[INFO] cloning repository https://github.com/RealDummy/langtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RealDummy/langtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealDummy%2Flangtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealDummy%2Flangtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8279baf9b3a8301de1b1df796f4a274ae89c688e
[INFO] building RealDummy/langtest 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%2FRealDummy%2Flangtest" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RealDummy/langtest 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/RealDummy/langtest
[INFO] finished tweaking git repo https://github.com/RealDummy/langtest
[INFO] tweaked toml for git repo https://github.com/RealDummy/langtest written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RealDummy/langtest 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] [stderr] warning: unused manifest key: env
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d65043271311bd7b0d251323b97515518bf5f619ded9beda68c2ee7770ac29ac
[INFO] running `Command { std: "docker" "start" "-a" "d65043271311bd7b0d251323b97515518bf5f619ded9beda68c2ee7770ac29ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d65043271311bd7b0d251323b97515518bf5f619ded9beda68c2ee7770ac29ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65043271311bd7b0d251323b97515518bf5f619ded9beda68c2ee7770ac29ac", kill_on_drop: false }`
[INFO] [stdout] d65043271311bd7b0d251323b97515518bf5f619ded9beda68c2ee7770ac29ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e3c69ab0d21a726adf4b34d00e31d3e1af5df81d125e82d437a8357d9d95f71
[INFO] running `Command { std: "docker" "start" "-a" "8e3c69ab0d21a726adf4b34d00e31d3e1af5df81d125e82d437a8357d9d95f71", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: env
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `e` in this scope
[INFO] [stdout]   --> src/types.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     match e {
[INFO] [stdout]    |           ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::eval`
[INFO] [stdout]  --> src/types.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::eval;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types.rs:53:39
[INFO] [stdout]    |
[INFO] [stdout] 53 |           Expr::Binary(lhs, op, rhs) => {
[INFO] [stdout]    |  _______________________________________^
[INFO] [stdout] 54 | |
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________^ expected `Result<Type, ()>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Type, ()>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/types.rs:56:34
[INFO] [stdout]    |
[INFO] [stdout] 56 |           Expr::Get(val, field) => {
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 57 | |
[INFO] [stdout] 58 | |         }
[INFO] [stdout]    | |_________^ expected `Result<Type, ()>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Type, ()>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/eval.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn eval_l_unary(op: &Token, e: Value) -> Value {
[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: `e`
[INFO] [stdout]    --> src/eval.rs:188:29
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn eval_l_unary(op: &Token, e: Value) -> Value {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/types.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |             (Type::Func(..), t) => false,
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lang` (bin "lang") due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8e3c69ab0d21a726adf4b34d00e31d3e1af5df81d125e82d437a8357d9d95f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3c69ab0d21a726adf4b34d00e31d3e1af5df81d125e82d437a8357d9d95f71", kill_on_drop: false }`
[INFO] [stdout] 8e3c69ab0d21a726adf4b34d00e31d3e1af5df81d125e82d437a8357d9d95f71