[INFO] fetching crate gll 0.0.2... [INFO] checking gll-0.0.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate gll 0.0.2 into /workspace/builds/worker-19/source [INFO] validating manifest of crates.io crate gll 0.0.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-19/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6d7c4c66c5009317d0e2845c5437c2db7934d0df66d05918728182ccabc132e [INFO] running `Command { std: "docker" "start" "-a" "d6d7c4c66c5009317d0e2845c5437c2db7934d0df66d05918728182ccabc132e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6d7c4c66c5009317d0e2845c5437c2db7934d0df66d05918728182ccabc132e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d7c4c66c5009317d0e2845c5437c2db7934d0df66d05918728182ccabc132e", kill_on_drop: false }` [INFO] [stdout] d6d7c4c66c5009317d0e2845c5437c2db7934d0df66d05918728182ccabc132e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 270d0dfd665fb92d3076aba71e47e1bbf6285cd9b9538b7148147386d35a9fa6 [INFO] running `Command { std: "docker" "start" "-a" "270d0dfd665fb92d3076aba71e47e1bbf6285cd9b9538b7148147386d35a9fa6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling indexing v0.3.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [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: `#[warn(unused_must_use)]` on by default [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: 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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Write` [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] [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: `#[warn(unused_must_use)]` on by default [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: 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: 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: `#[warn(unused_must_use)]` on by default [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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.47s [INFO] running `Command { std: "docker" "inspect" "270d0dfd665fb92d3076aba71e47e1bbf6285cd9b9538b7148147386d35a9fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "270d0dfd665fb92d3076aba71e47e1bbf6285cd9b9538b7148147386d35a9fa6", kill_on_drop: false }` [INFO] [stdout] 270d0dfd665fb92d3076aba71e47e1bbf6285cd9b9538b7148147386d35a9fa6