[INFO] fetching crate gll 0.0.2... [INFO] checking gll-0.0.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate gll 0.0.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate gll 0.0.2 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 gll 0.0.2 [INFO] finished tweaking crates.io crate gll 0.0.2 [INFO] tweaked toml for crates.io crate gll 0.0.2 written to /workspace/builds/worker-4-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 4 packages to latest compatible versions [INFO] [stderr] Adding indexing v0.3.2 (available: v0.4.1) [INFO] [stderr] Adding ordermap v0.3.5 (available: v0.5.3) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [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" "+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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8ff7b5ffd0a4cb5c376e98b9c780741e8a0a1af66c461a88f1997e3c671fb7f9 [INFO] running `Command { std: "docker" "start" "-a" "8ff7b5ffd0a4cb5c376e98b9c780741e8a0a1af66c461a88f1997e3c671fb7f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ff7b5ffd0a4cb5c376e98b9c780741e8a0a1af66c461a88f1997e3c671fb7f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ff7b5ffd0a4cb5c376e98b9c780741e8a0a1af66c461a88f1997e3c671fb7f9", kill_on_drop: false }` [INFO] [stdout] 8ff7b5ffd0a4cb5c376e98b9c780741e8a0a1af66c461a88f1997e3c671fb7f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c5218eca560d4d3594ca391cbf2d1c0799d84737158405cbb1ba45a94db26671 [INFO] running `Command { std: "docker" "start" "-a" "c5218eca560d4d3594ca391cbf2d1c0799d84737158405cbb1ba45a94db26671", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling indexing v0.3.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling gll v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1477:21 [INFO] [stdout] | [INFO] [stdout] 1477 | / write!( [INFO] [stdout] 1478 | | s, [INFO] [stdout] 1479 | | "{} _{}: {} => {},", [INFO] [stdout] 1480 | | i, [INFO] [stdout] ... | [INFO] [stdout] 1483 | | rule.generate_traverse_shape(true, parse_nodes) [INFO] [stdout] 1484 | | ); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1486:17 [INFO] [stdout] | [INFO] [stdout] 1486 | write!(s, " }}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime.rs:425:43 [INFO] [stdout] | [INFO] [stdout] 425 | pub fn dump_graphviz(&self, out: &mut Write) -> io::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] 425 | pub fn dump_graphviz(&self, out: &mut dyn Write) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime.rs:575:43 [INFO] [stdout] | [INFO] [stdout] 575 | pub fn dump_graphviz(&self, out: &mut Write) -> io::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] 575 | pub fn dump_graphviz(&self, out: &mut dyn Write) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime.rs:425:43 [INFO] [stdout] | [INFO] [stdout] 425 | pub fn dump_graphviz(&self, out: &mut Write) -> io::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] 425 | pub fn dump_graphviz(&self, out: &mut dyn Write) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime.rs:575:43 [INFO] [stdout] | [INFO] [stdout] 575 | pub fn dump_graphviz(&self, out: &mut Write) -> io::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] 575 | pub fn dump_graphviz(&self, out: &mut dyn Write) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1477:21 [INFO] [stdout] | [INFO] [stdout] 1477 | / write!( [INFO] [stdout] 1478 | | s, [INFO] [stdout] 1479 | | "{} _{}: {} => {},", [INFO] [stdout] 1480 | | i, [INFO] [stdout] ... | [INFO] [stdout] 1483 | | rule.generate_traverse_shape(true, parse_nodes) [INFO] [stdout] 1484 | | ); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1486:17 [INFO] [stdout] | [INFO] [stdout] 1486 | write!(s, " }}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1477:21 [INFO] [stdout] | [INFO] [stdout] 1477 | / write!( [INFO] [stdout] 1478 | | s, [INFO] [stdout] 1479 | | "{} _{}: {} => {},", [INFO] [stdout] 1480 | | i, [INFO] [stdout] ... | [INFO] [stdout] 1483 | | rule.generate_traverse_shape(true, parse_nodes) [INFO] [stdout] 1484 | | ); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/generate/rust.rs:1486:17 [INFO] [stdout] | [INFO] [stdout] 1486 | write!(s, " }}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s [INFO] running `Command { std: "docker" "inspect" "c5218eca560d4d3594ca391cbf2d1c0799d84737158405cbb1ba45a94db26671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5218eca560d4d3594ca391cbf2d1c0799d84737158405cbb1ba45a94db26671", kill_on_drop: false }` [INFO] [stdout] c5218eca560d4d3594ca391cbf2d1c0799d84737158405cbb1ba45a94db26671