[INFO] fetching crate nonempty 0.10.0... [INFO] checking nonempty-0.10.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate nonempty 0.10.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate nonempty 0.10.0 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 nonempty 0.10.0 [INFO] finished tweaking crates.io crate nonempty 0.10.0 [INFO] tweaked toml for crates.io crate nonempty 0.10.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [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] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ceec331a06bde05eb00614dda54662ac6c8679a496b1a9b00ddb560b1a1fed3 [INFO] running `Command { std: "docker" "start" "-a" "1ceec331a06bde05eb00614dda54662ac6c8679a496b1a9b00ddb560b1a1fed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ceec331a06bde05eb00614dda54662ac6c8679a496b1a9b00ddb560b1a1fed3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ceec331a06bde05eb00614dda54662ac6c8679a496b1a9b00ddb560b1a1fed3", kill_on_drop: false }` [INFO] [stdout] 1ceec331a06bde05eb00614dda54662ac6c8679a496b1a9b00ddb560b1a1fed3 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f6a735ee2ac055b7fd7d252385d46362c54c6e36112d569694a93895701e39c [INFO] running `Command { std: "docker" "start" "-a" "3f6a735ee2ac055b7fd7d252385d46362c54c6e36112d569694a93895701e39c", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking nonempty v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:822:59 [INFO] [stdout] | [INFO] [stdout] 822 | pub fn maximum_by<'a, F>(&'a self, mut compare: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:850:59 [INFO] [stdout] | [INFO] [stdout] 850 | pub fn minimum_by<'a, F>(&'a self, mut compare: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:873:60 [INFO] [stdout] | [INFO] [stdout] 873 | pub fn maximum_by_key<'a, U, F>(&'a self, mut f: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:897:60 [INFO] [stdout] | [INFO] [stdout] 897 | pub fn minimum_by_key<'a, U, F>(&'a self, mut f: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:822:59 [INFO] [stdout] | [INFO] [stdout] 822 | pub fn maximum_by<'a, F>(&'a self, mut compare: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:850:59 [INFO] [stdout] | [INFO] [stdout] 850 | pub fn minimum_by<'a, F>(&'a self, mut compare: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:873:60 [INFO] [stdout] | [INFO] [stdout] 873 | pub fn maximum_by_key<'a, U, F>(&'a self, mut f: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:897:60 [INFO] [stdout] | [INFO] [stdout] 897 | pub fn minimum_by_key<'a, U, F>(&'a self, mut f: F) -> &T [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s [INFO] running `Command { std: "docker" "inspect" "3f6a735ee2ac055b7fd7d252385d46362c54c6e36112d569694a93895701e39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f6a735ee2ac055b7fd7d252385d46362c54c6e36112d569694a93895701e39c", kill_on_drop: false }` [INFO] [stdout] 3f6a735ee2ac055b7fd7d252385d46362c54c6e36112d569694a93895701e39c