[INFO] cloning repository https://github.com/Waqar144/cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Waqar144/cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaqar144%2Fcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaqar144%2Fcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40b4853af2342aeb14adf16df9c4823147ceb519
[INFO] building Waqar144/cc 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%2FWaqar144%2Fcc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Waqar144/cc 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/Waqar144/cc
[INFO] finished tweaking git repo https://github.com/Waqar144/cc
[INFO] tweaked toml for git repo https://github.com/Waqar144/cc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Waqar144/cc 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f70d89464e70d5abb3c4f152428d3dcc3f04896886d963625ab9ffaa814eaf0
[INFO] running `Command { std: "docker" "start" "-a" "1f70d89464e70d5abb3c4f152428d3dcc3f04896886d963625ab9ffaa814eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f70d89464e70d5abb3c4f152428d3dcc3f04896886d963625ab9ffaa814eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f70d89464e70d5abb3c4f152428d3dcc3f04896886d963625ab9ffaa814eaf0", kill_on_drop: false }`
[INFO] [stdout] 1f70d89464e70d5abb3c4f152428d3dcc3f04896886d963625ab9ffaa814eaf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 307c038602e14012e6a5f6506f4a2427051970e22d1b7ea63e07d2b366c82fa3
[INFO] running `Command { std: "docker" "start" "-a" "307c038602e14012e6a5f6506f4a2427051970e22d1b7ea63e07d2b366c82fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> src/parser.rs:1861:48
[INFO] [stdout]      |
[INFO] [stdout] 1861 |     fn text<'a>(&'a self, token: &'a Token) -> &str {
[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/token.rs:92:51
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'a>(&'a self, source: &'a str) -> &str {
[INFO] [stdout]    |                 -- lifetime `'a` declared here    ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/node.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Block {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub token: Token,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` 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 `array_len` is never read
[INFO] [stdout]   --> src/ty.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Array {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 55 |         array_len: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "307c038602e14012e6a5f6506f4a2427051970e22d1b7ea63e07d2b366c82fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307c038602e14012e6a5f6506f4a2427051970e22d1b7ea63e07d2b366c82fa3", kill_on_drop: false }`
[INFO] [stdout] 307c038602e14012e6a5f6506f4a2427051970e22d1b7ea63e07d2b366c82fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 85fa64a0c61800d5fcb6bf7ba77299d2190e6e529646adf3db93783dd8d1139f
[INFO] running `Command { std: "docker" "start" "-a" "85fa64a0c61800d5fcb6bf7ba77299d2190e6e529646adf3db93783dd8d1139f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> src/parser.rs:1861:48
[INFO] [stdout]      |
[INFO] [stdout] 1861 |     fn text<'a>(&'a self, token: &'a Token) -> &str {
[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/token.rs:92:51
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'a>(&'a self, source: &'a str) -> &str {
[INFO] [stdout]    |                 -- lifetime `'a` declared here    ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/node.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Block {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub token: Token,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Block` 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 `array_len` is never read
[INFO] [stdout]   --> src/ty.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Array {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 55 |         array_len: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "85fa64a0c61800d5fcb6bf7ba77299d2190e6e529646adf3db93783dd8d1139f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fa64a0c61800d5fcb6bf7ba77299d2190e6e529646adf3db93783dd8d1139f", kill_on_drop: false }`
[INFO] [stdout] 85fa64a0c61800d5fcb6bf7ba77299d2190e6e529646adf3db93783dd8d1139f