[INFO] cloning repository https://github.com/jaerius/circom-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaerius/circom-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaerius%2Fcircom-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaerius%2Fcircom-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a893d5f17dc3c45e880661dda301c3ec7e8cd827
[INFO] checking jaerius/circom-example against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaerius%2Fcircom-example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jaerius/circom-example
[INFO] finished tweaking git repo https://github.com/jaerius/circom-example
[INFO] tweaked toml for git repo https://github.com/jaerius/circom-example written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jaerius/circom-example on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jaerius/circom-example 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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 jaerius/circom-example against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaerius%2Fcircom-example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jaerius/circom-example
[INFO] finished tweaking git repo https://github.com/jaerius/circom-example
[INFO] tweaked toml for git repo https://github.com/jaerius/circom-example written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jaerius/circom-example on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jaerius/circom-example 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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 codespan v0.9.5
[INFO] [stderr]   Downloaded handlebars v4.3.3
[INFO] [stderr]   Downloaded pest_derive v2.2.1
[INFO] [stderr]   Downloaded pest_meta v2.2.1
[INFO] [stderr]   Downloaded pest_generator v2.2.1
[INFO] [stderr]   Downloaded libm v0.2.3
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded serde_derive v1.0.141
[INFO] [stderr]   Downloaded wast v39.0.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded serde v1.0.141
[INFO] [stderr]   Downloaded lz_fnv v0.1.2
[INFO] [stderr]   Downloaded lalrpop v0.19.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccac75e7104450c2a7d32d71659920e795217f01ddf91da999b5a2015f78a6ce
[INFO] running `Command { std: "docker" "start" "-a" "ccac75e7104450c2a7d32d71659920e795217f01ddf91da999b5a2015f78a6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccac75e7104450c2a7d32d71659920e795217f01ddf91da999b5a2015f78a6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccac75e7104450c2a7d32d71659920e795217f01ddf91da999b5a2015f78a6ce", kill_on_drop: false }`
[INFO] [stdout] ccac75e7104450c2a7d32d71659920e795217f01ddf91da999b5a2015f78a6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc8d77f1db60324d8df0083b98081d5e2d8e430ed6f254764f88af0e6c7fb5f
[INFO] running `Command { std: "docker" "start" "-a" "8bc8d77f1db60324d8df0083b98081d5e2d8e430ed6f254764f88af0e6c7fb5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling serde v1.0.141
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling libm v0.2.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.141
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking constant_tracking v2.0.0 (/opt/rustwide/workdir/constant_tracking)
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking circom_algebra v2.1.4 (/opt/rustwide/workdir/circom_algebra)
[INFO] [stderr]     Checking lz_fnv v0.1.2
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]     Checking constraint_writers v2.1.8 (/opt/rustwide/workdir/constraint_writers)
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling pest v2.2.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pest_meta v2.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking wast v39.0.0
[INFO] [stderr]    Compiling pest_generator v2.2.1
[INFO] [stderr]     Checking program_structure v2.1.9 (/opt/rustwide/workdir/program_structure)
[INFO] [stderr]     Checking constraint_list v2.1.8 (/opt/rustwide/workdir/constraint_list)
[INFO] [stdout] warning: value assigned to `round_id` is never read
[INFO] [stdout]    --> constraint_list/src/constraint_simplification.rs:639:9
[INFO] [stdout]     |
[INFO] [stdout] 639 |         round_id += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]     Checking dag v2.1.8 (/opt/rustwide/workdir/dag)
[INFO] [stderr]     Checking type_analysis v2.1.9 (/opt/rustwide/workdir/type_analysis)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dag/src/lib.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(dag: &DAG) -> Tree {
[INFO] [stdout]    |                     ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(dag: &DAG) -> Tree<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dag/src/lib.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(dag: &DAG) -> Tree {
[INFO] [stdout]    |                     ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(dag: &DAG) -> Tree<'_> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `round_id` is never read
[INFO] [stdout]    --> constraint_list/src/constraint_simplification.rs:639:9
[INFO] [stdout]     |
[INFO] [stdout] 639 |         round_id += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest_derive v2.2.1
[INFO] [stderr]     Checking handlebars v4.3.3
[INFO] [stderr]     Checking code_producers v2.1.9 (/opt/rustwide/workdir/code_producers)
[INFO] [stderr]     Checking compiler v2.1.9 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: trait `CheckCompute` is never used
[INFO] [stdout]   --> compiler/src/intermediate_representation/ir_interface.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait CheckCompute {
[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 `name` is never read
[INFO] [stdout]   --> compiler/src/hir/analysis_utilities.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct GenericFunction {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 10 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking constraint_generation v2.1.9 (/opt/rustwide/workdir/constraint_generation)
[INFO] [stdout] warning: trait `CheckCompute` is never used
[INFO] [stdout]   --> compiler/src/intermediate_representation/ir_interface.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait CheckCompute {
[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 `name` is never read
[INFO] [stdout]   --> compiler/src/hir/analysis_utilities.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct GenericFunction {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 10 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parser v2.1.9 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking circom v2.1.9 (/opt/rustwide/workdir/circom)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.25s
[INFO] running `Command { std: "docker" "inspect" "8bc8d77f1db60324d8df0083b98081d5e2d8e430ed6f254764f88af0e6c7fb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc8d77f1db60324d8df0083b98081d5e2d8e430ed6f254764f88af0e6c7fb5f", kill_on_drop: false }`
[INFO] [stdout] 8bc8d77f1db60324d8df0083b98081d5e2d8e430ed6f254764f88af0e6c7fb5f