[INFO] cloning repository https://github.com/dericgf92/rust_bluetooth_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dericgf92/rust_bluetooth_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdericgf92%2Frust_bluetooth_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdericgf92%2Frust_bluetooth_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 020801df27ae64dcd6772a278e62678dc2de731b [INFO] checking dericgf92/rust_bluetooth_server against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdericgf92%2Frust_bluetooth_server" "/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/dericgf92/rust_bluetooth_server on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dericgf92/rust_bluetooth_server [INFO] finished tweaking git repo https://github.com/dericgf92/rust_bluetooth_server [INFO] tweaked toml for git repo https://github.com/dericgf92/rust_bluetooth_server written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/dericgf92/rust_bluetooth_server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial v0.0.5 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcc439ff28f1549e8f03478d212738ba2306e699c750fad9c509c874d98447c6 [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" "fcc439ff28f1549e8f03478d212738ba2306e699c750fad9c509c874d98447c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcc439ff28f1549e8f03478d212738ba2306e699c750fad9c509c874d98447c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcc439ff28f1549e8f03478d212738ba2306e699c750fad9c509c874d98447c6", kill_on_drop: false }` [INFO] [stdout] fcc439ff28f1549e8f03478d212738ba2306e699c750fad9c509c874d98447c6 [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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f3ae672bea59a0b6f9b2285b1c2f8d8eb92d9d685d2f8b7df74d2840dbb2fec [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" "5f3ae672bea59a0b6f9b2285b1c2f8d8eb92d9d685d2f8b7df74d2840dbb2fec", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Compiling standback v0.2.13 [INFO] [stderr] Compiling time v0.2.23 [INFO] [stderr] Checking termios v0.0.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking serial v0.0.5 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking ser_test v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | try!(port.configure(|settings| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | try!(port.read(&mut buf[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | try!(port.configure(|settings| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | try!(port.read(&mut buf[..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | port.set_timeout(Duration::milliseconds(25000)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `time::duration::Duration`, found struct `time::Duration` [INFO] [stdout] | [INFO] [stdout] = note: perhaps two different versions of crate `time` are being used? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | port.set_timeout(Duration::milliseconds(25000)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `time::duration::Duration`, found struct `time::Duration` [INFO] [stdout] | [INFO] [stdout] = note: perhaps two different versions of crate `time` are being used? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 37 | / loop { [INFO] [stdout] 38 | | //println!("writing bytes"); [INFO] [stdout] 39 | | //try!(port.write(&b)); [INFO] [stdout] 40 | | [INFO] [stdout] ... | [INFO] [stdout] 44 | | println!("{:?}", buf); [INFO] [stdout] 45 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 46 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 37 | / loop { [INFO] [stdout] 38 | | //println!("writing bytes"); [INFO] [stdout] 39 | | //try!(port.write(&b)); [INFO] [stdout] 40 | | [INFO] [stdout] ... | [INFO] [stdout] 44 | | println!("{:?}", buf); [INFO] [stdout] 45 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 46 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ser_test` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5f3ae672bea59a0b6f9b2285b1c2f8d8eb92d9d685d2f8b7df74d2840dbb2fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f3ae672bea59a0b6f9b2285b1c2f8d8eb92d9d685d2f8b7df74d2840dbb2fec", kill_on_drop: false }` [INFO] [stdout] 5f3ae672bea59a0b6f9b2285b1c2f8d8eb92d9d685d2f8b7df74d2840dbb2fec