[INFO] fetching crate lumberjack 0.3.1... [INFO] checking lumberjack-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate lumberjack 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate lumberjack 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lumberjack 0.3.1 [INFO] finished tweaking crates.io crate lumberjack 0.3.1 [INFO] tweaked toml for crates.io crate lumberjack 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages [INFO] [stderr] Adding conllx v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding fixedbitset v0.1.9 (latest: v0.5.6) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding lazy-init v0.3.0 (latest: v0.5.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding ordermap v0.3.5 (latest: v0.4.2) [INFO] [stderr] Adding petgraph v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded ordermap v0.3.5 [INFO] [stderr] Downloaded conllx v0.11.2 [INFO] [stderr] Downloaded petgraph v0.4.13 [INFO] [stderr] Downloaded lazy-init v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 947632cc22a5d670f138e48f56162134ad38d04d73a7448a125b438123dd3bfa [INFO] running `Command { std: "docker" "start" "-a" "947632cc22a5d670f138e48f56162134ad38d04d73a7448a125b438123dd3bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "947632cc22a5d670f138e48f56162134ad38d04d73a7448a125b438123dd3bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "947632cc22a5d670f138e48f56162134ad38d04d73a7448a125b438123dd3bfa", kill_on_drop: false }` [INFO] [stdout] 947632cc22a5d670f138e48f56162134ad38d04d73a7448a125b438123dd3bfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be6a9b5567e96cb9339bc2ffdba4021ac23740ceac358159242728dcd9c71cbb [INFO] running `Command { std: "docker" "start" "-a" "be6a9b5567e96cb9339bc2ffdba4021ac23740ceac358159242728dcd9c71cbb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking lazy-init v0.3.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking conllx v0.11.2 [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stderr] Compiling pest_generator v2.7.9 [INFO] [stderr] Compiling pest_derive v2.7.9 [INFO] [stderr] Checking lumberjack v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/io/ptb.rs:321:48 [INFO] [stdout] | [INFO] [stdout] 321 | buffer.push_str(line.as_str());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree.rs:352:14 [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/io/ptb.rs:321:48 [INFO] [stdout] | [INFO] [stdout] 321 | buffer.push_str(line.as_str());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree.rs:352:14 [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.10s [INFO] running `Command { std: "docker" "inspect" "be6a9b5567e96cb9339bc2ffdba4021ac23740ceac358159242728dcd9c71cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6a9b5567e96cb9339bc2ffdba4021ac23740ceac358159242728dcd9c71cbb", kill_on_drop: false }` [INFO] [stdout] be6a9b5567e96cb9339bc2ffdba4021ac23740ceac358159242728dcd9c71cbb [INFO] checking lumberjack-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate lumberjack 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate lumberjack 0.3.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lumberjack 0.3.1 [INFO] finished tweaking crates.io crate lumberjack 0.3.1 [INFO] tweaked toml for crates.io crate lumberjack 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages [INFO] [stderr] Adding conllx v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding fixedbitset v0.1.9 (latest: v0.5.6) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding lazy-init v0.3.0 (latest: v0.5.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding ordermap v0.3.5 (latest: v0.4.2) [INFO] [stderr] Adding petgraph v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bee87b1158850f4c08bc7ded5999ed282ef0afaf7a025b635de92c9cf3efdaa [INFO] running `Command { std: "docker" "start" "-a" "6bee87b1158850f4c08bc7ded5999ed282ef0afaf7a025b635de92c9cf3efdaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bee87b1158850f4c08bc7ded5999ed282ef0afaf7a025b635de92c9cf3efdaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bee87b1158850f4c08bc7ded5999ed282ef0afaf7a025b635de92c9cf3efdaa", kill_on_drop: false }` [INFO] [stdout] 6bee87b1158850f4c08bc7ded5999ed282ef0afaf7a025b635de92c9cf3efdaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 179c9844052e5b821d5c50c9ad3373ea827598cd97c8249d4c71740dd83b7496 [INFO] running `Command { std: "docker" "start" "-a" "179c9844052e5b821d5c50c9ad3373ea827598cd97c8249d4c71740dd83b7496", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking lazy-init v0.3.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking conllx v0.11.2 [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stderr] Compiling pest_generator v2.7.9 [INFO] [stderr] Compiling pest_derive v2.7.9 [INFO] [stderr] Checking lumberjack v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/io/ptb.rs:321:48 [INFO] [stdout] | [INFO] [stdout] 321 | buffer.push_str(line.as_str());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree.rs:352:14 [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/io/ptb.rs:321:48 [INFO] [stdout] | [INFO] [stdout] 321 | buffer.push_str(line.as_str());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tree.rs:352:14 [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 352 | ) -> Box + 'a> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s [INFO] running `Command { std: "docker" "inspect" "179c9844052e5b821d5c50c9ad3373ea827598cd97c8249d4c71740dd83b7496", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "179c9844052e5b821d5c50c9ad3373ea827598cd97c8249d4c71740dd83b7496", kill_on_drop: false }` [INFO] [stdout] 179c9844052e5b821d5c50c9ad3373ea827598cd97c8249d4c71740dd83b7496