[INFO] cloning repository https://github.com/naens/parse-exs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naens/parse-exs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaens%2Fparse-exs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaens%2Fparse-exs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b66bd3c7571db8a852ae86015a48aa1388f96f2
[INFO] checking naens/parse-exs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaens%2Fparse-exs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naens/parse-exs 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/naens/parse-exs
[INFO] finished tweaking git repo https://github.com/naens/parse-exs
[INFO] tweaked toml for git repo https://github.com/naens/parse-exs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/naens/parse-exs 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d631a0fb5322c1bbe5d69922ecb23158d3f8dcb02dff7f56958a4031999474a7
[INFO] running `Command { std: "docker" "start" "-a" "d631a0fb5322c1bbe5d69922ecb23158d3f8dcb02dff7f56958a4031999474a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d631a0fb5322c1bbe5d69922ecb23158d3f8dcb02dff7f56958a4031999474a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d631a0fb5322c1bbe5d69922ecb23158d3f8dcb02dff7f56958a4031999474a7", kill_on_drop: false }`
[INFO] [stdout] d631a0fb5322c1bbe5d69922ecb23158d3f8dcb02dff7f56958a4031999474a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 507c2b48baf33558f529fd1b38b279be373c1aad4a0ce3a01ed7dee9ac16b6ed
[INFO] running `Command { std: "docker" "start" "-a" "507c2b48baf33558f529fd1b38b279be373c1aad4a0ce3a01ed7dee9ac16b6ed", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking parse-exs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/regex.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `se`
[INFO] [stdout]   --> src/regex.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_se`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/regex.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Not(Box<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Plus(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     Star(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     Option(Box<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Concat(Vec<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     And(BTreeSet<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Or(BTreeSet<SubElement>)
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operator`, `SymbolRange`, and `String` are never constructed
[INFO] [stdout]   --> src/regex.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum SubElement {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 22 |     Operator(Operator),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     SymbolRange(SymbolRange),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     String(Vec<char>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_not` is never used
[INFO] [stdout]   --> src/regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_plus` is never used
[INFO] [stdout]   --> src/regex.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_star` is never used
[INFO] [stdout]   --> src/regex.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_option` is never used
[INFO] [stdout]   --> src/regex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_concat` is never used
[INFO] [stdout]   --> src/regex.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn make_concat() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_and` is never used
[INFO] [stdout]   --> src/regex.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn make_and() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_or` is never used
[INFO] [stdout]   --> src/regex.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn make_or() -> Operator {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sim_add` is never used
[INFO] [stdout]   --> src/regex.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/regex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 63 |     pub fn add(&mut self, se: SubElement) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/regex.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `se`
[INFO] [stdout]   --> src/regex.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_se`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/regex.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Not(Box<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Plus(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     Star(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     Option(Box<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Concat(Vec<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     And(BTreeSet<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Or(BTreeSet<SubElement>)
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operator`, `SymbolRange`, and `String` are never constructed
[INFO] [stdout]   --> src/regex.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum SubElement {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 22 |     Operator(Operator),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     SymbolRange(SymbolRange),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     String(Vec<char>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_not` is never used
[INFO] [stdout]   --> src/regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_plus` is never used
[INFO] [stdout]   --> src/regex.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_star` is never used
[INFO] [stdout]   --> src/regex.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_option` is never used
[INFO] [stdout]   --> src/regex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_concat` is never used
[INFO] [stdout]   --> src/regex.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn make_concat() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_and` is never used
[INFO] [stdout]   --> src/regex.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn make_and() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_or` is never used
[INFO] [stdout]   --> src/regex.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn make_or() -> Operator {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sim_add` is never used
[INFO] [stdout]   --> src/regex.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/regex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 63 |     pub fn add(&mut self, se: SubElement) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "507c2b48baf33558f529fd1b38b279be373c1aad4a0ce3a01ed7dee9ac16b6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507c2b48baf33558f529fd1b38b279be373c1aad4a0ce3a01ed7dee9ac16b6ed", kill_on_drop: false }`
[INFO] [stdout] 507c2b48baf33558f529fd1b38b279be373c1aad4a0ce3a01ed7dee9ac16b6ed
[INFO] checking naens/parse-exs 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%2Fnaens%2Fparse-exs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naens/parse-exs 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/naens/parse-exs
[INFO] finished tweaking git repo https://github.com/naens/parse-exs
[INFO] tweaked toml for git repo https://github.com/naens/parse-exs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/naens/parse-exs 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a9f42825298b3b11cb75b7b30ad03d0239010b87fec70f9fe94929c82973396
[INFO] running `Command { std: "docker" "start" "-a" "1a9f42825298b3b11cb75b7b30ad03d0239010b87fec70f9fe94929c82973396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9f42825298b3b11cb75b7b30ad03d0239010b87fec70f9fe94929c82973396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9f42825298b3b11cb75b7b30ad03d0239010b87fec70f9fe94929c82973396", kill_on_drop: false }`
[INFO] [stdout] 1a9f42825298b3b11cb75b7b30ad03d0239010b87fec70f9fe94929c82973396
