[INFO] fetching crate hera 0.1.0... [INFO] checking hera-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate hera 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate hera 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hera 0.1.0 [INFO] finished tweaking crates.io crate hera 0.1.0 [INFO] tweaked toml for crates.io crate hera 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 114 packages to latest compatible versions [INFO] [stderr] Adding assert_cmd v0.9.1 (available: v2.0.16) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding env_logger v0.5.13 (available: v0.11.5) [INFO] [stderr] Adding escargot v0.3.1 (available: v0.5.12) [INFO] [stderr] Adding float-cmp v0.4.0 (available: v0.10.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding git2 v0.7.5 (available: v0.19.0) [INFO] [stderr] Adding handlebars v1.1.0 (available: v6.1.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (available: v2.1.0) [INFO] [stderr] Adding idna v0.1.5 (available: v1.0.2) [INFO] [stderr] Adding libgit2-sys v0.7.11 (available: v0.17.0+1.8.1) [INFO] [stderr] Adding libssh2-sys v0.2.23 (available: v0.3.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding normalize-line-endings v0.2.2 (available: v0.3.0) [INFO] [stderr] Adding percent-encoding v1.0.1 (available: v2.3.1) [INFO] [stderr] Adding predicates v0.9.1 (available: v3.1.2) [INFO] [stderr] Adding predicates-core v0.9.0 (available: v1.0.8) [INFO] [stderr] Adding predicates-tree v0.9.0 (available: v1.0.11) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding tokei v8.0.1 (available: v12.1.2) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding url v1.7.2 (available: v2.5.2) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0e153be7a4366e1f9a3faaf67be03333b220e34ded5f38de38dc9b1e3b6e3fb [INFO] running `Command { std: "docker" "start" "-a" "e0e153be7a4366e1f9a3faaf67be03333b220e34ded5f38de38dc9b1e3b6e3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0e153be7a4366e1f9a3faaf67be03333b220e34ded5f38de38dc9b1e3b6e3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0e153be7a4366e1f9a3faaf67be03333b220e34ded5f38de38dc9b1e3b6e3fb", kill_on_drop: false }` [INFO] [stdout] e0e153be7a4366e1f9a3faaf67be03333b220e34ded5f38de38dc9b1e3b6e3fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78bab606b0f23ad75ec2caf60768ffc6539b0b0e484afca93d919ebc9fdc5ad1 [INFO] running `Command { std: "docker" "start" "-a" "78bab606b0f23ad75ec2caf60768ffc6539b0b0e484afca93d919ebc9fdc5ad1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling bstr v1.10.0 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling curl-sys v0.4.76+curl-8.10.1 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking predicates-core v0.9.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking encoding_rs_io v0.1.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking predicates-tree v0.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking globset v0.4.15 [INFO] [stderr] Compiling pest v2.7.13 [INFO] [stderr] Checking ignore v0.4.23 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking predicates v0.9.1 [INFO] [stderr] Compiling pest_meta v2.7.13 [INFO] [stderr] Compiling pest_generator v2.7.13 [INFO] [stderr] Compiling pest_derive v2.7.13 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking assert_cmd v0.9.1 [INFO] [stderr] Compiling handlebars v1.1.0 [INFO] [stderr] Compiling tokei v8.0.1 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking hera v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() -> Result<(), Box> { [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] 21 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | -> 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] 80 | -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/changes.rs:47:29 [INFO] [stdout] | [INFO] [stdout] 47 | -> 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] 47 | -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() -> Result<(), Box> { [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] 21 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:80:25 [INFO] [stdout] | [INFO] [stdout] 80 | -> 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] 80 | -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/changes.rs:47:29 [INFO] [stdout] | [INFO] [stdout] 47 | -> 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] 47 | -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `status` is never read [INFO] [stdout] --> src/changes.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct FileChanges { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | status: Delta, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileChanges` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `status` is never read [INFO] [stdout] --> src/changes.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct FileChanges { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | status: Delta, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileChanges` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.75s [INFO] running `Command { std: "docker" "inspect" "78bab606b0f23ad75ec2caf60768ffc6539b0b0e484afca93d919ebc9fdc5ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78bab606b0f23ad75ec2caf60768ffc6539b0b0e484afca93d919ebc9fdc5ad1", kill_on_drop: false }` [INFO] [stdout] 78bab606b0f23ad75ec2caf60768ffc6539b0b0e484afca93d919ebc9fdc5ad1