[INFO] cloning repository https://github.com/ljahier/calculator-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljahier/calculator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljahier%2Fcalculator-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljahier%2Fcalculator-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 214ba494418c64a593c8c349f2d8728d51230d15
[INFO] testing ljahier/calculator-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljahier%2Fcalculator-rs" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ljahier/calculator-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ljahier/calculator-rs
[INFO] finished tweaking git repo https://github.com/ljahier/calculator-rs
[INFO] tweaked toml for git repo https://github.com/ljahier/calculator-rs written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/ljahier/calculator-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1815c3dff4df92874a75a35b54c4abeb3577174a0ab743e02cf2d45a8d1c8679
[INFO] running `Command { std: "docker" "start" "-a" "1815c3dff4df92874a75a35b54c4abeb3577174a0ab743e02cf2d45a8d1c8679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1815c3dff4df92874a75a35b54c4abeb3577174a0ab743e02cf2d45a8d1c8679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1815c3dff4df92874a75a35b54c4abeb3577174a0ab743e02cf2d45a8d1c8679", kill_on_drop: false }`
[INFO] [stdout] 1815c3dff4df92874a75a35b54c4abeb3577174a0ab743e02cf2d45a8d1c8679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f02b96625964d9db41dc04e0e9d0630996be229ecd6d5801f95b52d7c027dbba
[INFO] running `Command { std: "docker" "start" "-a" "f02b96625964d9db41dc04e0e9d0630996be229ecd6d5801f95b52d7c027dbba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `divide`
[INFO] [stdout]  --> src/main.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::operations::{add, divide};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Divide`
[INFO] [stdout]  --> src/operations/divide.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Divide {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute`
[INFO] [stdout]  --> src/operations/divide.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn compute(&self) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cliArgs` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let cliArgs: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `cli_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/divide.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     nbrOne: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/divide.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     nbrTwo: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     nbrOne: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     nbrTwo: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stdout]   |                             ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "f02b96625964d9db41dc04e0e9d0630996be229ecd6d5801f95b52d7c027dbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02b96625964d9db41dc04e0e9d0630996be229ecd6d5801f95b52d7c027dbba", kill_on_drop: false }`
[INFO] [stdout] f02b96625964d9db41dc04e0e9d0630996be229ecd6d5801f95b52d7c027dbba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a96e15a6f9ccf639a8f57542a9de6058c987184583666e63e16451ad17845190
[INFO] running `Command { std: "docker" "start" "-a" "a96e15a6f9ccf639a8f57542a9de6058c987184583666e63e16451ad17845190", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `divide`
[INFO] [stdout]  --> src/main.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::operations::{add, divide};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Divide`
[INFO] [stdout]  --> src/operations/divide.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Divide {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute`
[INFO] [stdout]  --> src/operations/divide.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn compute(&self) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cliArgs` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let cliArgs: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `cli_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/divide.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     nbrOne: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/divide.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     nbrTwo: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     nbrOne: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     nbrTwo: i32,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nbrOne` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nbrTwo` should have a snake case name
[INFO] [stdout]  --> src/operations/add.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stdout]   |                             ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/calculator-7cf4847e84e3dbeb)
[INFO] running `Command { std: "docker" "inspect" "a96e15a6f9ccf639a8f57542a9de6058c987184583666e63e16451ad17845190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96e15a6f9ccf639a8f57542a9de6058c987184583666e63e16451ad17845190", kill_on_drop: false }`
[INFO] [stdout] a96e15a6f9ccf639a8f57542a9de6058c987184583666e63e16451ad17845190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d102ba2e0b7543f0bbbd32998e3392be34cdba6ba5a6dbcd7d49536317ed69a
[INFO] running `Command { std: "docker" "start" "-a" "5d102ba2e0b7543f0bbbd32998e3392be34cdba6ba5a6dbcd7d49536317ed69a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `divide`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::operations::{add, divide};
[INFO] [stderr]   |                              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Divide`
[INFO] [stderr]  --> src/operations/divide.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Divide {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compute`
[INFO] [stderr]  --> src/operations/divide.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn compute(&self) -> i32 {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cliArgs` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let cliArgs: Vec<String> = env::args().collect();
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to snake case: `cli_args`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nbrOne` should have a snake case name
[INFO] [stderr]  --> src/operations/divide.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     nbrOne: i32,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stderr]  --> src/operations/divide.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     nbrTwo: i32,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nbrOne` should have a snake case name
[INFO] [stderr]  --> src/operations/add.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     nbrOne: i32,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nbrTwo` should have a snake case name
[INFO] [stderr]  --> src/operations/add.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     nbrTwo: i32,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nbrOne` should have a snake case name
[INFO] [stderr]  --> src/operations/add.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stderr]   |                ^^^^^^ help: convert the identifier to snake case: `nbr_one`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nbrTwo` should have a snake case name
[INFO] [stderr]  --> src/operations/add.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nbrOne: i32, nbrTwo: i32) -> Add {
[INFO] [stderr]   |                             ^^^^^^ help: convert the identifier to snake case: `nbr_two`
[INFO] [stderr] 
[INFO] [stderr] warning: `calculator` (bin "calculator" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/calculator-7cf4847e84e3dbeb)
[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" "5d102ba2e0b7543f0bbbd32998e3392be34cdba6ba5a6dbcd7d49536317ed69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d102ba2e0b7543f0bbbd32998e3392be34cdba6ba5a6dbcd7d49536317ed69a", kill_on_drop: false }`
[INFO] [stdout] 5d102ba2e0b7543f0bbbd32998e3392be34cdba6ba5a6dbcd7d49536317ed69a