[INFO] cloning repository https://github.com/sunspcts/ProjEulerRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunspcts/ProjEulerRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunspcts%2FProjEulerRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunspcts%2FProjEulerRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac43017150d77013ac3de17e361f7ad863dfa176
[INFO] checking sunspcts/ProjEulerRust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunspcts%2FProjEulerRust" "/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/sunspcts/ProjEulerRust on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunspcts/ProjEulerRust
[INFO] finished tweaking git repo https://github.com/sunspcts/ProjEulerRust
[INFO] tweaked toml for git repo https://github.com/sunspcts/ProjEulerRust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sunspcts/ProjEulerRust 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec261b5200b948da6ed3ff51ad7626a40e5d6bd43e284a51a7b1e71c7b93b17
[INFO] running `Command { std: "docker" "start" "-a" "8ec261b5200b948da6ed3ff51ad7626a40e5d6bd43e284a51a7b1e71c7b93b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec261b5200b948da6ed3ff51ad7626a40e5d6bd43e284a51a7b1e71c7b93b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec261b5200b948da6ed3ff51ad7626a40e5d6bd43e284a51a7b1e71c7b93b17", kill_on_drop: false }`
[INFO] [stdout] 8ec261b5200b948da6ed3ff51ad7626a40e5d6bd43e284a51a7b1e71c7b93b17
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9532e8fc66e9467636ba187e8aa72b48941477cbfb9a2f7dca9f7fd416ff29a3
[INFO] running `Command { std: "docker" "start" "-a" "9532e8fc66e9467636ba187e8aa72b48941477cbfb9a2f7dca9f7fd416ff29a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking proj_euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `to_digit_histogram` is never used
[INFO] [stdout]   --> src/bin/051.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn to_digit_histogram(n: u64) -> [u64; 10] {
[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: function `to_digit_histogram` is never used
[INFO] [stdout]   --> src/bin/051.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn to_digit_histogram(n: u64) -> [u64; 10] {
[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 8.96s
[INFO] running `Command { std: "docker" "inspect" "9532e8fc66e9467636ba187e8aa72b48941477cbfb9a2f7dca9f7fd416ff29a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9532e8fc66e9467636ba187e8aa72b48941477cbfb9a2f7dca9f7fd416ff29a3", kill_on_drop: false }`
[INFO] [stdout] 9532e8fc66e9467636ba187e8aa72b48941477cbfb9a2f7dca9f7fd416ff29a3
[INFO] checking sunspcts/ProjEulerRust against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunspcts%2FProjEulerRust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunspcts/ProjEulerRust on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunspcts/ProjEulerRust
[INFO] finished tweaking git repo https://github.com/sunspcts/ProjEulerRust
[INFO] tweaked toml for git repo https://github.com/sunspcts/ProjEulerRust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sunspcts/ProjEulerRust 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6000ac9d69f9e0b29dcae54b00d862b97956d646bb13ba6509b25669ac7da994
[INFO] running `Command { std: "docker" "start" "-a" "6000ac9d69f9e0b29dcae54b00d862b97956d646bb13ba6509b25669ac7da994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6000ac9d69f9e0b29dcae54b00d862b97956d646bb13ba6509b25669ac7da994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6000ac9d69f9e0b29dcae54b00d862b97956d646bb13ba6509b25669ac7da994", kill_on_drop: false }`
[INFO] [stdout] 6000ac9d69f9e0b29dcae54b00d862b97956d646bb13ba6509b25669ac7da994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b810f3d26d416fb0238f03fc884bcdb1f3f3d6ca2d8a33b9d87431f2df09e90
[INFO] running `Command { std: "docker" "start" "-a" "2b810f3d26d416fb0238f03fc884bcdb1f3f3d6ca2d8a33b9d87431f2df09e90", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking proj_euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `to_digit_histogram` is never used
[INFO] [stdout]   --> src/bin/051.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn to_digit_histogram(n: u64) -> [u64; 10] {
[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: function `to_digit_histogram` is never used
[INFO] [stdout]   --> src/bin/051.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn to_digit_histogram(n: u64) -> [u64; 10] {
[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 7.12s
[INFO] running `Command { std: "docker" "inspect" "2b810f3d26d416fb0238f03fc884bcdb1f3f3d6ca2d8a33b9d87431f2df09e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b810f3d26d416fb0238f03fc884bcdb1f3f3d6ca2d8a33b9d87431f2df09e90", kill_on_drop: false }`
[INFO] [stdout] 2b810f3d26d416fb0238f03fc884bcdb1f3f3d6ca2d8a33b9d87431f2df09e90