[INFO] cloning repository https://github.com/emm312/emmir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emm312/emmir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Femmir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Femmir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eea057482da272f6ee645a35859d85c2af5f994a
[INFO] checking emm312/emmir against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Femmir" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emm312/emmir
[INFO] finished tweaking git repo https://github.com/emm312/emmir
[INFO] tweaked toml for git repo https://github.com/emm312/emmir written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emm312/emmir on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emm312/emmir 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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 emm312/emmir against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Femmir" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emm312/emmir
[INFO] finished tweaking git repo https://github.com/emm312/emmir
[INFO] tweaked toml for git repo https://github.com/emm312/emmir written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emm312/emmir on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emm312/emmir 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe6d9c33d917f6d780d0f5e0117d352b36c8bf5eac8c48d47fc3228d3590075
[INFO] running `Command { std: "docker" "start" "-a" "dfe6d9c33d917f6d780d0f5e0117d352b36c8bf5eac8c48d47fc3228d3590075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe6d9c33d917f6d780d0f5e0117d352b36c8bf5eac8c48d47fc3228d3590075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe6d9c33d917f6d780d0f5e0117d352b36c8bf5eac8c48d47fc3228d3590075", kill_on_drop: false }`
[INFO] [stdout] dfe6d9c33d917f6d780d0f5e0117d352b36c8bf5eac8c48d47fc3228d3590075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e070ee3769780bc226e7c2345137fb9e87d2f8350ac633e64eb83e913a23f15f
[INFO] running `Command { std: "docker" "start" "-a" "e070ee3769780bc226e7c2345137fb9e87d2f8350ac633e64eb83e913a23f15f", kill_on_drop: false }`
[INFO] [stderr]     Checking emmir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::builder::*`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use crate::builder::*;
[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: `crate::builder::*`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub use crate::builder::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocks` is never read
[INFO] [stdout]   --> src/ir.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Program {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 28 |     pub(crate) blocks: HashMap<BlockID, Block>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/interpreter.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Stack(Vec<Value>);
[INFO] [stdout]   |        ----- ^^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pop` and `push` are never used
[INFO] [stdout]   --> src/interpreter.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout]  8 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn push(&mut self, val: Value) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prog`, `current_block`, and `stack` are never read
[INFO] [stdout]   --> src/interpreter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Runner {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 17 |     prog: Program,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     current_block: BlockID,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     stack: Stack
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_block` is never used
[INFO] [stdout]   --> src/interpreter.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Runner {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 23 |     fn run_block(&mut self, blocks: &HashMap<BlockID, Block>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Builder` is never constructed
[INFO] [stdout]  --> src/builder.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Builder {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_block`, `set_block`, and `push_add` are never used
[INFO] [stdout]   --> src/builder.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Builder {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 10 |     pub fn push_block(&mut self) -> BlockID {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_block(&mut self, id: BlockID) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push_add(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocks` is never read
[INFO] [stdout]   --> src/ir.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Program {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 28 |     pub(crate) blocks: HashMap<BlockID, Block>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/interpreter.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Stack(Vec<Value>);
[INFO] [stdout]   |        ----- ^^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pop` and `push` are never used
[INFO] [stdout]   --> src/interpreter.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout]  8 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn push(&mut self, val: Value) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prog`, `current_block`, and `stack` are never read
[INFO] [stdout]   --> src/interpreter.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Runner {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 17 |     prog: Program,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     current_block: BlockID,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     stack: Stack
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run_block` is never used
[INFO] [stdout]   --> src/interpreter.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Runner {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 23 |     fn run_block(&mut self, blocks: &HashMap<BlockID, Block>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Builder` is never constructed
[INFO] [stdout]  --> src/builder.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Builder {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_block`, `set_block`, and `push_add` are never used
[INFO] [stdout]   --> src/builder.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Builder {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 10 |     pub fn push_block(&mut self) -> BlockID {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_block(&mut self, id: BlockID) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push_add(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e070ee3769780bc226e7c2345137fb9e87d2f8350ac633e64eb83e913a23f15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e070ee3769780bc226e7c2345137fb9e87d2f8350ac633e64eb83e913a23f15f", kill_on_drop: false }`
[INFO] [stdout] e070ee3769780bc226e7c2345137fb9e87d2f8350ac633e64eb83e913a23f15f