[INFO] cloning repository https://github.com/Himasnhu-AT/miniLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Himasnhu-AT/miniLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimasnhu-AT%2FminiLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimasnhu-AT%2FminiLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f6470f70b3073bc587d264ff2c17c1a29c9647
[INFO] checking Himasnhu-AT/miniLang against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimasnhu-AT%2FminiLang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Himasnhu-AT/miniLang
[INFO] finished tweaking git repo https://github.com/Himasnhu-AT/miniLang
[INFO] tweaked toml for git repo https://github.com/Himasnhu-AT/miniLang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Himasnhu-AT/miniLang on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Himasnhu-AT/miniLang 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Himasnhu-AT/miniLang against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHimasnhu-AT%2FminiLang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Himasnhu-AT/miniLang
[INFO] finished tweaking git repo https://github.com/Himasnhu-AT/miniLang
[INFO] tweaked toml for git repo https://github.com/Himasnhu-AT/miniLang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Himasnhu-AT/miniLang on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Himasnhu-AT/miniLang 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d5d7a3fb7fcf76ef17ede34af6d57ad62d0f4d5f0ef3295b8eb921062c4557
[INFO] running `Command { std: "docker" "start" "-a" "d9d5d7a3fb7fcf76ef17ede34af6d57ad62d0f4d5f0ef3295b8eb921062c4557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d5d7a3fb7fcf76ef17ede34af6d57ad62d0f4d5f0ef3295b8eb921062c4557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d5d7a3fb7fcf76ef17ede34af6d57ad62d0f4d5f0ef3295b8eb921062c4557", kill_on_drop: false }`
[INFO] [stdout] d9d5d7a3fb7fcf76ef17ede34af6d57ad62d0f4d5f0ef3295b8eb921062c4557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c0330fd5507997ed58e90e1d67694e0974527a5ef050cd9f676b0829f433127
[INFO] running `Command { std: "docker" "start" "-a" "7c0330fd5507997ed58e90e1d67694e0974527a5ef050cd9f676b0829f433127", kill_on_drop: false }`
[INFO] [stderr]     Checking minilang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/binding_def.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BindingDef {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) fn eval(&self, env: &mut Env) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/expr.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub(crate) fn eval(&self) -> Val {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> src/env.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct Env {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_binding` is never used
[INFO] [stdout]   --> src/env.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Env {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 10 |     pub(crate) fn store_binding(&mut self, name: String, val: Val) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `eval` is never used
[INFO] [stdout]   --> src/binding_def.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl BindingDef {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) fn eval(&self, env: &mut Env) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> src/env.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct Env {
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_binding` is never used
[INFO] [stdout]   --> src/env.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Env {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 10 |     pub(crate) fn store_binding(&mut self, name: String, val: Val) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "7c0330fd5507997ed58e90e1d67694e0974527a5ef050cd9f676b0829f433127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0330fd5507997ed58e90e1d67694e0974527a5ef050cd9f676b0829f433127", kill_on_drop: false }`
[INFO] [stdout] 7c0330fd5507997ed58e90e1d67694e0974527a5ef050cd9f676b0829f433127
