[INFO] cloning repository https://github.com/Nukesor/debug [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nukesor/debug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a00fe15e398b8dd0fb7ae674a3009f2a03f0b575 [INFO] checking Nukesor/debug against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug" "/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/Nukesor/debug on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nukesor/debug [INFO] finished tweaking git repo https://github.com/Nukesor/debug [INFO] tweaked toml for git repo https://github.com/Nukesor/debug written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Nukesor/debug already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.35 [INFO] [stderr] Downloaded futures-lite v1.11.2 [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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d549ad0c111a05ebd1c76fab62f42c38367dc01c9f318dae49bd4cf2cabee5dc [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" "d549ad0c111a05ebd1c76fab62f42c38367dc01c9f318dae49bd4cf2cabee5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d549ad0c111a05ebd1c76fab62f42c38367dc01c9f318dae49bd4cf2cabee5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d549ad0c111a05ebd1c76fab62f42c38367dc01c9f318dae49bd4cf2cabee5dc", kill_on_drop: false }` [INFO] [stdout] d549ad0c111a05ebd1c76fab62f42c38367dc01c9f318dae49bd4cf2cabee5dc [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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--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] a8e585acd3e38c435d442bc64c486888df79e64afedc04f2fb2412d76e708607 [INFO] running `Command { std: "docker" "start" "-a" "a8e585acd3e38c435d442bc64c486888df79e64afedc04f2fb2412d76e708607", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] proc-macro2 v1.0.24 (as host dependency): default [INFO] [stderr] syn v1.0.54 (as host dependency): visit [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling ring v0.16.19 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking rustls v0.19.0 [INFO] [stderr] Checking webpki-roots v0.21.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking async-tls v0.11.0 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking async-std v1.8.0 [INFO] [stderr] Checking debug v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/server.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/client.rs from 2018 edition to 2021 [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 29 | / loop { [INFO] [stdout] 30 | | let (stream, _) = tcp_listener [INFO] [stdout] 31 | | .accept() [INFO] [stdout] 32 | | .await [INFO] [stdout] ... | [INFO] [stdout] 42 | | }; [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 44 | [INFO] [stdout] 45 | Ok(()) [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] Fixed src/client.rs (1 fix) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 29 | / loop { [INFO] [stdout] 30 | | let (stream, _) = tcp_listener [INFO] [stdout] 31 | | .accept() [INFO] [stdout] 32 | | .await [INFO] [stdout] ... | [INFO] [stdout] 42 | | }; [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 44 | [INFO] [stdout] 45 | Ok(()) [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 33.90s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking async-std v1.8.0 [INFO] [stderr] Checking debug v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 29 | / loop { [INFO] [stdout] 30 | | let (stream, _) = tcp_listener [INFO] [stdout] 31 | | .accept() [INFO] [stdout] 32 | | .await [INFO] [stdout] ... | [INFO] [stdout] 42 | | }; [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 44 | [INFO] [stdout] 45 | Ok(()) [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/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 29 | / loop { [INFO] [stdout] 30 | | let (stream, _) = tcp_listener [INFO] [stdout] 31 | | .accept() [INFO] [stdout] 32 | | .await [INFO] [stdout] ... | [INFO] [stdout] 42 | | }; [INFO] [stdout] 43 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 44 | [INFO] [stdout] 45 | Ok(()) [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 13.36s [INFO] running `Command { std: "docker" "inspect" "a8e585acd3e38c435d442bc64c486888df79e64afedc04f2fb2412d76e708607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8e585acd3e38c435d442bc64c486888df79e64afedc04f2fb2412d76e708607", kill_on_drop: false }` [INFO] [stdout] a8e585acd3e38c435d442bc64c486888df79e64afedc04f2fb2412d76e708607