[INFO] cloning repository https://github.com/bwhetherington/toy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwhetherington/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7913a8476cd7c65becd47d4183abe769d1ac4848
[INFO] checking bwhetherington/toy-lang against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Ftoy-lang" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/toy-lang on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] finished tweaking git repo https://github.com/bwhetherington/toy-lang
[INFO] tweaked toml for git repo https://github.com/bwhetherington/toy-lang written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bwhetherington/toy-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eaec5a77a86eeb01c7c2a1360216e002501c386573dbe377b1a38e986d3d7836
[INFO] running `Command { std: "docker" "start" "-a" "eaec5a77a86eeb01c7c2a1360216e002501c386573dbe377b1a38e986d3d7836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaec5a77a86eeb01c7c2a1360216e002501c386573dbe377b1a38e986d3d7836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaec5a77a86eeb01c7c2a1360216e002501c386573dbe377b1a38e986d3d7836", kill_on_drop: false }`
[INFO] [stdout] eaec5a77a86eeb01c7c2a1360216e002501c386573dbe377b1a38e986d3d7836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05607be042389186670b868ddd89357f026830264db3d663133dc63879b322ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05607be042389186670b868ddd89357f026830264db3d663133dc63879b322ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking rscript2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/runtime/builtins.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]    --> src/main.rs:28:9
[INFO] [stdout]     |
[INFO] [stdout] 28  |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/runtime/builtins.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]    --> src/main.rs:28:9
[INFO] [stdout]     |
[INFO] [stdout] 28  |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iterate_value`
[INFO] [stdout]    --> src/runtime/engine.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iterate_value(&mut self, val: &Value, f: impl Fn(&Value) -> TLResult<()>) -> TLResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_method`
[INFO] [stdout]    --> src/runtime/engine.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn eval_method(&mut self, obj: &Value, method: &str, args: &[Value]) -> TLResult<Value> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_relative`
[INFO] [stdout]   --> src/module/resolve.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_relative(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iterate_value`
[INFO] [stdout]    --> src/runtime/engine.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn iterate_value(&mut self, val: &Value, f: impl Fn(&Value) -> TLResult<()>) -> TLResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_method`
[INFO] [stdout]    --> src/runtime/engine.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     fn eval_method(&mut self, obj: &Value, method: &str, args: &[Value]) -> TLResult<Value> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.02s
[INFO] running `Command { std: "docker" "inspect" "05607be042389186670b868ddd89357f026830264db3d663133dc63879b322ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05607be042389186670b868ddd89357f026830264db3d663133dc63879b322ee", kill_on_drop: false }`
[INFO] [stdout] 05607be042389186670b868ddd89357f026830264db3d663133dc63879b322ee