[INFO] updating cached repository https://github.com/diytronic/milcup [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] 2dbbefd880e3b51ec343acf28dd434b9b664e321 [INFO] testing diytronic/milcup against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiytronic%2Fmilcup" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/diytronic/milcup on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/diytronic/milcup [INFO] finished tweaking git repo https://github.com/diytronic/milcup [INFO] tweaked toml for git repo https://github.com/diytronic/milcup written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/diytronic/milcup already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b1a6d2986442e7ac5745084c9aa815c149e0e20922f60ce17f6b61bcecb53d6 [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" "2b1a6d2986442e7ac5745084c9aa815c149e0e20922f60ce17f6b61bcecb53d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b1a6d2986442e7ac5745084c9aa815c149e0e20922f60ce17f6b61bcecb53d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b1a6d2986442e7ac5745084c9aa815c149e0e20922f60ce17f6b61bcecb53d6", kill_on_drop: false }` [INFO] [stdout] 2b1a6d2986442e7ac5745084c9aa815c149e0e20922f60ce17f6b61bcecb53d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1722682cc52a82596c1db339a17f925114b029183d3eaead955cfb8a8dcaf2c6 [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" "1722682cc52a82596c1db339a17f925114b029183d3eaead955cfb8a8dcaf2c6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling ihex v1.1.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.5 [INFO] [stderr] Compiling structopt v0.3.12 [INFO] [stderr] Compiling milcup v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Error`, `anyhow` [INFO] [stdout] --> src/main.rs:8:31 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::{Context, Result, Error, anyhow, bail}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/main.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | 0 => Err(bail!("There are no available COM ports found")), [INFO] [stdout] | ^^^ ----------------------------------------------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/main.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | return Err(bail!("{} COM ports found choose right one with --port key {}", n, names)); [INFO] [stdout] | ^^^ ------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/firmware.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | fn from(err : Error) -> std::io::Error { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "1722682cc52a82596c1db339a17f925114b029183d3eaead955cfb8a8dcaf2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1722682cc52a82596c1db339a17f925114b029183d3eaead955cfb8a8dcaf2c6", kill_on_drop: false }` [INFO] [stdout] 1722682cc52a82596c1db339a17f925114b029183d3eaead955cfb8a8dcaf2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec26e6b806b4e786e8dd17fd7e0b084e9bafc0917b71adb22a64ad007215ef1a [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" "ec26e6b806b4e786e8dd17fd7e0b084e9bafc0917b71adb22a64ad007215ef1a", kill_on_drop: false }` [INFO] [stderr] Compiling milcup v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Error`, `anyhow` [INFO] [stdout] --> src/main.rs:8:31 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::{Context, Result, Error, anyhow, bail}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/main.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | 0 => Err(bail!("There are no available COM ports found")), [INFO] [stdout] | ^^^ ----------------------------------------------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/main.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | return Err(bail!("{} COM ports found choose right one with --port key {}", n, names)); [INFO] [stdout] | ^^^ ------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/firmware.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | fn from(err : Error) -> std::io::Error { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "ec26e6b806b4e786e8dd17fd7e0b084e9bafc0917b71adb22a64ad007215ef1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec26e6b806b4e786e8dd17fd7e0b084e9bafc0917b71adb22a64ad007215ef1a", kill_on_drop: false }` [INFO] [stdout] ec26e6b806b4e786e8dd17fd7e0b084e9bafc0917b71adb22a64ad007215ef1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 442f4b8809cf242c87bec148e21eeb89d17824977ef72b04c226eeaec1b49d45 [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" "442f4b8809cf242c87bec148e21eeb89d17824977ef72b04c226eeaec1b49d45", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Error`, `anyhow` [INFO] [stderr] --> src/main.rs:8:31 [INFO] [stderr] | [INFO] [stderr] 8 | use anyhow::{Context, Result, Error, anyhow, bail}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/main.rs:68:14 [INFO] [stderr] | [INFO] [stderr] 68 | 0 => Err(bail!("There are no available COM ports found")), [INFO] [stderr] | ^^^ ----------------------------------------------- any code following this expression is unreachable [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/main.rs:72:20 [INFO] [stderr] | [INFO] [stderr] 72 | return Err(bail!("{} COM ports found choose right one with --port key {}", n, names)); [INFO] [stderr] | ^^^ ------------------------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/firmware.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | fn from(err : Error) -> std::io::Error { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/milcup-81be6df3365ef509 [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" "442f4b8809cf242c87bec148e21eeb89d17824977ef72b04c226eeaec1b49d45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "442f4b8809cf242c87bec148e21eeb89d17824977ef72b04c226eeaec1b49d45", kill_on_drop: false }` [INFO] [stdout] 442f4b8809cf242c87bec148e21eeb89d17824977ef72b04c226eeaec1b49d45