[INFO] cloning repository https://github.com/Sc1pex/monkey_interp_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sc1pex/monkey_interp_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Fmonkey_interp_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Fmonkey_interp_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c07ab98a255b973157b437626035c5193a40957
[INFO] checking Sc1pex/monkey_interp_rust against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Fmonkey_interp_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Sc1pex/monkey_interp_rust
[INFO] finished tweaking git repo https://github.com/Sc1pex/monkey_interp_rust
[INFO] tweaked toml for git repo https://github.com/Sc1pex/monkey_interp_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sc1pex/monkey_interp_rust on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sc1pex/monkey_interp_rust 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "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 Sc1pex/monkey_interp_rust against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Fmonkey_interp_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Sc1pex/monkey_interp_rust
[INFO] finished tweaking git repo https://github.com/Sc1pex/monkey_interp_rust
[INFO] tweaked toml for git repo https://github.com/Sc1pex/monkey_interp_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sc1pex/monkey_interp_rust on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sc1pex/monkey_interp_rust 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5e3e10fccf19387d180cdc2a7edba2a8ecf8d7332e4c540bbe9e1aee49c7f51
[INFO] running `Command { std: "docker" "start" "-a" "a5e3e10fccf19387d180cdc2a7edba2a8ecf8d7332e4c540bbe9e1aee49c7f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e3e10fccf19387d180cdc2a7edba2a8ecf8d7332e4c540bbe9e1aee49c7f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e3e10fccf19387d180cdc2a7edba2a8ecf8d7332e4c540bbe9e1aee49c7f51", kill_on_drop: false }`
[INFO] [stdout] a5e3e10fccf19387d180cdc2a7edba2a8ecf8d7332e4c540bbe9e1aee49c7f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb08d9ee254ec3c04ff2897e8110fe50dac54033203640ffbe508a46329c3706
[INFO] running `Command { std: "docker" "start" "-a" "fb08d9ee254ec3c04ff2897e8110fe50dac54033203640ffbe508a46329c3706", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey-interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/builtin.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{fmt::Display, ops::Deref, rc::Rc};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/builtin.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{fmt::Display, ops::Deref, rc::Rc};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/mod.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/vm/mod.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout]  87 |                   OpCode::Constant => {
[INFO] [stdout]     |                   ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 | /                 OpCode::Add
[INFO] [stdout]  93 | |                 | OpCode::Sub
[INFO] [stdout]  94 | |                 | OpCode::Mul
[INFO] [stdout]  95 | |                 | OpCode::Div
[INFO] [stdout]  96 | |                 | OpCode::Greater
[INFO] [stdout]  97 | |                 | OpCode::Eq
[INFO] [stdout]  98 | |                 | OpCode::NotEq => self.execute_bin_op(op)?,
[INFO] [stdout]     | |_______________________________- matches some of the same values
[INFO] [stdout]  99 |                   OpCode::Pop => {
[INFO] [stdout]     |                   ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 102 |                   OpCode::True => self.push(Object::Bool(true))?,
[INFO] [stdout]     |                   ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 209 |                   _ => todo!(),
[INFO] [stdout]     |                   ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/mod.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/vm/mod.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout]  87 |                   OpCode::Constant => {
[INFO] [stdout]     |                   ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  92 | /                 OpCode::Add
[INFO] [stdout]  93 | |                 | OpCode::Sub
[INFO] [stdout]  94 | |                 | OpCode::Mul
[INFO] [stdout]  95 | |                 | OpCode::Div
[INFO] [stdout]  96 | |                 | OpCode::Greater
[INFO] [stdout]  97 | |                 | OpCode::Eq
[INFO] [stdout]  98 | |                 | OpCode::NotEq => self.execute_bin_op(op)?,
[INFO] [stdout]     | |_______________________________- matches some of the same values
[INFO] [stdout]  99 |                   OpCode::Pop => {
[INFO] [stdout]     |                   ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 102 |                   OpCode::True => self.push(Object::Bool(true))?,
[INFO] [stdout]     |                   ------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 209 |                   _ => todo!(),
[INFO] [stdout]     |                   ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "fb08d9ee254ec3c04ff2897e8110fe50dac54033203640ffbe508a46329c3706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb08d9ee254ec3c04ff2897e8110fe50dac54033203640ffbe508a46329c3706", kill_on_drop: false }`
[INFO] [stdout] fb08d9ee254ec3c04ff2897e8110fe50dac54033203640ffbe508a46329c3706