[INFO] cloning repository https://github.com/ipost/flow_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ipost/flow_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fipost%2Fflow_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fipost%2Fflow_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 85497e4e5cad7eeaf2544460152eddb9478f60ef [INFO] checking ipost/flow_rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fipost%2Fflow_rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ipost/flow_rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ipost/flow_rs [INFO] finished tweaking git repo https://github.com/ipost/flow_rs [INFO] tweaked toml for git repo https://github.com/ipost/flow_rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ipost/flow_rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest_meta v2.1.0 [INFO] [stderr] Downloaded sha-1 v0.7.0 [INFO] [stderr] Downloaded pest_generator v2.1.0 [INFO] [stderr] Downloaded predicates v1.0.0 [INFO] [stderr] Downloaded generic-array v0.9.0 [INFO] [stderr] Downloaded arrayref v0.3.5 [INFO] [stderr] Downloaded byte-tools v0.2.0 [INFO] [stderr] Downloaded block-buffer v0.3.3 [INFO] [stderr] Downloaded digest v0.7.6 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded maplit v1.0.1 [INFO] [stderr] Downloaded pest v2.1.0 [INFO] [stderr] Downloaded syn v0.15.24 [INFO] [stderr] Downloaded regex v1.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5731af8b50d4d09198bce13a7990d4ce3026ed75f885f61595824de15a1a47f3 [INFO] running `Command { std: "docker" "start" "-a" "5731af8b50d4d09198bce13a7990d4ce3026ed75f885f61595824de15a1a47f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5731af8b50d4d09198bce13a7990d4ce3026ed75f885f61595824de15a1a47f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5731af8b50d4d09198bce13a7990d4ce3026ed75f885f61595824de15a1a47f3", kill_on_drop: false }` [INFO] [stdout] 5731af8b50d4d09198bce13a7990d4ce3026ed75f885f61595824de15a1a47f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3b8588fc03011d547b6bc49e1058b9f2fe50e1d75da497ff280a5172fceb987 [INFO] running `Command { std: "docker" "start" "-a" "a3b8588fc03011d547b6bc49e1058b9f2fe50e1d75da497ff280a5172fceb987", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking predicates v1.0.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking flowrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:87:66 [INFO] [stdout] | [INFO] [stdout] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [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] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:102:28 [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:168:28 [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:209:28 [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:237:28 [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:256:31 [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:288:57 [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> 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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:87:66 [INFO] [stdout] | [INFO] [stdout] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [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] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:102:28 [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:168:28 [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:209:28 [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:237:28 [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:256:31 [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:288:57 [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> 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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s [INFO] running `Command { std: "docker" "inspect" "a3b8588fc03011d547b6bc49e1058b9f2fe50e1d75da497ff280a5172fceb987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3b8588fc03011d547b6bc49e1058b9f2fe50e1d75da497ff280a5172fceb987", kill_on_drop: false }` [INFO] [stdout] a3b8588fc03011d547b6bc49e1058b9f2fe50e1d75da497ff280a5172fceb987 [INFO] checking ipost/flow_rs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fipost%2Fflow_rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ipost/flow_rs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ipost/flow_rs [INFO] finished tweaking git repo https://github.com/ipost/flow_rs [INFO] tweaked toml for git repo https://github.com/ipost/flow_rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ipost/flow_rs 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 833ab706240fab76a3768446fa6cc1f2af175a066bf592412b614f8331ecbeae [INFO] running `Command { std: "docker" "start" "-a" "833ab706240fab76a3768446fa6cc1f2af175a066bf592412b614f8331ecbeae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "833ab706240fab76a3768446fa6cc1f2af175a066bf592412b614f8331ecbeae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "833ab706240fab76a3768446fa6cc1f2af175a066bf592412b614f8331ecbeae", kill_on_drop: false }` [INFO] [stdout] 833ab706240fab76a3768446fa6cc1f2af175a066bf592412b614f8331ecbeae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1657e7b24b92646ae3d978f6ebe8676e56e1996d8faf4b7c187b99447acc5dc4 [INFO] running `Command { std: "docker" "start" "-a" "1657e7b24b92646ae3d978f6ebe8676e56e1996d8faf4b7c187b99447acc5dc4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling regex v1.1.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking predicates v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking flowrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:87:66 [INFO] [stdout] | [INFO] [stdout] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [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] 87 | fn dotify_all(mut pairs: Pairs, mut id_generator: &mut Box String>) -> String { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:102:28 [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 102 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:127:28 [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 127 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:168:28 [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 168 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:209:28 [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 209 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:237:28 [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 237 | id_generator: &mut Box String>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:256:31 [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 256 | fn make_id_generator() -> Box String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:288:57 [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> 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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 288 | fn get_output_handle(file_path: Option) -> Box { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:253:11 [INFO] [stdout] | [INFO] [stdout] 240 | let condition_name = match pair.as_rule() { [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 241 | Rule::condition => { [INFO] [stdout] 242 | let condition_node = Node::new(id_generator()) [INFO] [stdout] | -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 253 | (dot, Edge::starting_at(condition_name)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/node.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn terminal(self) -> Self { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | self.red().bold() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flowrs` (bin "flowrs") due to 3 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1657e7b24b92646ae3d978f6ebe8676e56e1996d8faf4b7c187b99447acc5dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1657e7b24b92646ae3d978f6ebe8676e56e1996d8faf4b7c187b99447acc5dc4", kill_on_drop: false }` [INFO] [stdout] 1657e7b24b92646ae3d978f6ebe8676e56e1996d8faf4b7c187b99447acc5dc4