[INFO] cloning repository https://github.com/FredericDesgreniers/rand_field [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredericDesgreniers/rand_field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericDesgreniers%2Frand_field", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericDesgreniers%2Frand_field'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e141ec917949d537d77ba3d85502be3de5a2d4e9 [INFO] building FredericDesgreniers/rand_field against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericDesgreniers%2Frand_field" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FredericDesgreniers/rand_field on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FredericDesgreniers/rand_field [INFO] finished tweaking git repo https://github.com/FredericDesgreniers/rand_field [INFO] tweaked toml for git repo https://github.com/FredericDesgreniers/rand_field written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/FredericDesgreniers/rand_field already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/rand_field/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/rand_field_derive/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v0.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b5a952a4e396e1e27e09776a2710a1e8e5e600ea9601633a8e5b912c79581b6 [INFO] running `Command { std: "docker" "start" "-a" "4b5a952a4e396e1e27e09776a2710a1e8e5e600ea9601633a8e5b912c79581b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b5a952a4e396e1e27e09776a2710a1e8e5e600ea9601633a8e5b912c79581b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b5a952a4e396e1e27e09776a2710a1e8e5e600ea9601633a8e5b912c79581b6", kill_on_drop: false }` [INFO] [stdout] 4b5a952a4e396e1e27e09776a2710a1e8e5e600ea9601633a8e5b912c79581b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b205c8dfab6ad87c676b00a2c24e89e48b3b607c30ae8e1a25c7a3a06c89d510 [INFO] running `Command { std: "docker" "start" "-a" "b205c8dfab6ad87c676b00a2c24e89e48b3b607c30ae8e1a25c7a3a06c89d510", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/rand_field/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/rand_field_derive/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Compiling rand_field v0.1.0 (/opt/rustwide/workdir/rand_field) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> rand_field/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_field_derive v0.1.0 (/opt/rustwide/workdir/rand_field_derive) [INFO] [stdout] warning: unused import: `Field` [INFO] [stdout] --> rand_field_derive/src/lib.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | use syn::{Data, Field, Fields, Type}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::Punct` [INFO] [stdout] --> rand_field_derive/src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use proc_macro2::Punct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> rand_field_derive/src/lib.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | let index = rand::thread_rng().gen_range(0, choices.len()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling RandField v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(attr_literals)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | struct MaybeNum(Option); [INFO] [stdout] | -------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MaybeNum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | struct Name(String); [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Name` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.7 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b205c8dfab6ad87c676b00a2c24e89e48b3b607c30ae8e1a25c7a3a06c89d510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b205c8dfab6ad87c676b00a2c24e89e48b3b607c30ae8e1a25c7a3a06c89d510", kill_on_drop: false }` [INFO] [stdout] b205c8dfab6ad87c676b00a2c24e89e48b3b607c30ae8e1a25c7a3a06c89d510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 299f61cebbae2d0084aa457d4f3b5a2456aff96f0dd5e23f4712811d0e0318fa [INFO] running `Command { std: "docker" "start" "-a" "299f61cebbae2d0084aa457d4f3b5a2456aff96f0dd5e23f4712811d0e0318fa", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/rand_field_derive/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/rand_field/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> rand_field/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Field` [INFO] [stdout] --> rand_field_derive/src/lib.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | use syn::{Data, Field, Fields, Type}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::Punct` [INFO] [stdout] --> rand_field_derive/src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use proc_macro2::Punct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling RandField v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> rand_field_derive/src/lib.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | let index = rand::thread_rng().gen_range(0, choices.len()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(attr_literals)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | struct MaybeNum(Option); [INFO] [stdout] | -------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MaybeNum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | struct Name(String); [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Name` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.7 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "299f61cebbae2d0084aa457d4f3b5a2456aff96f0dd5e23f4712811d0e0318fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "299f61cebbae2d0084aa457d4f3b5a2456aff96f0dd5e23f4712811d0e0318fa", kill_on_drop: false }` [INFO] [stdout] 299f61cebbae2d0084aa457d4f3b5a2456aff96f0dd5e23f4712811d0e0318fa