[INFO] cloning repository https://github.com/negamartin/serial-keyboard [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/negamartin/serial-keyboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1a110b0189e40c9f0d852469628d5ebc17351e2 [INFO] checking negamartin/serial-keyboard against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/negamartin/serial-keyboard on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/negamartin/serial-keyboard [INFO] finished tweaking git repo https://github.com/negamartin/serial-keyboard [INFO] tweaked toml for git repo https://github.com/negamartin/serial-keyboard written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/negamartin/serial-keyboard already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded subprocess v0.1.13 [INFO] [stderr] Downloaded serialport v3.0.0 [INFO] [stderr] Downloaded enigo v0.0.12 [INFO] [stderr] Downloaded mach v0.0.5 [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2236bc30c1702c6d81e68e42f7223db15a76feba3c71518c43ba8f5681815e2 [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" "f2236bc30c1702c6d81e68e42f7223db15a76feba3c71518c43ba8f5681815e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2236bc30c1702c6d81e68e42f7223db15a76feba3c71518c43ba8f5681815e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2236bc30c1702c6d81e68e42f7223db15a76feba3c71518c43ba8f5681815e2", kill_on_drop: false }` [INFO] [stdout] f2236bc30c1702c6d81e68e42f7223db15a76feba3c71518c43ba8f5681815e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 151c133a54558e1a3bae9605b67f8c58b44232234ca573c2b4a94b6bc385d7b1 [INFO] running `Command { std: "docker" "start" "-a" "151c133a54558e1a3bae9605b67f8c58b44232234ca573c2b4a94b6bc385d7b1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking subprocess v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Compiling quote v0.6.5 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling enigo v0.0.12 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Checking serialport v3.0.0 [INFO] [stderr] Checking serde_json v1.0.24 [INFO] [stderr] Checking serial-keyboard v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connection.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | serial: Box, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:27:55 [INFO] [stdout] | [INFO] [stdout] 27 | pub type Result = ::std::result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:31:20 [INFO] [stdout] | [INFO] [stdout] 31 | cause: Box, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:40:36 [INFO] [stdout] | [INFO] [stdout] 40 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:48:59 [INFO] [stdout] | [INFO] [stdout] 48 | impl ResultBoxExt for ::std::result::Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connection.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | serial: Box, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:27:55 [INFO] [stdout] | [INFO] [stdout] 27 | pub type Result = ::std::result::Result>; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:31:20 [INFO] [stdout] | [INFO] [stdout] 31 | cause: Box, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:40:36 [INFO] [stdout] | [INFO] [stdout] 40 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:48:59 [INFO] [stdout] | [INFO] [stdout] 48 | impl ResultBoxExt for ::std::result::Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.05s [INFO] running `Command { std: "docker" "inspect" "151c133a54558e1a3bae9605b67f8c58b44232234ca573c2b4a94b6bc385d7b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "151c133a54558e1a3bae9605b67f8c58b44232234ca573c2b4a94b6bc385d7b1", kill_on_drop: false }` [INFO] [stdout] 151c133a54558e1a3bae9605b67f8c58b44232234ca573c2b4a94b6bc385d7b1