[INFO] fetching crate lanmon 0.2.0... [INFO] checking lanmon-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate lanmon 0.2.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate lanmon 0.2.0 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 crates.io crate lanmon 0.2.0 [INFO] finished tweaking crates.io crate lanmon 0.2.0 [INFO] tweaked toml for crates.io crate lanmon 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 ipnetwork v0.16.0 [INFO] [stderr] Downloaded pnet_base v0.26.0 [INFO] [stderr] Downloaded pnet_sys v0.26.0 [INFO] [stderr] Downloaded fastping-rs v0.1.7 [INFO] [stderr] Downloaded pnet_datalink v0.26.0 [INFO] [stderr] Downloaded pnet_macros_support v0.26.0 [INFO] [stderr] Downloaded pnet_packet v0.26.0 [INFO] [stderr] Downloaded pnet_transport v0.26.0 [INFO] [stderr] Downloaded pnet v0.26.0 [INFO] [stderr] Downloaded pnet_macros v0.26.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d1e04b7298af81ff0b4b37a7fef77923cd6dc5b043447bd07b3322daf503b773 [INFO] running `Command { std: "docker" "start" "-a" "d1e04b7298af81ff0b4b37a7fef77923cd6dc5b043447bd07b3322daf503b773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1e04b7298af81ff0b4b37a7fef77923cd6dc5b043447bd07b3322daf503b773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1e04b7298af81ff0b4b37a7fef77923cd6dc5b043447bd07b3322daf503b773", kill_on_drop: false }` [INFO] [stdout] d1e04b7298af81ff0b4b37a7fef77923cd6dc5b043447bd07b3322daf503b773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 80b7b0f5fac3bc511f61e20625658025a715409524f23a1cd9c3b83257ddd6bd [INFO] running `Command { std: "docker" "start" "-a" "80b7b0f5fac3bc511f61e20625658025a715409524f23a1cd9c3b83257ddd6bd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking pnet_base v0.26.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling pnet v0.26.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pnet_macros_support v0.26.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking pnet_sys v0.26.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking ipnetwork v0.16.0 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking pnet_datalink v0.26.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.26.0 [INFO] [stderr] Compiling pnet_packet v0.26.0 [INFO] [stderr] Checking pnet_transport v0.26.0 [INFO] [stderr] Checking fastping-rs v0.1.7 [INFO] [stderr] Checking lanmon v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:408:54 [INFO] [stdout] | [INFO] [stdout] 408 | fn read_config(filename: &str) -> Result> { [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:408:54 [INFO] [stdout] | [INFO] [stdout] 408 | fn read_config(filename: &str) -> Result> { [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:423:33 [INFO] [stdout] | [INFO] [stdout] 423 | let e1: Box = From::from("File extension not supported"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:423:33 [INFO] [stdout] | [INFO] [stdout] 423 | let e1: Box = From::from("File extension not supported"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:429:25 [INFO] [stdout] | [INFO] [stdout] 429 | let e1: Box = From::from("No file extension on config"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:429:25 [INFO] [stdout] | [INFO] [stdout] 429 | let e1: Box = From::from("No file extension on config"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.30s [INFO] running `Command { std: "docker" "inspect" "80b7b0f5fac3bc511f61e20625658025a715409524f23a1cd9c3b83257ddd6bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80b7b0f5fac3bc511f61e20625658025a715409524f23a1cd9c3b83257ddd6bd", kill_on_drop: false }` [INFO] [stdout] 80b7b0f5fac3bc511f61e20625658025a715409524f23a1cd9c3b83257ddd6bd