[INFO] cloning repository https://github.com/etai432/klang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etai432/klang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetai432%2Fklang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetai432%2Fklang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ff390c451a2db91aaddf0a956b00400beae899f
[INFO] building etai432/klang 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%2Fetai432%2Fklang" "/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/etai432/klang 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/etai432/klang
[INFO] finished tweaking git repo https://github.com/etai432/klang
[INFO] tweaked toml for git repo https://github.com/etai432/klang written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/etai432/klang 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c2f9fb2fd073520cb99d2287d8831e20aa96ac72a0ffece3e6b24f5b24ef4d
[INFO] running `Command { std: "docker" "start" "-a" "36c2f9fb2fd073520cb99d2287d8831e20aa96ac72a0ffece3e6b24f5b24ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c2f9fb2fd073520cb99d2287d8831e20aa96ac72a0ffece3e6b24f5b24ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c2f9fb2fd073520cb99d2287d8831e20aa96ac72a0ffece3e6b24f5b24ef4d", kill_on_drop: false }`
[INFO] [stdout] 36c2f9fb2fd073520cb99d2287d8831e20aa96ac72a0ffece3e6b24f5b24ef4d
[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 -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] f0793a83f6ba2db0325207171b0b71e8f36c90ebfafaf1cfa18d96ca8567d1f2
[INFO] running `Command { std: "docker" "start" "-a" "f0793a83f6ba2db0325207171b0b71e8f36c90ebfafaf1cfa18d96ca8567d1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling klang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/interpreter/parser.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 15 |     pub fn new(tokens: Vec<Token>, filename: &'a str) -> Parser {
[INFO] [stdout]    |                                                          ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "f0793a83f6ba2db0325207171b0b71e8f36c90ebfafaf1cfa18d96ca8567d1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0793a83f6ba2db0325207171b0b71e8f36c90ebfafaf1cfa18d96ca8567d1f2", kill_on_drop: false }`
[INFO] [stdout] f0793a83f6ba2db0325207171b0b71e8f36c90ebfafaf1cfa18d96ca8567d1f2
[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 -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] 3435b1015bf58c48d13e7678c5bfe90b6bbf16aecd9344019d4de010371b693b
[INFO] running `Command { std: "docker" "start" "-a" "3435b1015bf58c48d13e7678c5bfe90b6bbf16aecd9344019d4de010371b693b", kill_on_drop: false }`
[INFO] [stderr]    Compiling klang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/interpreter/parser.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 15 |     pub fn new(tokens: Vec<Token>, filename: &'a str) -> Parser {
[INFO] [stdout]    |                                                          ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3435b1015bf58c48d13e7678c5bfe90b6bbf16aecd9344019d4de010371b693b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3435b1015bf58c48d13e7678c5bfe90b6bbf16aecd9344019d4de010371b693b", kill_on_drop: false }`
[INFO] [stdout] 3435b1015bf58c48d13e7678c5bfe90b6bbf16aecd9344019d4de010371b693b