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d96d037ef8c370f0ccbeb076871edc9fc2517136de40a1e37bffed581d6edf7
[INFO] running `Command { std: "docker" "start" "-a" "8d96d037ef8c370f0ccbeb076871edc9fc2517136de40a1e37bffed581d6edf7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking parse-exs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/regex.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `se`
[INFO] [stdout]   --> src/regex.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_se`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/regex.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Not(Box<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Plus(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     Star(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     Option(Box<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Concat(Vec<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     And(BTreeSet<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Or(BTreeSet<SubElement>)
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operator`, `SymbolRange`, and `String` are never constructed
[INFO] [stdout]   --> src/regex.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum SubElement {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 22 |     Operator(Operator),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     SymbolRange(SymbolRange),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     String(Vec<char>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_not` is never used
[INFO] [stdout]   --> src/regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_plus` is never used
[INFO] [stdout]   --> src/regex.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_star` is never used
[INFO] [stdout]   --> src/regex.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_option` is never used
[INFO] [stdout]   --> src/regex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_concat` is never used
[INFO] [stdout]   --> src/regex.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn make_concat() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_and` is never used
[INFO] [stdout]   --> src/regex.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn make_and() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_or` is never used
[INFO] [stdout]   --> src/regex.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn make_or() -> Operator {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sim_add` is never used
[INFO] [stdout]   --> src/regex.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/regex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 63 |     pub fn add(&mut self, se: SubElement) {
[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/regex.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |                 -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 28 |     Operator::Not(Box::new(se))
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/regex.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 32 |     Operator::Plus(Box::new(se))
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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/regex.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 36 |     Operator::Star(Box::new(se))
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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/regex.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |                    -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 40 |     Operator::Option(Box::new(se))
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/regex.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `se`
[INFO] [stdout]   --> src/regex.rs:57:31
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_se`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/regex.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 5  |     Not(Box<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Plus(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     Star(Box<SubElement>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     Option(Box<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Concat(Vec<SubElement>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     And(BTreeSet<SubElement>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Or(BTreeSet<SubElement>)
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operator`, `SymbolRange`, and `String` are never constructed
[INFO] [stdout]   --> src/regex.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum SubElement {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 22 |     Operator(Operator),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     SymbolRange(SymbolRange),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 24 |     String(Vec<char>)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_not` is never used
[INFO] [stdout]   --> src/regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_plus` is never used
[INFO] [stdout]   --> src/regex.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_star` is never used
[INFO] [stdout]   --> src/regex.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_option` is never used
[INFO] [stdout]   --> src/regex.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_concat` is never used
[INFO] [stdout]   --> src/regex.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn make_concat() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_and` is never used
[INFO] [stdout]   --> src/regex.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn make_and() -> Operator {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_or` is never used
[INFO] [stdout]   --> src/regex.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn make_or() -> Operator {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sim_add` is never used
[INFO] [stdout]   --> src/regex.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn sim_add(op: &mut Operator, se: SubElement) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add` is never used
[INFO] [stdout]   --> src/regex.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 63 |     pub fn add(&mut self, se: SubElement) {
[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/regex.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn make_not(se: SubElement) -> Operator {
[INFO] [stdout]    |                 -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 28 |     Operator::Not(Box::new(se))
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/regex.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn make_plus(se: SubElement) -> Operator {
[INFO] [stdout]    |                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 32 |     Operator::Plus(Box::new(se))
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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/regex.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn make_star(se: SubElement) -> Operator {
[INFO] [stdout]    |                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 36 |     Operator::Star(Box::new(se))
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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/regex.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn make_option(se: SubElement) -> Operator {
[INFO] [stdout]    |                    -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 40 |     Operator::Option(Box::new(se))
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parse-exs` (lib) due to 5 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `parse-exs` (lib test) due to 5 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8d96d037ef8c370f0ccbeb076871edc9fc2517136de40a1e37bffed581d6edf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d96d037ef8c370f0ccbeb076871edc9fc2517136de40a1e37bffed581d6edf7", kill_on_drop: false }`
[INFO] [stdout] 8d96d037ef8c370f0ccbeb076871edc9fc2517136de40a1e37bffed581d6edf7