[INFO] fetching crate mwatch-send 0.2.0... [INFO] testing mwatch-send-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate mwatch-send 0.2.0 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate mwatch-send 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mwatch-send 0.2.0 [INFO] finished tweaking crates.io crate mwatch-send 0.2.0 [INFO] tweaked toml for crates.io crate mwatch-send 0.2.0 written to /workspace/builds/worker-40/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hex v0.3.2 [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded libdbus-sys v0.2.2 [INFO] [stderr] Downloaded dbus v0.6.5 [INFO] [stderr] Downloaded structopt-derive v0.2.18 [INFO] [stderr] Downloaded structopt v0.2.18 [INFO] [stderr] Downloaded blurz v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9158073c93765e6600a724401a114ed52917dbbabfaba62b4146bf680ed37e7c [INFO] running `Command { std: "docker" "start" "-a" "9158073c93765e6600a724401a114ed52917dbbabfaba62b4146bf680ed37e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9158073c93765e6600a724401a114ed52917dbbabfaba62b4146bf680ed37e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9158073c93765e6600a724401a114ed52917dbbabfaba62b4146bf680ed37e7c", kill_on_drop: false }` [INFO] [stdout] 9158073c93765e6600a724401a114ed52917dbbabfaba62b4146bf680ed37e7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 374d3a50fa094969903aae454e101ae1d9ba98c4a111674ec8477a23bceedff8 [INFO] running `Command { std: "docker" "start" "-a" "374d3a50fa094969903aae454e101ae1d9ba98c4a111674ec8477a23bceedff8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling simple-hex v0.1.0 [INFO] [stderr] Compiling libdbus-sys v0.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling dbus v0.6.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling blurz v0.4.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling mwatch-send v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:77:29 [INFO] [stdout] | [INFO] [stdout] 77 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:104:65 [INFO] [stdout] | [INFO] [stdout] 104 | fn spoof_msg(opt: &Opt, handle : &mut Handle) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:118:68 [INFO] [stdout] | [INFO] [stdout] 118 | fn send_syscall(opt: &Opt, handle : &mut Handle) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:131:66 [INFO] [stdout] | [INFO] [stdout] 131 | fn send_binary(opt: &Opt, handle: &mut Handle) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:169:75 [INFO] [stdout] | [INFO] [stdout] 169 | fn send(handle: &mut Handle, data: Vec, delay: u64) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:177:97 [INFO] [stdout] | [INFO] [stdout] 177 | fn find_device<'a>(opt: &Opt, name: &'a str, bt_session: &'a Session) -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/main.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | 'uuid_loop: for uuid in uuids { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `session` [INFO] [stdout] --> src/main.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | session: &'a Session, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.34s [INFO] running `Command { std: "docker" "inspect" "374d3a50fa094969903aae454e101ae1d9ba98c4a111674ec8477a23bceedff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "374d3a50fa094969903aae454e101ae1d9ba98c4a111674ec8477a23bceedff8", kill_on_drop: false }` [INFO] [stdout] 374d3a50fa094969903aae454e101ae1d9ba98c4a111674ec8477a23bceedff8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29585ed17e291b6b5803a1750f9262fbce8f170fe1c3bc2a26b632255437b970 [INFO] running `Command { std: "docker" "start" "-a" "29585ed17e291b6b5803a1750f9262fbce8f170fe1c3bc2a26b632255437b970", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "29585ed17e291b6b5803a1750f9262fbce8f170fe1c3bc2a26b632255437b970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29585ed17e291b6b5803a1750f9262fbce8f170fe1c3bc2a26b632255437b970", kill_on_drop: false }` [INFO] [stdout] 29585ed17e291b6b5803a1750f9262fbce8f170fe1c3bc2a26b632255437b970 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d14e0a5aea4fea7ec3145e61e4086cb90afad5fa5c26a8945ecf7010843fbcfb [INFO] running `Command { std: "docker" "start" "-a" "d14e0a5aea4fea7ec3145e61e4086cb90afad5fa5c26a8945ecf7010843fbcfb", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] running `Command { std: "docker" "inspect" "d14e0a5aea4fea7ec3145e61e4086cb90afad5fa5c26a8945ecf7010843fbcfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d14e0a5aea4fea7ec3145e61e4086cb90afad5fa5c26a8945ecf7010843fbcfb", kill_on_drop: false }` [INFO] [stdout] d14e0a5aea4fea7ec3145e61e4086cb90afad5fa5c26a8945ecf7010843fbcfb