[INFO] cloning repository https://github.com/jswrenn/midinet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jswrenn/midinet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidinet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidinet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f29b1b826ab8070fc0116200fbe293792a0cb1c2 [INFO] testing jswrenn/midinet against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjswrenn%2Fmidinet" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jswrenn/midinet 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/jswrenn/midinet [INFO] finished tweaking git repo https://github.com/jswrenn/midinet [INFO] tweaked toml for git repo https://github.com/jswrenn/midinet written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/jswrenn/midinet 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] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded alsa v0.2.0 [INFO] [stderr] Downloaded nix v0.9.0 [INFO] [stderr] Downloaded pkg-config v0.3.9 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded atty v0.2.8 [INFO] [stderr] Downloaded alsa-sys v0.1.1 [INFO] [stderr] Downloaded structopt v0.2.7 [INFO] [stderr] Downloaded proc-macro2 v0.3.6 [INFO] [stderr] Downloaded syn v0.13.1 [INFO] [stderr] Downloaded quote v0.5.1 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded structopt-derive v0.2.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1e58634979341a12a595b8446a99ba560a5e60716866063981512a263432704a [INFO] running `Command { std: "docker" "start" "-a" "1e58634979341a12a595b8446a99ba560a5e60716866063981512a263432704a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e58634979341a12a595b8446a99ba560a5e60716866063981512a263432704a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e58634979341a12a595b8446a99ba560a5e60716866063981512a263432704a", kill_on_drop: false }` [INFO] [stdout] 1e58634979341a12a595b8446a99ba560a5e60716866063981512a263432704a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 792158fefa1b90ac863b7fd35b155e03b64e23fccd9ed478518fb64178650200 [INFO] running `Command { std: "docker" "start" "-a" "792158fefa1b90ac863b7fd35b155e03b64e23fccd9ed478518fb64178650200", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling atty v0.2.8 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling alsa-sys v0.1.1 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling alsa v0.2.0 [INFO] [stderr] Compiling structopt-derive v0.2.7 [INFO] [stderr] Compiling structopt v0.2.7 [INFO] [stderr] Compiling midinet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: the `!` type is experimental [INFO] [stdout] --> src/bin/client.rs:38:38 [INFO] [stdout] | [INFO] [stdout] 38 | fn run(options : &Options) -> Result> { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #35121 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/client.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/client.rs:27:44 [INFO] [stdout] | [INFO] [stdout] 27 | -> Result<(Port, Vec), Box> [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 - -> Result<(Port, Vec), Box> [INFO] [stdout] 27 + -> Result<(Port, Vec), Box> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/client.rs:38:45 [INFO] [stdout] | [INFO] [stdout] 38 | fn run(options : &Options) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - fn run(options : &Options) -> Result> { [INFO] [stdout] 38 + fn run(options : &Options) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: the `!` type is experimental [INFO] [stdout] --> src/bin/server.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | fn run(options : Options) -> Result> { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #35121 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/bin/server.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/server.rs:20:44 [INFO] [stdout] | [INFO] [stdout] 20 | fn run(options : Options) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 - fn run(options : Options) -> Result> { [INFO] [stdout] 20 + fn run(options : Options) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `midinet` due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "792158fefa1b90ac863b7fd35b155e03b64e23fccd9ed478518fb64178650200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792158fefa1b90ac863b7fd35b155e03b64e23fccd9ed478518fb64178650200", kill_on_drop: false }` [INFO] [stdout] 792158fefa1b90ac863b7fd35b155e03b64e23fccd9ed478518fb64178650200