[INFO] cloning repository https://github.com/cacau-lang/cacau-nom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cacau-lang/cacau-nom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcacau-lang%2Fcacau-nom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcacau-lang%2Fcacau-nom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a428b1a381f5b4d5d872ce13824f8b294043d37b
[INFO] building cacau-lang/cacau-nom 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%2Fcacau-lang%2Fcacau-nom" "/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/cacau-lang/cacau-nom 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/cacau-lang/cacau-nom
[INFO] finished tweaking git repo https://github.com/cacau-lang/cacau-nom
[INFO] tweaked toml for git repo https://github.com/cacau-lang/cacau-nom written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cacau-lang/cacau-nom 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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77310a9a34cb34bc1aeb217bb7a940c11684973878de907acb91560cbf41e4f9
[INFO] running `Command { std: "docker" "start" "-a" "77310a9a34cb34bc1aeb217bb7a940c11684973878de907acb91560cbf41e4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77310a9a34cb34bc1aeb217bb7a940c11684973878de907acb91560cbf41e4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77310a9a34cb34bc1aeb217bb7a940c11684973878de907acb91560cbf41e4f9", kill_on_drop: false }`
[INFO] [stdout] 77310a9a34cb34bc1aeb217bb7a940c11684973878de907acb91560cbf41e4f9
[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 -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] 322dcf896664db82f79965a057e2ab0aeb144da0843d87146326a4ffcc4577b6
[INFO] running `Command { std: "docker" "start" "-a" "322dcf896664db82f79965a057e2ab0aeb144da0843d87146326a4ffcc4577b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cacau-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/main.rs:70:50
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn parse_char<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:76:56
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn parse_expression<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:103:61
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn parse_type_annotation<'a>(input: &'a str) -> IResult<&str, &str> {
[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/main.rs:103:67
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn parse_type_annotation<'a>(input: &'a str) -> IResult<&str, &str> {
[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/main.rs:122:56
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn parse_assignment<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:149:46
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn parse_bool<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:160:53
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn parse_integer<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:167:60
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn parse_identifier_str<'a>(input: &'a str) -> IResult<&str, &'a str> {
[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/main.rs:179:56
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub fn parse_identifier<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[INFO] [stdout]     |                         -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_struct_definition` is never used
[INFO] [stdout]   --> src/structs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn parse_struct_definition() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     dbg!(parse_assignment("let x = 5"));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 |     dbg!(parse_assignment("let x: int = 5"));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "322dcf896664db82f79965a057e2ab0aeb144da0843d87146326a4ffcc4577b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322dcf896664db82f79965a057e2ab0aeb144da0843d87146326a4ffcc4577b6", kill_on_drop: false }`
[INFO] [stdout] 322dcf896664db82f79965a057e2ab0aeb144da0843d87146326a4ffcc4577b6
[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 -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] 30040cc4f91637135809f4fdbd4e2c97add8ed75634f5b76035c6759e9be0aff
[INFO] running `Command { std: "docker" "start" "-a" "30040cc4f91637135809f4fdbd4e2c97add8ed75634f5b76035c6759e9be0aff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cacau-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/main.rs:70:50
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn parse_char<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:76:56
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn parse_expression<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:103:61
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn parse_type_annotation<'a>(input: &'a str) -> IResult<&str, &str> {
[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/main.rs:103:67
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn parse_type_annotation<'a>(input: &'a str) -> IResult<&str, &str> {
[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/main.rs:122:56
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn parse_assignment<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:149:46
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn parse_bool<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:160:53
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn parse_integer<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[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/main.rs:167:60
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn parse_identifier_str<'a>(input: &'a str) -> IResult<&str, &'a str> {
[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/main.rs:179:56
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub fn parse_identifier<'a>(input: &'a str) -> IResult<&str, Expression<'a>> {
[INFO] [stdout]     |                         -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_struct_definition` is never used
[INFO] [stdout]   --> src/structs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn parse_struct_definition() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     dbg!(parse_assignment("let x = 5"));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 |     dbg!(parse_assignment("let x: int = 5"));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "30040cc4f91637135809f4fdbd4e2c97add8ed75634f5b76035c6759e9be0aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30040cc4f91637135809f4fdbd4e2c97add8ed75634f5b76035c6759e9be0aff", kill_on_drop: false }`
[INFO] [stdout] 30040cc4f91637135809f4fdbd4e2c97add8ed75634f5b76035c6759e9be0aff