[INFO] cloning repository https://github.com/McCoady/toadyvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/McCoady/toadyvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoady%2Ftoadyvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoady%2Ftoadyvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f98a8f012dd1178e9db7b7b5d6118e2dd6b83af3
[INFO] checking McCoady/toadyvm against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoady%2Ftoadyvm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/McCoady/toadyvm on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/McCoady/toadyvm
[INFO] finished tweaking git repo https://github.com/McCoady/toadyvm
[INFO] tweaked toml for git repo https://github.com/McCoady/toadyvm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/McCoady/toadyvm 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking McCoady/toadyvm against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoady%2Ftoadyvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/McCoady/toadyvm on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/McCoady/toadyvm
[INFO] finished tweaking git repo https://github.com/McCoady/toadyvm
[INFO] tweaked toml for git repo https://github.com/McCoady/toadyvm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/McCoady/toadyvm 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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking McCoady/toadyvm against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoady%2Ftoadyvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/McCoady/toadyvm on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/McCoady/toadyvm
[INFO] finished tweaking git repo https://github.com/McCoady/toadyvm
[INFO] tweaked toml for git repo https://github.com/McCoady/toadyvm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/McCoady/toadyvm 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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded ruint-macro v1.1.0
[INFO] [stderr]   Downloaded rlp v0.5.2
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded ark-ff-macros v0.3.0
[INFO] [stderr]   Downloaded equivalent v1.0.1
[INFO] [stderr]   Downloaded primitive-types v0.12.2
[INFO] [stderr]   Downloaded ark-ff-asm v0.3.0
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded smol_str v0.2.0
[INFO] [stderr]   Downloaded ark-serialize v0.3.0
[INFO] [stderr]   Downloaded ark-ff v0.3.0
[INFO] [stderr]   Downloaded ark-ff v0.4.2
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded pest v2.7.4
[INFO] [stderr]   Downloaded toml_edit v0.19.15
[INFO] [stderr]   Downloaded hashbrown v0.14.2
[INFO] [stderr]   Downloaded winnow v0.5.17
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] [stderr]   Downloaded indexmap v2.0.2
[INFO] [stderr]   Downloaded bitvec v1.0.1
[INFO] [stderr]   Downloaded proptest v1.3.1
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.5
[INFO] [stderr]   Downloaded ruint v1.10.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.6
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded auto_impl v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded fixed-hash v0.8.0
[INFO] [stderr]   Downloaded arrayvec v0.7.4
[INFO] [stderr]   Downloaded radium v0.7.0
[INFO] [stderr]   Downloaded wyz v0.5.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.5
[INFO] [stderr]   Downloaded uint v0.9.5
[INFO] [stderr]   Downloaded alloy-rlp v0.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.50
[INFO] [stderr]   Downloaded thiserror v1.0.50
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded ark-ff-asm v0.4.2
[INFO] [stderr]   Downloaded funty v2.0.0
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.2
[INFO] [stderr]   Downloaded ark-std v0.3.0
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded semver v0.11.0
[INFO] [stderr]   Downloaded ark-ff-macros v0.4.2
[INFO] [stderr]   Downloaded ark-serialize v0.4.2
[INFO] [stderr]   Downloaded ark-std v0.4.0
[INFO] [stderr]   Downloaded paste v1.0.14
[INFO] [stderr]   Downloaded fastrlp v0.3.1
[INFO] [stderr]   Downloaded toml_datetime v0.6.3
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded zeroize_derive v1.4.2
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.2
[INFO] [stderr]   Downloaded impl-codec v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 845e91af5c804562f0a665bd17797c137cdb66bc46b867452c1ef3715698a58d
[INFO] running `Command { std: "docker" "start" "-a" "845e91af5c804562f0a665bd17797c137cdb66bc46b867452c1ef3715698a58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845e91af5c804562f0a665bd17797c137cdb66bc46b867452c1ef3715698a58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845e91af5c804562f0a665bd17797c137cdb66bc46b867452c1ef3715698a58d", kill_on_drop: false }`
[INFO] [stdout] 845e91af5c804562f0a665bd17797c137cdb66bc46b867452c1ef3715698a58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfa9413dba6a073bfd304c516a50da182629bb519f4c46eccf2e17c50dcca655
[INFO] running `Command { std: "docker" "start" "-a" "bfa9413dba6a073bfd304c516a50da182629bb519f4c46eccf2e17c50dcca655", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruint-macro v1.1.0
[INFO] [stderr]     Checking ruint v1.10.1
[INFO] [stderr]     Checking toadyvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/runner.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/runner.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_runner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `memory` are never read
[INFO] [stdout]  --> src/runner.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Runner {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     code: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     stack: Stack,
[INFO] [stdout] 7 |     memory: Memory,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_runner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut runner = Runner::from_code(bytecode);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Stack {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     data: Vec<U256> 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `pop`, and `len` are never used
[INFO] [stdout]   --> src/stack.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn push(&mut self, item: U256) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn pop(&mut self) -> U256 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/memory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Memory {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     data: Vec<U256>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `store` and `load` are never used
[INFO] [stdout]   --> src/memory.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Memory {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn store(&mut self, offset: usize, item: U256) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn load(&self, offset: usize) -> U256 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `stack`, `memory`, and `pc` are never read
[INFO] [stdout]  --> src/runner.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Runner {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     code: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     stack: Stack,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     memory: Memory,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     pc: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "bfa9413dba6a073bfd304c516a50da182629bb519f4c46eccf2e17c50dcca655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa9413dba6a073bfd304c516a50da182629bb519f4c46eccf2e17c50dcca655", kill_on_drop: false }`
[INFO] [stdout] bfa9413dba6a073bfd304c516a50da182629bb519f4c46eccf2e17c50dcca655
