[INFO] cloning repository https://github.com/ivan-guerra/little_book_of_programming_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivan-guerra/little_book_of_programming_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-guerra%2Flittle_book_of_programming_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-guerra%2Flittle_book_of_programming_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c6fca3b13fd0d8d6cfcae4df1eb41978796236d
[INFO] checking ivan-guerra/little_book_of_programming_challenges against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-guerra%2Flittle_book_of_programming_challenges" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ivan-guerra/little_book_of_programming_challenges
[INFO] finished tweaking git repo https://github.com/ivan-guerra/little_book_of_programming_challenges
[INFO] tweaked toml for git repo https://github.com/ivan-guerra/little_book_of_programming_challenges written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ivan-guerra/little_book_of_programming_challenges on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ivan-guerra/little_book_of_programming_challenges 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-sieve v0.3.7
[INFO] [stderr]   Downloaded primal-bit v0.3.2
[INFO] [stderr]   Downloaded primal-estimate v0.3.3
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a04a7f73973cb9958b26f2bce1037d730c39bf179ae563ab9ae2698c545db8f6
[INFO] running `Command { std: "docker" "start" "-a" "a04a7f73973cb9958b26f2bce1037d730c39bf179ae563ab9ae2698c545db8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04a7f73973cb9958b26f2bce1037d730c39bf179ae563ab9ae2698c545db8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04a7f73973cb9958b26f2bce1037d730c39bf179ae563ab9ae2698c545db8f6", kill_on_drop: false }`
[INFO] [stdout] a04a7f73973cb9958b26f2bce1037d730c39bf179ae563ab9ae2698c545db8f6
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ab1be86da1e1fa5be0f8738bbc28bbe2f282aecc8a4bf94d8e3f228c41a3c5
[INFO] running `Command { std: "docker" "start" "-a" "e0ab1be86da1e1fa5be0f8738bbc28bbe2f282aecc8a4bf94d8e3f228c41a3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking primal-estimate v0.3.3
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking primal-bit v0.3.2
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking c15 v0.1.0 (/opt/rustwide/workdir/challenges/c15)
[INFO] [stderr]     Checking c02 v0.1.0 (/opt/rustwide/workdir/challenges/c02)
[INFO] [stderr]     Checking c19 v0.1.0 (/opt/rustwide/workdir/challenges/c19)
[INFO] [stderr]     Checking c11 v0.1.0 (/opt/rustwide/workdir/challenges/c11)
[INFO] [stderr]     Checking c20 v0.1.0 (/opt/rustwide/workdir/challenges/c20)
[INFO] [stderr]     Checking c24 v0.1.0 (/opt/rustwide/workdir/challenges/c24)
[INFO] [stderr]     Checking c04 v0.1.0 (/opt/rustwide/workdir/challenges/c04)
[INFO] [stderr]     Checking c03 v0.1.0 (/opt/rustwide/workdir/challenges/c03)
[INFO] [stderr]     Checking primal-sieve v0.3.7
[INFO] [stderr]     Checking c07 v0.1.0 (/opt/rustwide/workdir/challenges/c07)
[INFO] [stderr]     Checking c21 v0.1.0 (/opt/rustwide/workdir/challenges/c21)
[INFO] [stderr]     Checking c06 v0.1.0 (/opt/rustwide/workdir/challenges/c06)
[INFO] [stderr]     Checking c18 v0.1.0 (/opt/rustwide/workdir/challenges/c18)
[INFO] [stderr]     Checking c17 v0.1.0 (/opt/rustwide/workdir/challenges/c17)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking rtoolbox v0.0.2
[INFO] [stderr]     Checking rpassword v7.3.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking c27 v0.1.0 (/opt/rustwide/workdir/challenges/c27)
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking primal v0.3.3
[INFO] [stderr]     Checking c12 v0.1.0 (/opt/rustwide/workdir/challenges/c12)
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking c05 v0.1.0 (/opt/rustwide/workdir/challenges/c05)
[INFO] [stderr]     Checking c08 v0.1.0 (/opt/rustwide/workdir/challenges/c08)
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking c01 v0.1.0 (/opt/rustwide/workdir/challenges/c01)
[INFO] [stderr]     Checking c16 v0.1.0 (/opt/rustwide/workdir/challenges/c16)
[INFO] [stderr]     Checking c09 v0.1.0 (/opt/rustwide/workdir/challenges/c09)
[INFO] [stderr]     Checking c14 v0.1.0 (/opt/rustwide/workdir/challenges/c14)
[INFO] [stderr]     Checking c23 v0.1.0 (/opt/rustwide/workdir/challenges/c23)
[INFO] [stderr]     Checking c25 v0.1.0 (/opt/rustwide/workdir/challenges/c25)
[INFO] [stderr]     Checking c13 v0.1.0 (/opt/rustwide/workdir/challenges/c13)
[INFO] [stderr]     Checking c22 v0.1.0 (/opt/rustwide/workdir/challenges/c22)
[INFO] [stderr]     Checking c26 v0.1.0 (/opt/rustwide/workdir/challenges/c26)
[INFO] [stderr]     Checking c10 v0.1.0 (/opt/rustwide/workdir/challenges/c10)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "e0ab1be86da1e1fa5be0f8738bbc28bbe2f282aecc8a4bf94d8e3f228c41a3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ab1be86da1e1fa5be0f8738bbc28bbe2f282aecc8a4bf94d8e3f228c41a3c5", kill_on_drop: false }`
[INFO] [stdout] e0ab1be86da1e1fa5be0f8738bbc28bbe2f282aecc8a4bf94d8e3f228c41a3c5