414215d52a49be1aada6fe5ce
[INFO] running `Command { std: "docker" "start" "-a" "59282682d0534fe5f4f011d00e0d56f3ecfa0a0414215d52a49be1aada6fe5ce", 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 unicode-xid v0.2.0
[INFO] [stderr] Compiling syn v1.0.16
[INFO] [stderr] Compiling libc v0.2.67
[INFO] [stderr] Compiling autocfg v1.0.0
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Compiling log v0.4.8
[INFO] [stderr] Compiling memchr v2.3.3
[INFO] [stderr] Checking itoa v0.4.5
[INFO] [stderr] Checking slab v0.4.2
[INFO] [stderr] Compiling cc v1.0.50
[INFO] [stderr] Compiling pkg-config v0.3.17
[INFO] [stderr] Checking bytes v0.5.4
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Checking fnv v1.0.6
[INFO] [stderr] Compiling serde v1.0.104
[INFO] [stderr] Compiling version_check v0.9.1
[INFO] [stderr] Checking arc-swap v0.4.4
[INFO] [stderr] Checking futures-core v0.3.4
[INFO] [stderr] Checking pin-project-lite v0.1.4
[INFO] [stderr] Checking smallvec v1.2.0
[INFO] [stderr] Checking foreign-types-shared v0.1.1
[INFO] [stderr] Compiling openssl v0.10.28
[INFO] [stderr] Compiling proc-macro2 v0.4.30
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Compiling ryu v1.0.2
[INFO] [stderr] Checking futures-sink v0.3.4
[INFO] [stderr] Checking futures-task v0.3.4
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Compiling unicode-xid v0.1.0
[INFO] [stderr] Compiling httparse v1.3.4
[INFO] [stderr] Checking futures-io v0.3.4
[INFO] [stderr] Checking regex-syntax v0.6.14
[INFO] [stderr] Compiling native-tls v0.2.3
[INFO] [stderr] Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr] Checking ansi_term v0.11.0
[INFO] [stderr] Compiling syn v0.15.44
[INFO] [stderr] Checking utf8-ranges v1.0.4
[INFO] [stderr] Checking openssl-probe v0.1.2
[INFO] [stderr] Checking try-lock v0.2.2
[INFO] [stderr] Compiling unicode-segmentation v1.6.0
[INFO] [stderr] Checking tower-service v0.3.0
[INFO] [stderr] Compiling encoding_rs v0.8.22
[INFO] [stderr] Checking unicode-width v0.1.7
[INFO] [stderr] Checking percent-encoding v2.1.0
[INFO] [stderr] Checking vec_map v0.8.1
[INFO] [stderr] Compiling eyre v0.3.0
[INFO] [stderr] Checking dtoa v0.4.5
[INFO] [stderr] Checking mime v0.3.16
[INFO] [stderr] Checking strsim v0.8.0
[INFO] [stderr] Checking color_quant v1.0.1
[INFO] [stderr] Checking lzw v0.10.0
[INFO] [stderr] Checking base64 v0.11.0
[INFO] [stderr] Checking indenter v0.1.1
[INFO] [stderr] Checking paw-raw v1.0.0
[INFO] [stderr] Checking unicode-bidi v0.3.4
[INFO] [stderr] Checking foreign-types v0.3.2
[INFO] [stderr] Checking tracing-core v0.1.10
[INFO] [stderr] Checking thread_local v1.0.1
[INFO] [stderr] Checking sharded-slab v0.0.8
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Checking unicode-normalization v0.1.12
[INFO] [stderr] Compiling heck v0.3.1
[INFO] [stderr] Checking futures-channel v0.3.4
[INFO] [stderr] Checking http v0.2.0
[INFO] [stderr] Checking textwrap v0.11.0
[INFO] [stderr] Checking gif v0.10.3
[INFO] [stderr] Compiling num-traits v0.2.11
[INFO] [stderr] Compiling indexmap v1.3.2
[INFO] [stderr] Compiling num-integer v0.1.42
[INFO] [stderr] Compiling openssl-sys v0.9.54
[INFO] [stderr] Compiling quote v0.6.13
[INFO] [stderr] Compiling quote v1.0.2
[INFO] [stderr] Checking regex-automata v0.1.8
[INFO] [stderr] Checking futures-util v0.3.4
[INFO] [stderr] Checking aho-corasick v0.7.9
[INFO] [stderr] Checking want v0.3.0
[INFO] [stderr] Checking tracing-log v0.1.1
[INFO] [stderr] Checking iovec v0.1.4
[INFO] [stderr] Checking net2 v0.2.33
[INFO] [stderr] Checking signal-hook-registry v1.2.0
[INFO] [stderr] Checking num_cpus v1.12.0
[INFO] [stderr] Checking time v0.1.42
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking idna v0.2.0
[INFO] [stderr] Compiling mime_guess v2.0.1
[INFO] [stderr] Checking clap v2.33.0
[INFO] [stderr] Checking http-body v0.3.1
[INFO] [stderr] Checking matchers v0.0.1
[INFO] [stderr] Checking mio v0.6.21
[INFO] [stderr] Checking chrono v0.4.10
[INFO] [stderr] Checking url v2.1.1
[INFO] [stderr] Checking regex v1.3.4
[INFO] [stderr] Checking mio-uds v0.6.7
[INFO] [stderr] Compiling structopt-derive v0.2.18
[INFO] [stderr] Checking structopt v0.2.18
[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] Checking paw v1.0.0
[INFO] [stderr] Checking trackable v0.2.23
[INFO] [stderr] Checking tokio v0.2.11
[INFO] [stderr] Checking hls_m3u8 v0.2.1
[INFO] [stderr] Checking tracing v0.1.13
[INFO] [stderr] Checking pin-project v0.4.8
[INFO] [stderr] Checking tracing-futures v0.2.3
[INFO] [stderr] Checking tokio-util v0.2.0
[INFO] [stderr] Checking tokio-tls v0.3.0
[INFO] [stderr] Checking h2 v0.2.1
[INFO] [stderr] Checking hyper v0.13.2
[INFO] [stderr] Checking hyper-tls v0.4.1
[INFO] [stderr] Checking serde_json v1.0.48
[INFO] [stderr] Checking tracing-serde v0.1.0
[INFO] [stderr] Checking serde_urlencoded v0.6.1
[INFO] [stderr] Checking tracing-subscriber v0.2.1
[INFO] [stderr] Checking reqwest v0.10.3
[INFO] [stderr] Checking tracing-error v0.1.1
[INFO] [stderr] Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "59282682d0534fe5f4f011d00e0d56f3ecfa0a0414215d52a49be1aada6fe5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59282682d0534fe5f4f011d00e0d56f3ecfa0a0414215d52a49be1aada6fe5ce", kill_on_drop: false }`
[INFO] [stdout] 59282682d0534fe5f4f011d00e0d56f3ecfa0a0414215d52a49be1aada6fe5ce