[INFO] cloning repository https://github.com/m-hilgendorf/simple-eq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-hilgendorf/simple-eq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-hilgendorf%2Fsimple-eq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-hilgendorf%2Fsimple-eq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c51168cfba0b6867204e13f39a6c155e9496dc90
[INFO] checking m-hilgendorf/simple-eq against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-hilgendorf%2Fsimple-eq" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-hilgendorf/simple-eq 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/m-hilgendorf/simple-eq
[INFO] finished tweaking git repo https://github.com/m-hilgendorf/simple-eq
[INFO] tweaked toml for git repo https://github.com/m-hilgendorf/simple-eq written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/m-hilgendorf/simple-eq 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]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 22f4b5e31955d1c72036313dabe139ad61bbe9be09cd754a9e5f7cfdf3f03329
[INFO] running `Command { std: "docker" "start" "-a" "22f4b5e31955d1c72036313dabe139ad61bbe9be09cd754a9e5f7cfdf3f03329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f4b5e31955d1c72036313dabe139ad61bbe9be09cd754a9e5f7cfdf3f03329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f4b5e31955d1c72036313dabe139ad61bbe9be09cd754a9e5f7cfdf3f03329", kill_on_drop: false }`
[INFO] [stdout] 22f4b5e31955d1c72036313dabe139ad61bbe9be09cd754a9e5f7cfdf3f03329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dfcfbc257c27b25b35fb62b9e1f32ee74a2e3e4847a4f44d04b136170190cfa2
[INFO] running `Command { std: "docker" "start" "-a" "dfcfbc257c27b25b35fb62b9e1f32ee74a2e3e4847a4f44d04b136170190cfa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking clap_builder v4.5.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.11
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking simple-eq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/design.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/design.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.32s
[INFO] running `Command { std: "docker" "inspect" "dfcfbc257c27b25b35fb62b9e1f32ee74a2e3e4847a4f44d04b136170190cfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcfbc257c27b25b35fb62b9e1f32ee74a2e3e4847a4f44d04b136170190cfa2", kill_on_drop: false }`
[INFO] [stdout] dfcfbc257c27b25b35fb62b9e1f32ee74a2e3e4847a4f44d04b136170190cfa2