[INFO] cloning repository https://github.com/dcao/babble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcao/babble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcao%2Fbabble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcao%2Fbabble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 115f920db52f124fd7247d1f80e811f3784e6896
[INFO] checking dcao/babble against master#453ceafce32ef8108c604bca5e165ab41d3d6d8c for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcao%2Fbabble" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcao/babble on toolchain 453ceafce32ef8108c604bca5e165ab41d3d6d8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcao/babble
[INFO] finished tweaking git repo https://github.com/dcao/babble
[INFO] tweaked toml for git repo https://github.com/dcao/babble written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dcao/babble 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" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/dcao/egg`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.7
[INFO] [stderr]   Downloaded vectorize v0.2.0
[INFO] [stderr]   Downloaded once_cell v1.12.1
[INFO] [stderr]   Downloaded symbolic_expressions v5.0.3
[INFO] [stderr]   Downloaded wide v0.7.9
[INFO] [stderr]   Downloaded ref-cast v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c894a1b5fcf334d684cb31154907d68e28e3557b89cb8e44c942997c6f8187
[INFO] running `Command { std: "docker" "start" "-a" "f5c894a1b5fcf334d684cb31154907d68e28e3557b89cb8e44c942997c6f8187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c894a1b5fcf334d684cb31154907d68e28e3557b89cb8e44c942997c6f8187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c894a1b5fcf334d684cb31154907d68e28e3557b89cb8e44c942997c6f8187", kill_on_drop: false }`
[INFO] [stdout] f5c894a1b5fcf334d684cb31154907d68e28e3557b89cb8e44c942997c6f8187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] becfc0f9af118ec5c13f8e8c5799e192e4468429bdcd731c05cf33ec9db889a2
[INFO] running `Command { std: "docker" "start" "-a" "becfc0f9af118ec5c13f8e8c5799e192e4468429bdcd731c05cf33ec9db889a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking once_cell v1.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking wide v0.7.9
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling ref-cast v1.0.7
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking symbolic_expressions v5.0.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking unicode-ident v1.0.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling nalgebra-macros v0.2.0
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]    Compiling babble-macros v0.1.0 (/opt/rustwide/workdir/babble-macros)
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking nalgebra v0.32.2
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking clap v3.2.8
[INFO] [stderr]     Checking egg v0.7.1 (https://github.com/dcao/egg#caf623ca)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking babble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Iteration` is never constructed
[INFO] [stdout]   --> src/bin/benchmark/main.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Iteration {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iteration` is never constructed
[INFO] [stdout]   --> src/bin/benchmark/main.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Iteration {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.76s
[INFO] running `Command { std: "docker" "inspect" "becfc0f9af118ec5c13f8e8c5799e192e4468429bdcd731c05cf33ec9db889a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becfc0f9af118ec5c13f8e8c5799e192e4468429bdcd731c05cf33ec9db889a2", kill_on_drop: false }`
[INFO] [stdout] becfc0f9af118ec5c13f8e8c5799e192e4468429bdcd731c05cf33ec9db889a2