[INFO] fetching crate atlas-coverage-core 0.1.0... [INFO] checking atlas-coverage-core-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate atlas-coverage-core 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate atlas-coverage-core 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate atlas-coverage-core 0.1.0 [INFO] finished tweaking crates.io crate atlas-coverage-core 0.1.0 [INFO] tweaked toml for crates.io crate atlas-coverage-core 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 57 packages to latest compatible versions [INFO] [stderr] Adding ascii v0.7.1 (available: v1.1.0) [INFO] [stderr] Adding ascii v0.9.3 (available: v1.1.0) [INFO] [stderr] Adding combine v2.5.2 (available: v4.6.7) [INFO] [stderr] Adding combine v3.8.1 (available: v4.6.7) [INFO] [stderr] Adding ecmascript v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a79cdf0bb94fd743749914d445f9693536d384326a01c580fef4f35a00f2708 [INFO] running `Command { std: "docker" "start" "-a" "7a79cdf0bb94fd743749914d445f9693536d384326a01c580fef4f35a00f2708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a79cdf0bb94fd743749914d445f9693536d384326a01c580fef4f35a00f2708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a79cdf0bb94fd743749914d445f9693536d384326a01c580fef4f35a00f2708", kill_on_drop: false }` [INFO] [stdout] 7a79cdf0bb94fd743749914d445f9693536d384326a01c580fef4f35a00f2708 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 984110edc9dfdd7e8223aeef3bfa6fadbe2ebb25f5dbdf457ca5ddc8023e22fa [INFO] running `Command { std: "docker" "start" "-a" "984110edc9dfdd7e8223aeef3bfa6fadbe2ebb25f5dbdf457ca5ddc8023e22fa", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking combine v2.5.2 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking bstr v1.10.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking lcov-parser v3.2.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking vlq v0.5.1 [INFO] [stderr] Checking xml-rs v0.8.22 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking globset v0.4.15 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ecmascript v0.1.0 [INFO] [stderr] Checking atlas-coverage-core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/settings.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | struct GlobSetVisitor{}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/range.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | try!(write!(f, " {}", range)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/lib.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/settings.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | struct GlobSetVisitor{}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/range.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | try!(write!(f, " {}", range)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use std::env::args; [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/settings.rs:62:75 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn from_path(settings_path: impl AsRef) -> 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn from_path(settings_path: impl AsRef) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/settings.rs:66:44 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn from_root() -> 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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 | pub fn from_root() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/settings.rs:62:75 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn from_path(settings_path: impl AsRef) -> 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn from_path(settings_path: impl AsRef) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/settings.rs:66:44 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn from_root() -> 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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 | pub fn from_root() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lines.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | for mut v in vlq_decode::MappingData::new(source_map.mappings.as_bytes()) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lines.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | for mut v in vlq_decode::MappingData::new(source_map.mappings.as_bytes()) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_xml_to_stdout` is never used [INFO] [stdout] --> src/lines.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 114 | impl ManyCoverage { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn write_xml_to_stdout(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_xml_to_stdout` is never used [INFO] [stdout] --> src/lines.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 114 | impl ManyCoverage { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 140 | pub fn write_xml_to_stdout(&self) { [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] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.29s [INFO] running `Command { std: "docker" "inspect" "984110edc9dfdd7e8223aeef3bfa6fadbe2ebb25f5dbdf457ca5ddc8023e22fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "984110edc9dfdd7e8223aeef3bfa6fadbe2ebb25f5dbdf457ca5ddc8023e22fa", kill_on_drop: false }` [INFO] [stdout] 984110edc9dfdd7e8223aeef3bfa6fadbe2ebb25f5dbdf457ca5ddc8023e22fa