[INFO] cloning repository https://github.com/simpajj/project-euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simpajj/project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpajj%2Fproject-euler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpajj%2Fproject-euler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 30a123f3c0d3ecd6a7dca1f8680ab476ba4e1259 [INFO] testing simpajj/project-euler against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpajj%2Fproject-euler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/simpajj/project-euler on toolchain 1871252fc8bb672d40787e67404e6eaae7059369 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/simpajj/project-euler [INFO] finished tweaking git repo https://github.com/simpajj/project-euler [INFO] tweaked toml for git repo https://github.com/simpajj/project-euler written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/simpajj/project-euler 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e88e4a247dfd175536f3dd85905cdb09d29f64a8754af9b03d4aac7deb845907 [INFO] running `Command { std: "docker" "start" "-a" "e88e4a247dfd175536f3dd85905cdb09d29f64a8754af9b03d4aac7deb845907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e88e4a247dfd175536f3dd85905cdb09d29f64a8754af9b03d4aac7deb845907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88e4a247dfd175536f3dd85905cdb09d29f64a8754af9b03d4aac7deb845907", kill_on_drop: false }` [INFO] [stdout] e88e4a247dfd175536f3dd85905cdb09d29f64a8754af9b03d4aac7deb845907 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab38609557e10af9ade63498861b15ae731fcda171dd1b647d57c19b3225842d [INFO] running `Command { std: "docker" "start" "-a" "ab38609557e10af9ade63498861b15ae731fcda171dd1b647d57c19b3225842d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling num-complex v0.4.4 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num::integer::gcd` [INFO] [stdout] --> src/problems/problem3.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num::integer::gcd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/problems/problem3.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/problems/problem4.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | fn run(input: u64) -> u64 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "ab38609557e10af9ade63498861b15ae731fcda171dd1b647d57c19b3225842d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab38609557e10af9ade63498861b15ae731fcda171dd1b647d57c19b3225842d", kill_on_drop: false }` [INFO] [stdout] ab38609557e10af9ade63498861b15ae731fcda171dd1b647d57c19b3225842d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40d82bd4d91dc503ea18eef057ab1644f15df56bbcaffca11c86125e4d1259b9 [INFO] running `Command { std: "docker" "start" "-a" "40d82bd4d91dc503ea18eef057ab1644f15df56bbcaffca11c86125e4d1259b9", kill_on_drop: false }` [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num::integer::gcd` [INFO] [stdout] --> src/problems/problem3.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use num::integer::gcd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/problems/problem3.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/problems/problem4.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | fn run(input: u64) -> u64 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "40d82bd4d91dc503ea18eef057ab1644f15df56bbcaffca11c86125e4d1259b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40d82bd4d91dc503ea18eef057ab1644f15df56bbcaffca11c86125e4d1259b9", kill_on_drop: false }` [INFO] [stdout] 40d82bd4d91dc503ea18eef057ab1644f15df56bbcaffca11c86125e4d1259b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff05686be80bf77b39ba461f502516116475ee603958ae2c3fc076c329727e3d [INFO] running `Command { std: "docker" "start" "-a" "ff05686be80bf77b39ba461f502516116475ee603958ae2c3fc076c329727e3d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `num::integer::gcd` [INFO] [stderr] --> src/problems/problem3.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use num::integer::gcd; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/problems/problem3.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/problems/problem4.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | fn run(input: u64) -> u64 { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `euler` (bin "euler" test) generated 3 warnings (run `cargo fix --bin "euler" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/euler-a4f628f33faa5ee5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ff05686be80bf77b39ba461f502516116475ee603958ae2c3fc076c329727e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff05686be80bf77b39ba461f502516116475ee603958ae2c3fc076c329727e3d", kill_on_drop: false }` [INFO] [stdout] ff05686be80bf77b39ba461f502516116475ee603958ae2c3fc076c329727e3d [INFO] testing simpajj/project-euler against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpajj%2Fproject-euler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/simpajj/project-euler on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/simpajj/project-euler [INFO] finished tweaking git repo https://github.com/simpajj/project-euler [INFO] tweaked toml for git repo https://github.com/simpajj/project-euler written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/simpajj/project-euler 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95f3904d5367de805083073cba20c2ea972c9d890b1457fcd71f21f5390dc06e [INFO] running `Command { std: "docker" "start" "-a" "95f3904d5367de805083073cba20c2ea972c9d890b1457fcd71f21f5390dc06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95f3904d5367de805083073cba20c2ea972c9d890b1457fcd71f21f5390dc06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95f3904d5367de805083073cba20c2ea972c9d890b1457fcd71f21f5390dc06e", kill_on_drop: false }` [INFO] [stdout] 95f3904d5367de805083073cba20c2ea972c9d890b1457fcd71f21f5390dc06e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3ef4b3deed6d161570e37831ccff7a0c362ad0458bd426b273ef7024f3b3177 [INFO] running `Command { std: "docker" "start" "-a" "a3ef4b3deed6d161570e37831ccff7a0c362ad0458bd426b273ef7024f3b3177", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling num-complex v0.4.4 [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `num-bigint` (lib) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: failed to write /tmp/rustcKS1q2X/lib.rmeta: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `num-rational` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a3ef4b3deed6d161570e37831ccff7a0c362ad0458bd426b273ef7024f3b3177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ef4b3deed6d161570e37831ccff7a0c362ad0458bd426b273ef7024f3b3177", kill_on_drop: false }` [INFO] [stdout] a3ef4b3deed6d161570e37831ccff7a0c362ad0458bd426b273ef7024f3b3177