[INFO] cloning repository https://github.com/xr1s/exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xr1s/exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxr1s%2Fexercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxr1s%2Fexercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cd0f397d27f7eb3ce37c098881b61a743f082c3
[INFO] checking xr1s/exercise against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxr1s%2Fexercise" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xr1s/exercise 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/xr1s/exercise
[INFO] finished tweaking git repo https://github.com/xr1s/exercise
[INFO] tweaked toml for git repo https://github.com/xr1s/exercise written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 71 packages
[INFO] [stderr]       Adding float_eq v0.6.1 (latest: v1.0.1)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded english-numbers v0.3.3
[INFO] [stderr]   Downloaded timeit v0.1.2
[INFO] [stderr]   Downloaded float_eq v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00594c6465641be59a3bc40c9dad08abe185a4327e9a3185f2126ac52a3c15b9
[INFO] running `Command { std: "docker" "start" "-a" "00594c6465641be59a3bc40c9dad08abe185a4327e9a3185f2126ac52a3c15b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00594c6465641be59a3bc40c9dad08abe185a4327e9a3185f2126ac52a3c15b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00594c6465641be59a3bc40c9dad08abe185a4327e9a3185f2126ac52a3c15b9", kill_on_drop: false }`
[INFO] [stdout] 00594c6465641be59a3bc40c9dad08abe185a4327e9a3185f2126ac52a3c15b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 36e3ed394343b1af7f863c5f2df3f288fa1e7c402ea7aa7922866d626aed5a57
[INFO] running `Command { std: "docker" "start" "-a" "36e3ed394343b1af7f863c5f2df3f288fa1e7c402ea7aa7922866d626aed5a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking english-numbers v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking float_eq v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ProjectEuler v0.1.0 (/opt/rustwide/workdir/Project Euler)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking Codewars v0.1.0 (/opt/rustwide/workdir/Codewars)
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|(s1, s2)| zip(s1, s2).filter(|&(c1, c2)| c1 == c2).count())
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use itertools::{iproduct, zip};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|(s1, s2)| zip(s1, s2).filter(|&(c1, c2)| c1 == c2).count())
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use itertools::{iproduct, zip};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `Command { std: "docker" "inspect" "36e3ed394343b1af7f863c5f2df3f288fa1e7c402ea7aa7922866d626aed5a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e3ed394343b1af7f863c5f2df3f288fa1e7c402ea7aa7922866d626aed5a57", kill_on_drop: false }`
[INFO] [stdout] 36e3ed394343b1af7f863c5f2df3f288fa1e7c402ea7aa7922866d626aed5a57
[INFO] checking xr1s/exercise against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxr1s%2Fexercise" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xr1s/exercise on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xr1s/exercise
[INFO] finished tweaking git repo https://github.com/xr1s/exercise
[INFO] tweaked toml for git repo https://github.com/xr1s/exercise written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c061c9694c9535d7e3e6e12e8687d2b5b9f78a5500478dd897d259d1964f8c4b
[INFO] running `Command { std: "docker" "start" "-a" "c061c9694c9535d7e3e6e12e8687d2b5b9f78a5500478dd897d259d1964f8c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c061c9694c9535d7e3e6e12e8687d2b5b9f78a5500478dd897d259d1964f8c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c061c9694c9535d7e3e6e12e8687d2b5b9f78a5500478dd897d259d1964f8c4b", kill_on_drop: false }`
[INFO] [stdout] c061c9694c9535d7e3e6e12e8687d2b5b9f78a5500478dd897d259d1964f8c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9faf6c0d5c90d02e51449d49730ca1ede6b04233206567f80a621b0ca949db72
[INFO] running `Command { std: "docker" "start" "-a" "9faf6c0d5c90d02e51449d49730ca1ede6b04233206567f80a621b0ca949db72", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking english-numbers v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking float_eq v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ProjectEuler v0.1.0 (/opt/rustwide/workdir/Project Euler)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking Codewars v0.1.0 (/opt/rustwide/workdir/Codewars)
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|(s1, s2)| zip(s1, s2).filter(|&(c1, c2)| c1 == c2).count())
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use itertools::{iproduct, zip};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|(s1, s2)| zip(s1, s2).filter(|&(c1, c2)| c1 == c2).count())
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `itertools::zip`: Use [std::iter::zip](https://doc.rust-lang.org/std/iter/fn.zip.html) instead
[INFO] [stdout]  --> Codewars/6 kyu/Positions Average/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use itertools::{iproduct, zip};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.19s
[INFO] running `Command { std: "docker" "inspect" "9faf6c0d5c90d02e51449d49730ca1ede6b04233206567f80a621b0ca949db72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9faf6c0d5c90d02e51449d49730ca1ede6b04233206567f80a621b0ca949db72", kill_on_drop: false }`
[INFO] [stdout] 9faf6c0d5c90d02e51449d49730ca1ede6b04233206567f80a621b0ca949db72