[INFO] fetching crate librepology 0.1.0-alpha.1... [INFO] checking librepology-0.1.0-alpha.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate librepology 0.1.0-alpha.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate librepology 0.1.0-alpha.1 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 librepology 0.1.0-alpha.1 [INFO] finished tweaking crates.io crate librepology 0.1.0-alpha.1 [INFO] tweaked toml for crates.io crate librepology 0.1.0-alpha.1 written to /workspace/builds/worker-6-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 65 packages to latest compatible versions [INFO] [stderr] Adding derive-new v0.5.9 (available: v0.7.0) [INFO] [stderr] Adding derive_more v0.14.1 (available: v1.0.0) [INFO] [stderr] Adding idna v0.1.5 (available: v1.0.2) [INFO] [stderr] Adding percent-encoding v1.0.1 (available: v2.3.1) [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 rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.77) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7e042589ab2a56b63324dd1d8c8da5848ac5ad3c436d6fa9970f818633a192be [INFO] running `Command { std: "docker" "start" "-a" "7e042589ab2a56b63324dd1d8c8da5848ac5ad3c436d6fa9970f818633a192be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e042589ab2a56b63324dd1d8c8da5848ac5ad3c436d6fa9970f818633a192be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e042589ab2a56b63324dd1d8c8da5848ac5ad3c436d6fa9970f818633a192be", kill_on_drop: false }` [INFO] [stdout] 7e042589ab2a56b63324dd1d8c8da5848ac5ad3c436d6fa9970f818633a192be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8fb1628c0a1e19e307db72ba740be6bacea84ccb31eb3515630db2f8516c89bb [INFO] running `Command { std: "docker" "start" "-a" "8fb1628c0a1e19e307db72ba740be6bacea84ccb31eb3515630db2f8516c89bb", kill_on_drop: false }` [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling curl-sys v0.4.76+curl-8.10.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling curl v0.4.46 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking librepology v0.1.0-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/v1/stdinapi.rs:58:31 [INFO] [stdout] | [INFO] [stdout] 58 | fn read_to_string(input: &mut Read) -> Result { [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] 58 | fn read_to_string(input: &mut dyn Read) -> Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/v1/stdinapi.rs:58:31 [INFO] [stdout] | [INFO] [stdout] 58 | fn read_to_string(input: &mut Read) -> Result { [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] 58 | fn read_to_string(input: &mut dyn Read) -> Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.59s [INFO] running `Command { std: "docker" "inspect" "8fb1628c0a1e19e307db72ba740be6bacea84ccb31eb3515630db2f8516c89bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb1628c0a1e19e307db72ba740be6bacea84ccb31eb3515630db2f8516c89bb", kill_on_drop: false }` [INFO] [stdout] 8fb1628c0a1e19e307db72ba740be6bacea84ccb31eb3515630db2f8516c89bb