[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcao%2Fbabble" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcao/babble on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 cstr-enum-derive v0.1.0
[INFO] [stderr]   Downloaded cstr-enum v1.0.0
[INFO] [stderr]   Downloaded grb-macro v0.1.0
[INFO] [stderr]   Downloaded clap_derive v3.2.7
[INFO] [stderr]   Downloaded symbolic_expressions v5.0.3
[INFO] [stderr]   Downloaded once_cell v1.12.1
[INFO] [stderr]   Downloaded wide v0.7.9
[INFO] [stderr]   Downloaded clap v3.2.8
[INFO] [stderr]   Downloaded grb v1.3.0
[INFO] [stderr]   Downloaded nalgebra v0.32.2
[INFO] [stderr]   Downloaded grb-sys2 v0.1.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 835af0283d1a3bbb16c1ec5f920c4267a061675015107922a4b97d66e3a565e1
[INFO] running `Command { std: "docker" "start" "-a" "835af0283d1a3bbb16c1ec5f920c4267a061675015107922a4b97d66e3a565e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "835af0283d1a3bbb16c1ec5f920c4267a061675015107922a4b97d66e3a565e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835af0283d1a3bbb16c1ec5f920c4267a061675015107922a4b97d66e3a565e1", kill_on_drop: false }`
[INFO] [stdout] 835af0283d1a3bbb16c1ec5f920c4267a061675015107922a4b97d66e3a565e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c630742d151eaf4538c85a561320e82d3f0be1916d63775c514e130825f3f68
[INFO] running `Command { std: "docker" "start" "-a" "0c630742d151eaf4538c85a561320e82d3f0be1916d63775c514e130825f3f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-traits v0.2.15
[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]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling ref-cast v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[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 textwrap v0.15.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking unicode-ident v1.0.1
[INFO] [stderr]     Checking proc-macro2 v1.0.40
[INFO] [stderr]     Checking wide v0.7.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking quote v1.0.20
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking babble-macros v0.1.0 (/opt/rustwide/workdir/babble-macros)
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling nalgebra-macros v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking serde v1.0.138
[INFO] [stderr]     Checking nalgebra v0.32.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.82
[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: the item `nalgebra` is imported redundantly
[INFO] [stdout]  --> src/bin/smiley/eval.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nalgebra::{self, Matrix2, Rotation2, Vector2};
[INFO] [stdout]   |                ^^^^ the item `nalgebra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nalgebra` is imported redundantly
[INFO] [stdout]  --> src/bin/smiley/eval.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nalgebra::{self, Matrix2, Rotation2, Vector2};
[INFO] [stdout]   |                ^^^^ the item `nalgebra` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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] [stdout] warning: 1 warning emitted
[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 24.19s
[INFO] running `Command { std: "docker" "inspect" "0c630742d151eaf4538c85a561320e82d3f0be1916d63775c514e130825f3f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c630742d151eaf4538c85a561320e82d3f0be1916d63775c514e130825f3f68", kill_on_drop: false }`
[INFO] [stdout] 0c630742d151eaf4538c85a561320e82d3f0be1916d63775c514e130825f3f68