[INFO] fetching crate mdbook-generate-summary 0.2.0... [INFO] checking mdbook-generate-summary-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mdbook-generate-summary 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mdbook-generate-summary 0.2.0 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 mdbook-generate-summary 0.2.0 [INFO] finished tweaking crates.io crate mdbook-generate-summary 0.2.0 [INFO] tweaked toml for crates.io crate mdbook-generate-summary 0.2.0 written to /workspace/builds/worker-7-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 68 packages to latest compatible versions [INFO] [stderr] Adding assert_cmd v0.10.2 (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 escargot v0.3.1 (available: v0.5.12) [INFO] [stderr] Adding float-cmp v0.8.0 (available: v0.10.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.8.2 (available: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding predicates v1.0.8 (available: v3.1.2) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (available: v0.4.18) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.77) [INFO] [stderr] Adding termtree v0.4.1 (available: v0.5.1) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9daaa3e5b7838b927497e8ef15ce5e218fecf51e2815d0f8ceb5b18e1b678481 [INFO] running `Command { std: "docker" "start" "-a" "9daaa3e5b7838b927497e8ef15ce5e218fecf51e2815d0f8ceb5b18e1b678481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9daaa3e5b7838b927497e8ef15ce5e218fecf51e2815d0f8ceb5b18e1b678481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9daaa3e5b7838b927497e8ef15ce5e218fecf51e2815d0f8ceb5b18e1b678481", kill_on_drop: false }` [INFO] [stdout] 9daaa3e5b7838b927497e8ef15ce5e218fecf51e2815d0f8ceb5b18e1b678481 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7c95decd90be7b2c1081db37b50344d9f4267b9fbd66360a3fdd60a9010e4f50 [INFO] running `Command { std: "docker" "start" "-a" "7c95decd90be7b2c1081db37b50344d9f4267b9fbd66360a3fdd60a9010e4f50", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking predicates-core v1.0.8 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking predicates-tree v1.0.11 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking mdbook-generate-summary v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:17:45 [INFO] [stdout] | [INFO] [stdout] 17 | fn generates_summary_md() -> Result<(), Box> { [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] 17 | fn generates_summary_md() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.17s [INFO] running `Command { std: "docker" "inspect" "7c95decd90be7b2c1081db37b50344d9f4267b9fbd66360a3fdd60a9010e4f50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c95decd90be7b2c1081db37b50344d9f4267b9fbd66360a3fdd60a9010e4f50", kill_on_drop: false }` [INFO] [stdout] 7c95decd90be7b2c1081db37b50344d9f4267b9fbd66360a3fdd60a9010e4f50