[INFO] fetching crate nbtscanner 0.0.1... [INFO] building nbtscanner-0.0.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate nbtscanner 0.0.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate nbtscanner 0.0.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nbtscanner 0.0.1 [INFO] finished tweaking crates.io crate nbtscanner 0.0.1 [INFO] tweaked toml for crates.io crate nbtscanner 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate nbtscanner 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap v2.29.1 [INFO] [stderr] Downloaded assert_matches v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c855f0ae3a5234583cde9493f93d5ea7804f8055fe1b05a24e293355f71a783 [INFO] running `Command { std: "docker" "start" "-a" "1c855f0ae3a5234583cde9493f93d5ea7804f8055fe1b05a24e293355f71a783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c855f0ae3a5234583cde9493f93d5ea7804f8055fe1b05a24e293355f71a783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c855f0ae3a5234583cde9493f93d5ea7804f8055fe1b05a24e293355f71a783", kill_on_drop: false }` [INFO] [stdout] 1c855f0ae3a5234583cde9493f93d5ea7804f8055fe1b05a24e293355f71a783 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90585fc35043e92b70bd1b8e129a45ea232fc6daf9cef111b1d8b6c6f44a09c0 [INFO] running `Command { std: "docker" "start" "-a" "90585fc35043e92b70bd1b8e129a45ea232fc6daf9cef111b1d8b6c6f44a09c0", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling assert_matches v1.1.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling clap v2.29.1 [INFO] [stderr] Compiling nbtscanner v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool.rs:71:16 [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:46:43 [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_right()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_end()), [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:61:65 [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_end(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/thread_pool.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 74 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread_pool.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | self.sender.send(Message::Terminate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = self.sender.send(Message::Terminate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/ip_range.rs:60:14 [INFO] [stdout] | [INFO] [stdout] 60 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `IpRangeError` is never constructed [INFO] [stdout] --> src/ip_range.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub enum IpParserError { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 37 | CidrNumberError, [INFO] [stdout] 38 | IpRangeError, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s [INFO] running `Command { std: "docker" "inspect" "90585fc35043e92b70bd1b8e129a45ea232fc6daf9cef111b1d8b6c6f44a09c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90585fc35043e92b70bd1b8e129a45ea232fc6daf9cef111b1d8b6c6f44a09c0", kill_on_drop: false }` [INFO] [stdout] 90585fc35043e92b70bd1b8e129a45ea232fc6daf9cef111b1d8b6c6f44a09c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3ef811486194e24aa5a57de47c1ad65991242b4b21c67e3e35b69950f47e441 [INFO] running `Command { std: "docker" "start" "-a" "a3ef811486194e24aa5a57de47c1ad65991242b4b21c67e3e35b69950f47e441", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool.rs:71:16 [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:46:43 [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_right()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_end()), [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:61:65 [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_end(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/thread_pool.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 74 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nbtscanner v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread_pool.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | self.sender.send(Message::Terminate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = self.sender.send(Message::Terminate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread_pool.rs:71:16 [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:46:43 [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_right()), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 46 | Ok(name) => String::from(name.trim_end()), [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/ip_range.rs:60:14 [INFO] [stdout] | [INFO] [stdout] 60 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/nbt_packet.rs:61:65 [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_right(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 61 | let trimmed_group = group.trim_matches('\u{0}').trim_end(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `IpRangeError` is never constructed [INFO] [stdout] --> src/ip_range.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub enum IpParserError { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 37 | CidrNumberError, [INFO] [stdout] 38 | IpRangeError, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual` [INFO] [stdout] --> src/nbt_packet.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let actual = NetBiosPacket::from(Ipv4Addr::from([127, 0, 0, 1]), data, 175 as usize); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected` [INFO] [stdout] --> src/nbt_packet.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let expected = "SHARING"; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual` [INFO] [stdout] --> src/nbt_packet.rs:257:13 [INFO] [stdout] | [INFO] [stdout] 257 | let actual = NetBiosPacket::from(Ipv4Addr::from([127, 0, 0, 1]), data, 175 as usize); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/thread_pool.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 74 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread_pool.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | self.sender.send(Message::Terminate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = self.sender.send(Message::Terminate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "a3ef811486194e24aa5a57de47c1ad65991242b4b21c67e3e35b69950f47e441", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ef811486194e24aa5a57de47c1ad65991242b4b21c67e3e35b69950f47e441", kill_on_drop: false }` [INFO] [stdout] a3ef811486194e24aa5a57de47c1ad65991242b4b21c67e3e35b69950f47e441