[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] 29f0f096c7234cc6c96a27597acfb9e2e85cc014
[INFO] checking ivan-guerra/little_book_of_programming_challenges against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[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-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivan-guerra/little_book_of_programming_challenges on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12053782b3199c1e01563cd545a82a90622dc46a12edcbc31e38a239cf1e120
[INFO] running `Command { std: "docker" "start" "-a" "b12053782b3199c1e01563cd545a82a90622dc46a12edcbc31e38a239cf1e120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12053782b3199c1e01563cd545a82a90622dc46a12edcbc31e38a239cf1e120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12053782b3199c1e01563cd545a82a90622dc46a12edcbc31e38a239cf1e120", kill_on_drop: false }`
[INFO] [stdout] b12053782b3199c1e01563cd545a82a90622dc46a12edcbc31e38a239cf1e120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4300fb5676e0238e51dafed1caf8034291a4d973413834435bec8e3e84d1ef
[INFO] running `Command { std: "docker" "start" "-a" "5e4300fb5676e0238e51dafed1caf8034291a4d973413834435bec8e3e84d1ef", 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]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking primal-estimate v0.3.3
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking primal-bit v0.3.2
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking c18 v0.1.0 (/opt/rustwide/workdir/challenges/c18)
[INFO] [stderr]     Checking c19 v0.1.0 (/opt/rustwide/workdir/challenges/c19)
[INFO] [stderr]     Checking c21 v0.1.0 (/opt/rustwide/workdir/challenges/c21)
[INFO] [stderr]     Checking c20 v0.1.0 (/opt/rustwide/workdir/challenges/c20)
[INFO] [stderr]     Checking c11 v0.1.0 (/opt/rustwide/workdir/challenges/c11)
[INFO] [stderr]     Checking c3 v0.1.0 (/opt/rustwide/workdir/challenges/c3)
[INFO] [stderr]     Checking c4 v0.1.0 (/opt/rustwide/workdir/challenges/c4)
[INFO] [stderr]     Checking c6 v0.1.0 (/opt/rustwide/workdir/challenges/c6)
[INFO] [stderr]     Checking c7 v0.1.0 (/opt/rustwide/workdir/challenges/c7)
[INFO] [stderr]     Checking c15 v0.1.0 (/opt/rustwide/workdir/challenges/c15)
[INFO] [stderr]     Checking c17 v0.1.0 (/opt/rustwide/workdir/challenges/c17)
[INFO] [stderr]     Checking c24 v0.1.0 (/opt/rustwide/workdir/challenges/c24)
[INFO] [stderr]     Checking c2 v0.1.0 (/opt/rustwide/workdir/challenges/c2)
[INFO] [stderr]     Checking primal-sieve v0.3.7
[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 num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking c27 v0.1.0 (/opt/rustwide/workdir/challenges/c27)
[INFO] [stderr]     Checking parking_lot v0.12.3
[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 rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking c5 v0.1.0 (/opt/rustwide/workdir/challenges/c5)
[INFO] [stderr]     Checking c8 v0.1.0 (/opt/rustwide/workdir/challenges/c8)
[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 c9 v0.1.0 (/opt/rustwide/workdir/challenges/c9)
[INFO] [stderr]     Checking c10 v0.1.0 (/opt/rustwide/workdir/challenges/c10)
[INFO] [stderr]     Checking c16 v0.1.0 (/opt/rustwide/workdir/challenges/c16)
[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 c26 v0.1.0 (/opt/rustwide/workdir/challenges/c26)
[INFO] [stderr]     Checking c14 v0.1.0 (/opt/rustwide/workdir/challenges/c14)
[INFO] [stderr]     Checking c1 v0.1.0 (/opt/rustwide/workdir/challenges/c1)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "5e4300fb5676e0238e51dafed1caf8034291a4d973413834435bec8e3e84d1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4300fb5676e0238e51dafed1caf8034291a4d973413834435bec8e3e84d1ef", kill_on_drop: false }`
[INFO] [stdout] 5e4300fb5676e0238e51dafed1caf8034291a4d973413834435bec8e3e84d1ef